IMPURITY
Reference Standard Products Select Product*
Acyclovir
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STACR01 | Acyclovir-d4 2-Amino-9-[(1,1,2,2-tetradeuterio-2-hydroxyethoxy)methyl]-3H-purin-6-one | 59277-89-3(unlabeled) | 229.23 C8H7D4N5O3 |
 |
| STACR02 | Acyclovir Impurity J | N/F | 388.35 C14H16N10O4 |
 |
| STACR03 | Acyclovir Impurity K | N/F | 462.43 C17H22N10O6 |
 |
| STACR04 | Acyclovir Impurity M | N/F | 309.28 C12H15N5O5 |
 |
| STACR05 | Acyclovir Impurity P | N/F | 195.18 C7H9N5O2 |
 |
| STACR06 | Acyclovir Impurity D 2-[(2-amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy]ethyl benzoate |
59277-91-7 | 329.32 C15H15N5O4 |
 |
| STACR07 | Acyclovir Impurity E 6-amino-9-[(2-hydroxyethoxy)methyl]-1,9-dihydro-2Hpurin-2-one |
N/F | 225.21 C8H11N5O3 |
 |
| STACR08 | Acyclovir Impurity H 2-[[2-(acetylamino)-6-oxo-1,6-dihydro-9Hpurin-9-yl]methoxy]ethyl benzoate |
133186-23-9 | 371.36 C17H17N5O5 |
 |
| STACR09 | Acyclovir impurity G 2-[[2-(acetylamino)-6-oxo-1,6-dihydro-9Hpurin-9-yl]methoxy]ethyl acetate |
75128-73-3 | 309.28 C12H15N5O5 |
 |
| STACR10 | Acyclovir Impurity A 2-[(2-amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy]ethyl acetate |
N/F | 267.25 C10H13N5O4 |
 |
| STACR11 | Acyclovir Impurity B 2-amino-1,7-dihydro-6H-purin-6-one (guanine) |
73-40-5 | 151.13 C5H5N5O |
 |
| STACR12 | Acyclovir Impurity C 2-amino-7-[(2-hydroxyethoxy)- methyl]-1,7-dihydro-6H-purin-6-one |
N/F | 225.21 C8H11N5O3 |
 |
| STACR13 | Acyclovir Impurity L | N/F | 235.20 C9H9N5O3 |
 |
| STACR14 | Acyclovir Impurity F N-[9-[(2-hydroxyethoxy)methyl]-6-oxo-6,9-dihydro- 1H-purin-2-yl]acetamide |
N/F | 267.25 C10H13N5O4 |
 |
| STACR15 | Acyclovir Impurity I | 166762-90-9 | 388.35 C14H16N10O4 |
 |
Amitriptyline HCl
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STAME01 | Amitriptyline-d6 HCl | 203645-63-0 | 283.45 36.46 C20H23N • HCl C20H17D6N.HCl |
|
Anastrozole
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STANE01 | Anastrozole | 120511-73-1 | 293.37 C17H19N5 |
 |
| STANE02 | Anastrozole Impurity B | N/F | 279.35 C16H17N5 |
 |
| STANE03 | Anastrozole Impurity C (Dimer Impurity) | 1216898-82-6 | 517.64 C30H31N9 |
 |
| STANE04 | Anastrozole Impurity D | 120511-84-4 | 305.22 C15H17BrN2 |
 |
| STANE05 | Anastrozole Impurity E | 1027160-12-8 | 384.12 C15H16Br2N2 |
 |
| STANE06 | Anastrozole Impurity (3-Cyanomethyl-5-methyl-phenylacetonitrile) | 120511-74-2 | 170.22 C11H10N2 |
 |
| STANE07 | Anastrozole Impurity A | 120511-72-0 | 226.32 C26H29N3 |
 |
| STANE08 | Anastrozole-d12 | 120511-73-1 (non-d) | 305.45 C17H7N5D12 |
 |
| STANE09 | Anastrozole N-glucuronide |
N/F | 469.50 C23H27N5O6 |
 |
| STANE10 | Anastrozole Impurity (alfa1 , alfa1, alfa3, alfa3-Tetramethyl-5-(1H-1,2,4-triazol-1-ylmethyl)-1,3-Benzenediacetic acid) | 1338800-81-9 | 331.37 C17H21N3O4 |
 |
| STANE11 | Anastrozole Impurity (alfa1 , alfa1, alfa3, alfa3-Tetramethyl-5-(1H-1,2,4-triazol-1-ylmethyl)-1,3-Benzenediacetamide) | 120512-04-1 | 329.41 C17H23N5O2 |
 |
| STANE12 | Anastrozole Impurity (3-(1-Cyano-1-methylethyl)-alfa,alfa-dimethyl-5-(1H-,1,2,4-triazole-1-ylmethyl)-benzeneacetamide) | 120512-03-0 | 311.39 C17H21N5O |
 |
| STANE13 | Anastrozole Impurity (2-(3-((1H-1,2,4-triazol-1-yl)methyl)-5-(1-NH2-2-Me-1-oxopropan-2-yl)phenyl)-2-methylpropanoic acid | N/F | 330.39 C17H22N4O3 |
 |
| STANE14 | Anastrozole Impurity (3-(1-Cyano-1-methylethyl)-alfa,alfa-dimethyl-5-(1H-,1,2,4-triazole-1-ylmethyl)-benzeneacetic acid) | 1338800-82-0 | 312.37 C17H20N4O2 |
 |
| STANE15 | Anastrozole Impurity A | 918312-71-7 | 383.54 C26H29N3 |
 |
Asenapine Maleate
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STASE01 | Asenapine Maleate | 65576-45-6 | 285.78 116.07 C17H16ClNO.C4H4O4 |
 |
| STASE02 | Asenapine-13C-d3 | 65576-45-6 (non-d) | 289.78 C17H13ClNOD3 |
 |
| STASE03 | Asenapine-N-glucuronide | N/F | 462.91 C23H25ClNO7 |
 |
| STASE04 | Asenapine-N-oxide | N/F | 301.78 C17H16ClNO2 |
 |
| STASE05 | N-Desmethyl AsenapineHCl |
128915-56-0 | 271.75 36.46 C16H14ClNO.HCl |
 |
| STASE06 | N-Desmethyl Asenapine-d4 |
128915-56-0 (non-d) | 289.80 C17H12ClNOD4 |
 |
| STASE07 | N-DesmethylAsenapine glucuronide |
N/F | 447.88 C22H22ClNO7 |
 |
| STASE08 | Asenapine-N-glucuronide-13C-d3 | N/F | 465.93 C23H22ClNO7D3 |
 |
| STASE09 | Asenapine O-sulfate | 1399103-21-9 | 381.84 C17H16ClNO5S |
 |
Atazanavir Sulfate
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STATE01 | Atazanavir Sulfate | N/F | 704.87 98.08 C38H52N6O7. H2O4S C20H17D6N.HCl |
 |
Atovaouone
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STATE01 | Atovaquone-d4 | 95233-18-4(non-d) | 370.87 C22H15ClO3D4 |
 |
| STATE01 | DeschloroAtovaquone | N/F | 332.40 C22H20O3 |
 |
| STATE02 | 1-[4-(4-Chlorophenyl)cyclohexyl]-Ethanone | 95233-36-6 | 236.74 C14H17ClO |
 |
| STATE03 | Atovaquone Indene Isomer | N/F | 366.85 C22H19ClO3 |
 |
| STATE04 | DidehydroAtovaquone | N/F | 364.83 C22H17ClO3 |
 |
| STATE05 | O-methyl atovaquone | N/F | 380.88 C23H21ClO3 |
 |
| STATE06 | Atovaquone EP Impurity B (Atovaquone Related Compound A) |
137732-39-9 | 366.85 C22H19ClO3 |
 |
BG
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STVAN01 | Vancomycin EP Impurity A (N-Demethyl Vancomycin B) |
N/F | 1435.26 C65H73Cl2N9O24 |
 |
| STVAN02 | Vancomycin EPImpurity B ([ß Asp3]vancomycin B ; Vancomycin B Diacid) | N/F | 1450.27 C66H74Cl2N8O25 |
 |
| STVAN03 | Vancomycin EPImpurity C (AglucoVancomycin B ; Vancomycin B Aglycone) | N/F | 1143.95 C53H52Cl2N8 O17 |
 |
| STVAN04 | Vancomycin EP Impurity D (Desvancosaminylvancomycin B) | N/F | 1306.10 C59H62Cl2N8 O22 |
 |
| STVAN05 | Monodeschloro-Vancomycin | N/F | C66H76ClN9O241414.84 |  |
Bromfenac Sodium
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STBRM01 | Bromfenac | 91714-94-2 | 334.17 C15H12BrNO3 |
 |
| STBRM02 | Bromfenac Impurity (2-Amino-3-Benzoyl-alfa-Oxobenzeneacetic Acid) |
126849-37-4 | 269.26 C15H11NO4 |
 |
| STBRM03 | Bromfenac-d4 | N/F | 338.20 C15H8BrNO3D4 |
 |
| STBRM04 | BromfenacGlucuronide | N/F | 510.30 C21H20BrNO9 |
 |
| STBRM05 | BromfenacGlucoside | N/F | 510.30 C21H20BrNO9 |
 |
| STBRM06 | Bromfenac Lactam | 91713-91-6 | 316.16 C15H10BrNO2 |
 |
| STBRM07 | Dichlofenac Lactam | 15362-40-0 | 278.14 C14H9Cl2NO |
 |
| STBRM08 | 7-(4-Bromobenzoyl) indoline-2,3-dione |
N/F | 330.14 C15H8BrNO3 |
 |
| STBRM09 | 2-Amino-3-(4-bromobenzoyl)benzoic acid | 241496-82-2 | 320.14 C14H10BrNO3 |
 |
| STBRM10 | 2-Amino-3-(4-bromobenzoyl)phenyloxoacetic acid | N/F | 348.16 C15H10BrNO4 |
 |
Budesonide
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STBUE01 | Budesonide-d8 | 51333-22-3 (non-d) | 438.59 C25H27D8O6 |
 |
| STBUE02 | Budesonide-14,15-dehydro |
N/F | 428.53 C25H32O6 |
 |
| STBUE03 | D-Homo Budesonide (Mixture of Diastereomers) |
1040085-98-0 | 402.49 C23H30O6 |
 |
| STBUE04 | Budesonide Impurity G (1, 2-Dihydro Budesonide) | 137174-25-5 | 432.56 C25H36O6 |
 |
| STBUE05 | 6-Beta-Hydroxy-Budesonide-d7 | N/F | 453.59 C25H27O7D7 |  |
| STBUE06 | Budesonide Sulfate Sodium (Mixture of Diastereomers) |
N/F | 509.60 C25H33O9S. Na |
 |
| STBUE07 | 23-Hydroxy Budesonide | N/F | 446.55 C25H34O7 |
 |
| STBUE08 | 24-Hydroxy Budesonide | N/F | 446.55 C25H34O7 |
 |
| STBUE09 | 6-Beta-Hydroxy Budesonide Sulfate | N/F | 526.61 C25H34O10S |
 |
| STBUE10 | (Desonide-21-Acetate) 21-Acetoxy-11b-Hydroxy-16-alpha, 17-alpha-Isopropylidinedioxy-pregna-1,4-Diene-3, 20-Dione | 25092-25-5 | 458.56 C26H34O7 |
 |
| STBUE11 | Budesonide-22S | 51372-28-2 | 430.55 C25H34O6 |
 |
| STBUE012 | Budesonide Impurity A (16-alpha-Hydroxy-Prednisolone) | 13951-70-7 | 378.45 C21H28O6 |
 |
| STBUE13 | 6-alpha-Methyl Prednisolone-d3 | N/F | 377.50 C22H27O5D3 |
 |
| STBUE14 | Budesonide Impurity C | 1040085-99-1 | 430.55 C25H34O6 |
 |
| STBUE015 | Budesonide Impurity (1, 4-Androstadien-11-beta-16-alfa-diol-3, 17-dione) | 910299-74-0 | 316.40 C19H24O4 |
 |
| STBUE16 | 17-Carboxy Budesonide | N/F | 416.52 C24H32O6 |
 |
| STBUE17 | Androstandionic Impurity(11-Hydroxy, 16n-butanoyloxyandrostan-1,4-diene-3,17dione) | N/F | 386.49 C23H30O5 |
 |
| STBUE18 | Budesonide-22R | 51372-29-3 | 430.55 C25H34O6 |
 |
| STBUE19 | Budesonide | N/F | 430.55 C25H34O6 |
 |
| STBUE20 | Budesonide Impurity D | 85234-63-5 | 428.53 C25H32O6 |
 |
| STBUE21 | 6-Alpha-Hydroxy Budesonide | 577777-51-6 | 446.55 C25H34NO7 |
 |
| STBUE22 | 6-Beta-Hydroxy Budesonide | 88411-77-2 | 446.55 C25H34NO7 |
 |
| STBUE23 | Budesonide Impurity K | 51333-05-2 | 472.58 C27H36O7 |
 |
| STBUE24 | Budesonide Impurity L (11-Keto Budesonide, Mixture of Diastereomers) | 216453-74-6 | 428.53 C25H32O6 |
 |
Buspirone HCl
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STBUE01 | 6-Hydroxy Buspirone | 125481-61-0 | 401.51 C21H31N5O3 |
 |
| STBUE02 | Buspirone-d8 Hydrochloride | 204395-49-3 | 393.56 36.46 C21H23N5O3D8.HCl |
 |
| STBUE03 | Buspirone Metabolite (1-(2-Pyrimidyl)-Piperazine) | N/F | 164.21 C8H12N4 |
 |
| STBUE04 | 5-Hydroxy BuspironeHCl | N/F | 401.51 C21H31N5O3.HCl |
 |
| STBUE05 | Buspirone N-Oxide | 220747-81-9 | 401.51 C21H31N5O3 |
 |
| STBUE06 | Buspirone Impurity K | N/F | 167.21 C9H13NO2 |
 |
| STBUE07 | Buspirone Hydrochloride | 33386-08-2 | 385.51 36.46 C21H31N5O2.HCl |
 |
| STBUE08 | 6-Hydroxy Buspirone-d8 | N/F | 409.56 C21H23N5O3D8 |
 |
Ceftazidime
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STCLE01 | Ceftazidime Impurity A | 1000980-60-8 | 546.58 C22H22N6O7S2 |
 |
| STCLE02 | Ceftazidime Impurity B | N/F | 546.58 C22H22N6O7S2 |
 |
| STCLE03 | Ceftazidime Impurity C | N/F | 291.33 C13H13N3O3S |
 |
| STCLE04 | Ceftazidime Impurity E | N/F | 602.69 C26H30N6O7S2 |
 |
| STCLE05 | Ceftazidime Impurity G | N/F | 314.32 C11H14N4O5S |
 |
| STCLE06 | Ceftazidime Impurity H | N/F | 560.61 C23H24N6O7S2 |
 |
Clonidine
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STCLE01 | Clonidine-d4 HCl | 67151-02-4(non-d) | 34.12 36.46 C9H5Cl2N3D4.HCl |
 |
| STCLE02 | 4-Hydroxy Clonidine | 57101-48-1 | 246.10 C9H9Cl2N3O |
 |
Dapagliflozin
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STDAN01 | Dapagliflozin-d5 | N/F | 413.91 C21H20ClO6D5 |
 |
| STDAN02 | Dapagliflozin-d7 | N/F | 415.93 C21H18ClO6D7 |
 |
| STDAN03 | Dapagliflozin | N/F | 408.88 C21H25ClO6 |
 |
| STDAN04 | Dapagliflozinalfa-Isomer | N/F | 408.88 C21H25ClO6 |
 |
| STDAN05 | Dapagliflozin Impurity 1 | N/F | 339.62 C15H12BrClO2 |
 |
| STDAN06 | Dapagliflozin Impurity 2 | N/F | 325.64 C15H14BrClO |
 |
| STDAN07 | Dapagliflozin Impurity 3 | N/F | 453.33 C21H25BrO6 |
 |
| STDAN08 | Dapagliflozin Impurity 4 | N/F | 408.88 C21H25ClO6 |
 |
Disulfiram
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STDIM01 | Disulfiram | 97-77-8 | 296.54 C10H20N2S4 |
 |
| STDIM02 | Disulfiram-d20 | 97-77-8 (non-d) | 316.65 C10N2S4D20 |
 |
| STDIM03 | S-Methyl N, N-Diethyldithiocarbamate | 686-07-7 | 163.31 C6H13NS2 |
 |
| STDIM04 | S-Methyl N, N-Diethyldithiocarbamate-d10 | 686-07-7 (non-d) | 173.42 C6H3NS2D10 |
 |
| STDIM05 | Diethyldithiocarbamate | N/F | 171.26 3 18.02 C5H10NNaS2. 3 H2O |
 |
Dobutamine HCl
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STDOE01 | Dobutamine Impurity B | N/F | 164.21 C10H12O2 |
 |
| STDOE02 | Dobutamine Impurity C HCl | 51062-14-7 | 343.47 36.46 C21H29NO3. HCl |
 |
| STDOE03 | rac-Dobutamine-d4 HCl | N/F | 305.41 36.46 C18H19NO3D4 HCl |
 |
| STDOE04 | rac-Dobutamine-d6 HCl | N/F | 307.43 36.46 C18H17NO3D6 HCl |
 |
Donepezil HCl
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STDOL01 | Donepezil-d4 HCl | 120014-06-4(non-d) | 383.53 36.46 C24H25NO3D4.HCl |
 |
| STDOL02 | 6-O-Desmethyl Donepezil Glucuronide (Mixture of Diastereomers) |
220170-73-0 | 541.60 C29H35NO9 |
 |
| STDOL03 | Donepezil Pyridine Analog Impurity | 4803-57-0 | 283.33 C17H17NO3 |
 |
| STDOL04 | Donepezil Benzyl Bromide Impurity | 844694-85-5 | 470.64 79.90 C31H36NO3. Br |
 |
| STDOL05 | DonepezilDehydrodeoxy Impurity | 130927-68-3 | 363.50 36.47 C24H29NO2.HCl |
 |
| STDOL06 | Donepezil Deoxy Impurity | 1034439-57-0 | 365.52 36.47 C24H31NO2.HCl |
 |
| STDOL07 | Donepezil Impurity-VI | 120012-04-6 | 381.52 C24H31NO3 |
 |
| STDOL08 | Donepezil open ring impurity | N/F | 411.50 C24H29NO5 |
 |
| STDOL09 | Donepezil N-Oxide | N/F | 395.50 C24H29NO4 |
 |
| STDOL10 | 4-Methyl-2-n-propyl-1H-benzimidazole-6-carboxylic Acid | 152628-03-0 | 218.26 C12H14N2O2 |
 |
| STDOL11 | Donepezil | 120014-06-4 | 379.50 C24H29NO3 |
 |
| STDOL12 | Hydroxy Donepezil | N/F | 395.50 C24H29NO4 |
 |
| STDOL13 | Donepezil related compound (E/Z mixture) | 120014-07-5 | 377.49 C24H27NO3 |
 |
| STDOL14 | Donepezil related compound A | 145546-80-1 | 377.49 C24H27NO3 |
 |
| STDOL15 | Donepezil-d5 | N/F | 384.53 C24H24NO3D5 |
 |
| STDOL16 | 5-O-Desmethyl Donepezil | 120013-57-2 | 365.48 C23H27NO3 |
 |
| STDOL17 | 5-O-Desmethyl Donepezil-d5 | 120013-57-2(non-d) | 370.56 C23H22NO3D5 |
 |
| STDOL18 | 6-O-Desmethyl Donepezil | 120013-56-1 | 365.48 C23H27NO3 |
 |
| STDOL19 | 6-O-Desmethyl Donepezil-d5 | 120013-56-1(non-d) | 370.56 C23H22NO3D5 |
 |
| STDOL20 | Donepezil Desbenzyl Impurity | 120013-39-0 | 289.38 C17H23NO3.HCl |
 |
| STDOL21 | 5,6-Dimethoxy-1-Indanone (Donepezil Impurity) | N/F | 192.22 C11H12O3 |
 |
Doxazosin Mesylate
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STDOE01 | Doxazosin-d8 HCl | 74191-85-8 (non-d) | 459.53 36.46 C23H17N5O5D8.HCl |
 |
| STDOE02 | R-Doxazosin | 70918-17-1 | 451.49 C23H25N5O5 |
 |
| STDOE03 | S-Doxazosin | 104874-86-4 | 451.49 C23H25N5O5 |
 |
| STDOE04 | Doxazosin-d8 | N/F | 459.53 C23H17N5O5D8 |
 |
| STDOE05 | DoxazosinMesylate Impurity G | N/F | 289.34 C14H19N5O2 |
 |
| STDOE06 | Doxazosin impurity 1 | N/F | 331.38 C16H21N5O3 |
 |
Doxorubicin HCl
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STDON01 | Doxorubicin HCl | 25316-40-9 | 543.53 36.46 C27H29NO11-HCl |
 |
| STDON02 | Desmethyl doxorubicin (14-Hydroxycarminomycin) | 69401-50-9 | 529.51 C26H27NO11 |
 |
| STDON03 | Doxorubicin impurity C | N/F | 606.43 C27H28BrNO10 |
 |
| STDON04 | Doxorubicin Impurity 3 | N/F | 364.31 C20H12O7 |
 |
| STDON05 | Doxorubicin Impurity 4 | N/F | 511.49 C26H25NO10 |
 |
| STDON06 | Doxorubicin Dimer Impurity 1 | N/F | 1069.05 C54H56N2O21 |
 |
| STDON07 | Doxorubicin Dimer Impurity 2 | N/F | 858.86 C44H46N2O16 |
 |
| STDON08 | Doxorubicin-13C-d3 | 23214-92-8 (non-d) | 547.56 C27H26NO11D3 |
 |
| STDON09 | Doxorubicinol (mixture of diasteromers) | 63950-05-0 | 545.55 C27H31NO11 |
 |
| STDON10 | Doxorubicinol-13C-d3 (mixture of diasteromers) | 63950-05-0 (non-d) | 549.58 C27H28NO11D3 |
 |
| STDON11 | Epi-doxorubicin | 56420-45-2 | 545.55 C27H31NO11 |
 |
| STDON12 | Doxorubicinone | 24385-10-2 | 414.37 C21H18O9 |
 |
| STDON13 | Doxorubicin Impurity 1 | N/F | 352.30 C19H12O7 |
 |
| STDON14 | Doxorubicin Impurity 2 | 64845-67-6 | 336.30 C19H12O6 |
 |
| STDON15 | Doxorubicin Impurity B | 106401-68-7 | 652.50 C29H34BrNO11 |
 |
Duloxetine HCl
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STDUE01 | Duloxetine-d3 HCl | 116539-59-4(non-d) | 300.44 36.46 C18H16NOSD3.HCl |
 |
| STDUE02 | Duloxetine Impurity B | N/F | 171.26 C8H13NOS |
 |
| STDUE03 | Duloxetine Related Compound H | 199191-66-7 | 397.50 C22H23NO4S |  |
| STDUE04 | Duloxetine-d7 Maleate | N/F | 304.46 116.07 C18H12NOSD. C4H4O4 |
 |
| STDUE05 | 4-Hydroxy Duloxetine-d6 | N/F | 319.46 C18H12NOSD7 . C4H4O4 |
 |
| STDUE06 | (S)-Duloxetine Phtalamide | 199191-67-8 | 445.54 C26H23NO4S |
 |
| STDUE07 | Duloxetine impurity (N-formyl) |
N/F | 325.43 C19H19NO2S |
 |
| STDUE08 | Duloxetine impurity (N-acetyl) |
N/F | 339.46 C20H21NO2S |
 |
| STDUE09 | Duloxetine impurity (alpha-hydroxy) | 940291-11-2 | 297.42 C18H19NOS |
 |
| STDUE10 | 5-Hydroxy-6-Methoxy Duloxetine Sulfate-D3 | N/F | 426.53 C19H18NO6S2D3 |
 |
| STDUE11 | 4-Hydroxy Duloxetine-d6 beta-D-Glucuronide | N/F | 495.58 C24H21NO8SD6 |
 |
Erlotinib HCl
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STERB01 | ErlotinibHCl | 183319-69-9 | 393.45 36.46 C22H23N3O4.HCl |
 |
| STERB02 | Erlotinib O-Desmethyl Metabolite Isomer (M14) HCl | 183320-51-6 | 379.42 36.46 C21H21N3O4. HCl |
 |
| STERB03 | Erlotinib impurity, 6,7-bis(2-chloroethoxy) | 183321-82-6 | 402.28 C20H17Cl2N3O2 |
 |
| STERB04 | Erlotinib impurity, 6-(2-methoxyethoxy)-7-(2-chloroethoxy) | 183321-83-7 | 397.86 C21H20ClN3O3 |
 |
| STERB05 | Erlotinib impurity, 6-(2-chloroethoxy)-7-(2-methoxyethoxy) | 183321-85-9 | 397.86 C21H20ClN3O3 |
 |
| STERB06 | Erlotinib impurity 1 | N/F | 429.91. C22H24ClN3O4 |  |
| STERB07 | Erlotinib impurity 2 | N/F | 317.17 C13H14Cl2N2O3 |
 |
| STERB08 | Erlotinib impurity 3 | N/F | 347.20 C14H16Cl2N2O4 |
 |
| STERB09 | Erlotinib impurity 4 |
N/F | 413.43 C21H23N3O6 |
 |
| STERB10 | Erlotinib Impurity (3-Ethynylailine) |
54060-30-9 | 117.15 C8H7N |
 |
| STERB11 | Erlotinib-d6 HCl | N/F | 399.48 C22H17N3O4D6.HCl |
 |
| STERB12 | Erlotinib metabolite M11 | 882172-60-3 | 393.40 C21H19N3O5 |
 |
| STERB13 | DesmethylErlotinib Carboxylate Acid | 1170354-84-3 | 393.40 C21H19N3O5 |
 |
| STERB14 | DesmethylErlotinib | N/F | 379.42 C21H21N3O4 |
 |
| STERB15 | ErlotinibHydroxy Metabolite | N/F | 409.45 C22H23N3O5 |
 |
| STERB16 | Erlotinib Carboxylic Acid | N/F | 427.46 C22H25N3O6 |
 |
| STERB17 | Erlotinib O-Desmethyl Metabolite Isomer (M13) | N/F | 379.42 C21H21N3O4 |
 |
| STERB18 | DidesmethylErlotinib | 183320-12-9 | 381.44 C21H21N3O4 |
 |
Fluoxetine HCl
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STFLE01 | Fluoxetine HCl | 59333-67-4 | 345.79 C17H18H3NO.HCl |
 |
| STFLE02 | Fluoxetine-d5 HCl | 59333-67-4 | 314.36 36.46 C17H13F3N0D5.HCl |
 |
| STFLE03 | NorfluoxetineHCl | N/F | 331.77 C16H16F3NO.HCl |
 |
| STFLE04 | Norfluoxetine-d5 HCl | N/F | 336.80 C16H11D5F3NO.HCl |
 |
| STFLE05 | Fluoxetine Impurity A | N/F | 165.24 C10H15NO |
 |
| STFLE06 | Fluoxetine Impurity B | N/F | 149.24 C10H15N |
 |
| STFLE07 | Fluoxetine Impurity C (Fluoxetine USP Related Compound A) | N/F | 309.33 C17H18F3NO |
 |
| STFLE08 | Fluoxetine USP Related Compound C | N/F | 409.41 C21H22F3NO4 |
 |
Glycopyrrolate
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STGLE01 | Glycopyrrolate Impurity I | N/F | 352.88 79.90 C19H27ClNO3. Br |
 |
| STGLE02 | Glycopyrrolate Impurity L | N/F | 234.30 C14H18O3 |
 |
| STGLE03 | Glycopyrrolate Impurity (DehydroGlycopyrrole) | N/F | 316.79 79.90 C19H26NO3 Br |
 |
| STGLE04 | Glycopyrrolate Impurity (1,1-Dimethyl-3-Hydroxy-pyrrolidinium Bromide) | 51052-74-5 | 116.18 79.90 C6H14NO. Br |
 |
| STGLE05 | Glycopyrrolate | 596-51-0 | 318.44 79.90 C19H28NO3. Br |
 |
| STGLE06 | Glycopyrrolate Impurity 1 | N/F | 254.72 C13H15ClO3 |
 |
Ibandronate Sodium
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STIBM 01 | Ibandronate Sodium | 138926-19-9 | 359.23 C9H22NO7P2.Na.H2O |
 |
Indapamide
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STINE01 | Indapamide | 26807-65-8 | 365.83 C16H16ClN3O3S |
 |
Ipratropium Bromide
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STIPE 01 | Ipratropium-d3 Bromide | 22254-24-6 | 335.51 79.90 C20H27NO3D3. Br |
 |
| STIPE 02 | Ipratropium Bromide Impurity E | N/F | 317.43 C19H27NO3 |
 |
| STIPE 03 | 3-Hydroxy Ipratropium Bromide | N/F | 348.47 79.90 C20H30NO4 . Br |
 |
| STIPE 04 | 2-Hydroxy Ipratropium Bromide | N/F | 348.47 79.90 C20H30NO4 . Br |
 |
| STIPE 05 | Ipratropium Bromide Impurity F (Mixture of Diastereomers) | 17812-46-3 | 314.45 C20H28NO2.Br |
 |
| STIPE 06 | Ipratropium Impurity A | 58005-18-8 | 184.30 79.90 C11H22NO Br |
 |
| STIPE 07 | Ipratropium Impurity B | 58073-59-9 | 332.47 79.90 C20H30NO3 B |
 |
| STIPE 08 | 4-Hydroxy Ipratropium Bromide | N/F | 348.47 79.90 C20H30NO4 Br |
 |
Irinotecan HCl
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STIRN01 | Irinotecan-d10 hydrochloride trihydrate | 136572-09-3 | 596.75 36.46 3 18.02 C33H28N4O6D10.HCl.3 H2O |
 |
| STIRN02 | Irinotecan | N/F | 586.69 C33H38N4O6 |
 |
| STIRN03 | Irinotecan Hydroxyl Acid | N/F | 604.71 C33H40N4O7 |
 |
| STIRN04 | SN-38 Hydroxy Acid | N/F | 410.43 C22H22N2O6 |
 |
| STIRN05 | SN-38 Glucuronide | N/F | 568.54 C28H28N2O11 |
 |
| STIRN06 | Irinotecan 11-Desethyl Impurity | N/F | 558.64 C31H34N4O6 |
 |
| STIRN07 | Irinotecan 8-Ethyl Impurity | N/F | 614.75 C35H42N4O6 |
 |
Lidocaine HCl
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STLIE01 | Lidocaine-d6 HCl | 1215823-29-2 | 240.38 36.46 C14H16N2OD6. HCl |
 |
Meclizine HCl
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STMEE01 | Meclizine.2HCl | 1104-22-9 | 390.96 2 36.46 C25H27ClN2.2 HCl |
 |
| STMEE02 | Meclizine-d8 | 569-65-3 | 398.99 C25H19ClN2D8 |
 |
| STMEE03 | Meclizine N-Oxide (N4-oxide) |
N/F | 406.96 C25H27ClN2O |
 |
| STMEE04 | Meclizine N-Oxide (N1-oxide) |
N/F | 406.96 C25H27ClN2O |
 |
| STMEE05 | Meclizine N-Oxide (N, N’-dioxide) |
N/F | 422.96 C25H27ClN2O2 |
 |
| STMEE06 | Meclizine-d8 dihydrochloride | N/F | 399.01 2 36.46 C25H19ClN2D8.2 HCl |
 |
Mefenamic Acid
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STMEC01 | Mefenamic acid-d4 | 61-68-7 | 245.32 C15H11D4NO2 |
 |
| STMEC02 | Mefenamic Acid Impurity D (Benzoic Acid) |
65-85-0 | 122.12 C7H6O2 |
 |
| STMEC03 | Mefenamic acid-acyl-â-D-glucuronide | 102623-18-7 | 417.42 C21H23NO8 |
 |
| STMEC04 | Mefenamic acid-d3 | N/F | 244.31 C15H12NO2D3 |
 |
| STMEC05 | 4-hydroxy Mefenamic acid-d3 | N/F | 260.31 C15H12NO3D3 |
 |
| STMEC06 | Mefenamic Acid | 61-68-7 | 241.29 C15H15NO2 |
 |
| STMEC07 | Mefenamic Acid Impurity B |
N/F | 344.46 C23H24N2O |
 |
| STMEC08 | Mefenamic Acid Impurity E |
4869-11-8 | 197.28 C14H15N |
 |
| STMEC09 | Mefenamic Acid Impurity A |
N/F | 121.18 C8H11N |
 |
| STMEC10 | Mefenamic Acid Impurity C |
N/F | 156.57 C7H5ClO2 |
 |
Metformin HCl
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STMEN01 | Metformin-d6 HCl | 657-24-9 | 135.20 36.46 C4H5N5D6.HCl |
 |
| STMEN02 | Metformin Hydroxy Analog Impurity | N/F | 102.10 C2H6N4O |
 |
| STMEN03 | Metformin HCl | N/F | 129.17 36.46 C4H11N5.HCl |
 |
| STMEN04 | Metformin EP Impurity B (Monoguanyl Melamine) | 4405-08-7 | 168.16 C4H8N8 |
 |
| STMEN05 | N,N-Dimethyl Melamine | N/F | 196.22 C6H12N8 |
 |
| STMEN06 | Metformin Impurity D | N/F | 126.12 C3H6N6 |
 |
| STMEN07 | Metformin Impurity C | 1985-46-2 | 154.18 C5H10N6 |
 |
| STMEN08 | Metformin Impurity E (1-Methylbiguanide) Sulfate | 36801-25-9 | 115.14 98.08 C3H9N5. H2O4S |
 |
| STMEN243 | Metformin Impurity F | N/F | 144.18 C4H12N6 |
 |
Modafinil
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STMOL001 | Modafinil | 68693-11-8 | 273.36 C15H15NO2S |
 |
| STMOL002 | Modafinil-d5 | 68693-11-8 | 278.39 C15H10NO2SD5 |
 |
| STMOL003 | Modafinil acid | 63547-24-0 | 274.34 C15H14O3S |
 |
| STMOL004 | (R)-Modanifil acid | 112111-45-2 | 274.34 C15H14O3S |
 |
| STMOL005 | S-Modafinil | N/F | 273.36 C15H15NO2S |
 |
| STMOL006 | R-Modafinil | N/F | 273.36 C15H15NO2S |
 |
| STMOL007 | ModafinilSulfone | 118779-53-6 | 289.36 C15H15NO3S |
 |
| STMOL008 | (R)-(-)-Modafinil-d5 Acid | N/F | 279.37 C15H9O3SD5 |
 |
| STMOL009 | (S)-(+)-Modafinil-d5 Acid | N/F | 279.37 C15H9O3SD5 |
 |
| STMOL010 | (R)-(-)-Modafinil-d5 | N/F | 278.39 C15H10NO2SD5 |
 |
| STMOL011 | (S)-(+)-Modafinil-d5 | N/F | 278.39 C15H10NO2SD5 |
 |
| STMOL012 | (S)-(+)-Modafinil Acid | N/F | 274.34 C15H16O3S |
 |
| STMOL013 | Modafinil-d5 Sulfone | N/F | 294.39 C15H10NO3SD5 |
 |
| STMOL014 | Modafinil Acid Sulfone | N/F | 290.34 C15H14O4S |
 |
| STMOL015 | Modafinil-d5 Acid Sulfone | N/F | 295.37 C15H9O3SD5 |
 |
| STMOL016 | Modafinil Impurity A | N/F | 289.36 C15H15NO3S |
 |
| STMOL017 | 2-[( Diphenyl methyl)sulfinyl] acetic acid methyl ester | N/F | 288.37 C16H16O3S |
 |
Mometasone Furoate
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STMOE01 | Mometasone furoate-d3 | 83919-23-7 | <524.46C27H27D3Cl2O6/td> |  |
| STMOE02 | MometasoneFuroate Impurity E |
N/F | 615.51 C32H32Cl2O8 |
 |
| STMOE03 | MometasoneFuroate Impurity F | 1305334-30-8 | 535.43 C27H28Cl2O7 |
 |
| STMOE04 | MometasoneFuroate Impurity I | N/F | 581.50 C29H34Cl2O8 |
 |
| STMOE05 | Mometasone-d6 | N/F | 433.41 C22H22Cl2O4D6 |
 |
| STMOE06 | Mometasone-17, 20-Difuroate | N/F | 615.51 C32H32Cl2O8 |
 |
| STMOE07 | MometasoneFuroate Impurity 1 | N/F | 488.97 C26H29ClO7 |
 |
| STMOE08 | Mometasone (MometasoneFuroate Impurity G) | 105102-22-5 | 427.37 C22H28Cl2O4 |
 |
| STMOE09 | MometasoneFuroate | N/F | 521.44 C27H30Cl2O6 |
 |
| STMOE10 | MometasoneFuroate Impurity C | N/F | 484.98 C27H29ClO6 |
 |
| STMOE11 | MometasoneFuroate Impurity D | N/F | 484.98 C27H29ClO6 |
 |
| STMOE12 | MometasoneFuroate Impurity H | N/F | 503.00 C27H31ClO7 |
 |
| STMOE13 | MometasoneFuroate Impurity A | 83880-65-3 | 468.98 C27H29ClO5 |
 |
| STMOE14 | MometasoneFuroate Impurity B | N/F | 563.07 C28H31ClO8S |
 |
Moxifloxacin HCl
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STMON01 | Moxifloxacin | 151096-09-2 | 401.44 C21H24FN3O4 |
 |
| STMON02 | Moxifloxacin Impurity E (8-Hydroxy Moxifloxacin) | N/F | 387.41 C20H22FN3O4 |
 |
| STMON03 | 8-Ethoxy MoxifloxacinHCl | N/F | 415.47 36.46 C22H26FN3O4 . HCl |
 |
| STMON04 | 6-Methoxy Moxifloxacin | N/F | 383.45 C22H27N3O5 |
 |
| STMON05 | Moxifloxacin Impurity | 172426-88-9 | 292.27 C16H16FNO5 |
 |
| STMON06 | 8-Desmethoxy-8-Fluoro Moxifloxacin | N/F | 389.41 C20H21F2N3O3 |
 |
| STMON07 | Moxifloxacin-R-isomer (ent-Moxifloxacin) | 268545-13-7 | 401.44 C21H24FN3O4 |
 |
| STMON08 | Moxifloxacin Impurity | N/F | 415.47 C22H26FN3O4 |
 |
| STMON09 | N-Methyl MoxifloxacinHCl | 354812-41-2 | 415.47 36.46 C22H26FN3O4 HCl |
 |
| STMON10 | Mexifloxacin Boron Complex Impurity | N/F | 424.15 C18H17BF2NO8 |
 |
| STMON11 | Moxifloxacin Impurity | N/F | 321.31 C16H16FNO5 |
 |
| STMON12 | Moxifloxacin-d4 HCl | 151096-09-2 | 405.47 36.46 C21H20FN3O4D4.HCl |
 |
| STMON13 | Moxifloxacin Related Compound (1-Cyclopropyl-6,7-Difluoro-8-Methoxy-4-Oxo-1,4-Dihydroquinoline-3-Carboxylic Acid) | 112811-72-0 | 295.24 C14H11F2NO4 |
 |
| STMON14 | 8-Methoxy Quinolonic Ethyl Ester | N/F | 323.30 C16H15F2NO4 |
 |
| STMON15 | Moxifloxacin acyl sulfate | N/F | 481.50 C21H24FN3O7S |
 |
| STMON16 | Moxifloxacin N-sulfate | N/F | 481.50 C21H24FN3O7S |
 |
| STMON17 | Moxifloxacin acyl glucuronide | N/F | 577.57 C27H32FN3O10 |
 |
| STMON18 | 6,8-Dimethoxy Moxifloxacin | N/F | 413.48 C22H27N3O5 |
 |
| STMON19 | 8-Fluoro-6-Methoxy Moxifloxacin | N/F | 401.44 C21H24FN3O4 |
 |
| STMON20 | MoxifloxacinHydroxyQuinoline Impurity | N/F | 281.22 C13H9F2NO4 |
 |
Nortriptyline HCI
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STNOE01 | NortriptylineHCl | N/F | 263.39 36.46 C19H21N.HCl |
 |
| STNOE02 | Nortriptyline-d3 HCl | 72-69-5 | 266.40 36.46 C19H18ND3.HCl |
 |
| STNOE03 | Nortriptyline Impurity E | N/F | 275.40 36.46 C20H21N . HCl |
 |
| STNOE04 | Nortriptyline Impurity F | N/F | 277.41 36.46 C20H23N-HCl |
 |
| STNOE05 | 10-Hydroxy Nortriptyline (Mixture of Cis and Trans Isomers) | N/F | 279.39 C19H21NO |
 |
| STNOE06 | Nortriptyline-D8 | N/F | 271.43 C19H13ND8 |
 |
| STNOE07 | Nortriptyline N-Glucuronide | N/F | 439.51 C25H29NO6 |
 |
Olanzapine
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STOLE01 | Olanzapine | 132539-06-1 | 312.44 C17H20N4S |
 |
| STOLE02 | Olanzapine Ketothiolactam | 1017241-36-9 | 328.44 C17H20N4OS |
 |
| STOLE03 | N-Desmethyl N-Ethyl Olanzapine | 1355034-54-6 | 326.47 C18H22N4S |
 |
| STOLE04 | Olanzapine impurity (1-(5′-Methylthiophen-2′-yl)-1,3-dihydrobenzoimidazol-2-one) | N/F | 230.29 C12H10N2OS |
 |
| STOLE05 | 4-Fluoro Olanzapine | N/F | 330.43 C17H19FN4S |
 |
| STOLE06 | Olanzapine Impurity C | 719300-59-1 | 361.92 35.45 C18H22ClN4S Cl |
 |
| STOLE07 | Olanzapine Impurity A | 138564-59-7 | 259.29 C12H9N3O2S |
 |
| STOLE08 | Olanzapine N-Formyl Impurity | 639460-79-0 | 326.42 C17H18N4OS |
 |
| STOLE09 | Olanzapine Thiohydroxymethylidene (HydroxymethylideneThione) | 1320360-86-8 | 302.40 C15H18N4OS |
 |
| STOLE10 | Olanzapine Ketothiolactam S-oxide | N/F | 344.44 C17H20N4O2S2 |
 |
| STOLE11 | Olanzapine Amino Impurity | 873895-41-1 | 229.31 C12H11N3S |
 |
| STOLE12 | Olanzapine Ring-opening Impurity | 138564-61-1 | 330.46 C17H22N4OS |
 |
| STOLE13 | Olanzapine-d3 | 132539-06-1 | 315.46 C17H17N4SD3 |
 |
| STOLE14 | Olanzapine N-oxide (Olanzapine Impurity D) | 174794-02-6 | 328.44 C17H20N4S |
 |
| STOLE15 | Olanzapine-d8 | 132539-06-1 | 320.49 C17H12N4SD8 |
 |
| STOLE16 | N-Desmethyl Olanzapine-d8 |
N/F | 306.46 C16H10N4SD8 |
 |
| STOLE17 | Desmethyl Olanzapine Impurity (N-Desmethyl Olanzapine) | 161696-76-0 | 298.41 C16H18N4S |
 |
| STOLE18 | Olanzapine Amide (Olanzapine Impurity B) | 221176-49-4 | 230.29 C12H10N2OS |
 |
| STOLE19 | Olanzapine Related Compound HCl | 138564-60-0 | 229.31 36.46 C12H11N3S. HCl |
 |
| STOLE20 | Olanzapine Ketolactam | 1017241-34-7 | 312.37 C17H20N4O2 |
 |
Piperacillin Sodium
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STPIN01 | Piperacillin Impurity B | N/F | 535.58 C23H29N5O8S |
 |
| STPIN02 | Piperacillin-D5, (N-CD2CD3) | 61477-96-1 | 522.60 C23H22N5O7SD5 |
 |
| STPIN03 | Piperacillinpenicillamide | N/F | 715.81 C31H37N7O9S2 |
 |
| STPIN04 | Piperacillinsulfoxide | N/F | 533.56 C23H27N5O8S |
 |
| STPIN05 | Piperacillin Impurity N | N/F | 1035.13 C46H54N10O14S2 |
 |
| STPIN06 | Piperacillin Impurity C | N/F | 491.57 C22H29N5O6S |
 |
| STPIN07 | Piperacillin Impurity D | 848.96 C39H44N8O10S2 |
848.96 C39H44N8O10S2 |
 |
| STPIN08 | Piperacillin Impurity E | 59702-31-7 | 142.16 C6H10N2O2 |
 |
| STPIN09 | Piperacillin Impurity F | N/F | 577.62 C25H31N5O9S |
 |
| STPIN10 | Piperacillin Impurity H | 551-16-6 | 216.26 C8H12N2O3S |
 |
| STPIN11 | Piperacillin sodium impurity G | N/F | 319.32 C15H17N3O5 |  |
| STPIN12 | Piperacillin Impurity J | N/F | 549.56 C23H27N509S |
 |
| STPIN13 | Piperacillin-d5 | N/F | 522.60 C23H22N5O7S D5 |
 |
Pramipexole 2 HCl
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STPRE01 | Pramipexole-d5.2HCl | 104632-26-0 | 289.28 C10H12D5N3S.2HCl |
 |
| STPRE02 | rac-cis-7-Hydroxy-Pramipexole | N/F | 227.33 C10H17N3OS |
 |
| STPRE03 | rac-trans-7-Hydroxy-Pramipexole | 1246818-51-8 | 227.33 C10H17N3OS |
 |
| STPRE04 | Pramipexole Impurity (2-Aminobenzoxazole) | 4570-41-6 | 134.14 C7H6N2O |
 |
| STPRE05 | Pramipexole Impurity (Benzo[d]thiazol-2-Amine) | 136-95-8 | 150.20 C7H6N2S |
 |
| STPRE06 | Pramipexole Impurity V (Pramipexole Impurity Z) | N/F | 245.35 C10H19N3O2S |
 |
| STPRE07 | (S)-N, N’-(4, 5 ,6, 7-Tetrahydrobenzo[d]thiazole-2, 6-diyl)dipropioamide | 1346617-47-7 | 281.38 C13H19N3O2S |
 |
| STPRE08 | (R)-N, N’-(4, 5 ,6, 7-Tetrahydrobenzo[d]thiazole-2, 6-diyl)dipropioamide | N/F | 281.38 C13H19N3O2S |
 |
| STPRE09 | 2, 6-Diamino-5 ,6-Dihydrobenzo[d]thiazol-7(4H)-One | N/F | 183.23 2 x36.46 C7H9N3OS 2HCl |
 |
| STPRE10 | 2-Amino-6-Bromo-5 ,6-Dihydrobenzo[d]thiazol-7(4H)-One | 1001648-73-2 | 247.11 C7H7BrN2OS |
 |
| STPRE11 | Pramipexole Dihydrochloride Monohydrate |
191217-81-9 | 211.33 2 36.46 18.02 C10H17N3S.2 HCl.H2O |
 |
| STPRE12 | N-CarbobenyloxyPramipexole | N/F | 345.47 C18H23N3O2S |
 |
| STPRE13 | Pramipexole Dimer Impurity II | N/F | 420.65 C20H32N6S2 |
 |
| STPRE14 | Ethyl Pramipexole | 1254579-15-1 | 197.30 C9H15N3S |
 |
| STPRE15 | Pramipexole Related Compound (rac-N-Propyl-2-Cyanimidopyrrolidine-5-Acettic Acid) | 1246833-75-9 | 209.25 C10H15N3O2 |
 |
| STPRE16 | Pramipexole Impurity F | N/F | 253.41 C13H23N3S |
 |
| STPRE17 | Pramipexole Impurity A | 106092-09-5 | 169.25 C7H11N3S |
 |
| STPRE18 | Pramipexole Impurity B 2HCl | 1246815-83-7 | 253.41 2 36.46 C13H23N3S. 2 HCl |
 |
| STPRE19 | Pramipexole Impurity D | 104632-27-1 | 211.33 C10H17N3S |
 |
| STPRE20 | Pramipexole Dimer Impurity (Mixture of Diastereomers) | N/F | 420.65 C20H32N6S2 |
 |
| STPRE21 | Pramipexole Impurity C | N/F | 420.65 C20H32N6S2 |
 |
| STPRE22 | Rac-7-Oxo-Pramipexole 2HCl | 1286047-33-3 | 225.31 2 36.46 C10H15N3OS. 2 HCl |
 |
| STPRE23 | Pramipexole Impurity E | 106006-84-2 | 225.31 C10H15N3OS |
 |
Primaquine Phosphte
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STPRE01 | Primaquine Phosphate | 63-45-6 | 455.34 C15H27N3O9P2 |
 |
Propafenone HCl
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STPRE01 | 5-Hydroxy propafenoneHCl | N/F | 393.91 C21H27NO4.HCl |
 |
| STPRE02 | 5-Hydroxy propafenoneglucuronide (mixture of diasteromers) | N/F | 533.58 C27H35NO10 |
 |
| STPRE03 | 5-Hydroxy propafenone sulfate | N/F | 437.52 C21H27NO7S |
 |
| STPRE04 | PropafenoneHCl | 34183-22-7 | 377.91 C21H27NO3. HCl |
 |
| STPRE05 | Propafenone Impurity A (EP/BP/USP) | 3516-95-8 | 226.28 C15H14O2 |
 |
| STPRE06 | Propafenone Impurity B (EP/BP/USP) | 88308-22-9 | 339.44 C21H25NO3 |
 |
| STPRE07 | Propafenone Impurity C (EP/BP/USP) | 22525-95-7 | 282.34 C18H18O3 |
 |
| STPRE08 | PROPAFENONE | 91401-73-9 | 300.36 C18H20O4 |
 |
| STPRE09 | Propafenone Impurity E (EP/BP/USP) | 165279-79-8 | 318.80 C18H19ClO3 |
 |
| STPRE10 | Propafenone Impurity F (EP/BP/USP) | N/F | 508.62 C33H32O5 |
 |
| STPRE11 | Propafenone Impurity G (EP/BP/USP) | N/F | 623.80 C39H45NO6 |
 |
| STPRE12 | N-DespropylpropafenoneHCl | N/F | 335.83 C18H21NO3.HCl |
 |
| STPRE13 | Propafenone Impurity H (EP/BP/USP) | 27439-12-9 | 224.26 C15H12O2 |
 |
| STPRE14 | Propafenone Impurity D | N/F | 00.36 C18H20O4 |
 |
| STPRE15 | 4,4′-Methylenebis(2,6-diisopropyl-N,N-dimethylaniline) | N/F | 422.70 C29H46N2 |
 |
| STPRE16 | Propafenone impurity 1 | N/F | 473.53 C24H31N3O7 |
 |
| STPRE17 | Propafenone N-Formyl Impurity | N/F | 369.46 C22H27NO4 |
 |
| STPRE18 | 4,4′-Methylenebis(2-Isopropyl-6-Methyllaniline) | 16298-38-7 | 310.49 C21H30N2 |
 |
| STPRE19 | Propafenone-d5 HCl | N/F | 382.94 C21H22D5NO3.HCl |
 |
| STPRE20 | 5-Hydroxy propafenone-d5 HCl | N/F | 398.94 C21H22D5NO4.HCl |
 |
| STPRE21 | Despropyl propafenone-d5 HCl | N/F | 340.86 C18H16D5NO3.HCl |
 |
| STPRE22 | Propafenone-d5 HCl | N/F | 382.94 C21H22NO3D5.HCl |
 |
| STPRE23 | Despropyl propafenone-d5 HCl | N/F | 340.86 C18H16NO3D5.HCl |
 |
| STPRE24 | 4′-Hydroxy propafenoneHCl | N/F | 357.45 36.46 C21H27NO4.HCl |
 |
| STPRE25 | Propafenoneglucuronide (mixture of diasteromers) | N/F | 517.58 C27H35NO9 |
 |
Raloxifene HCl
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STRAE01 | Raloxifene EP Impurity A | 1159977-58-8 | 704.89 C42H44N2O6S |
 |
| STRAE02 | Raloxifene Impurity C | 195454-31-0 | 491.61 C28H27NO5S |
 |
| STRAE03 | Raloxifene Impurity B | 1391054-73-1 | 473.60 C28H27NO4S |
 |
| STRAE04 | Raloxifene Impurity D | 177744-96-6 | 362.41 C21H14O4S |
 |
| STRAE05 | Raloxifene-d4 HCl | 1188263-47-9 | 477.62 C28H23NO4SD4. HCl |
 |
| STRAE06 | Raloxifene EP Impurity A, N-oxide | N/F | 736.89 C42H44N2O8S |
 |
| STRAE07 | RaloxifeneHCl | N/F | 473.60 36.46 C28H27NO4S. HCl |
 |
| STRAE08 | RaloxifeneDimethoxy Impurity | N/F | 501.65 C30H31NO4S |
 |
| STRAE09 | Raloxifene Impurity III | N/F | 249.31 36.46 C14H19NO3 . HCl |
 |
| STRAE10 | Raloxifene-4′ -glucuronide | 182507-22-8 | 649.72 C34H35NO10S |
 |
| STRAE11 | Raloxifene-6-glucuronide | 174264-50-7 | 649.72 C34H35NO10S |
 |
| STRAE12 | Raloxifene-d4-4′ -glucuronide | 182507-22-8 | 653.75 C34H31NO10S D4 |
 |
| STRAE13 | Raloxifene-d4-6-glucuronide | 174264-50-7 | 653.75 C34H31NO10S D4 |
 |
| STRAE14 | Raloxifene-6-Glucuronide Lithium Salt | N/F | 648.71 6.94 C34H34NO10S.Li |
 |
| STRAE15 | Raloxifene-4′-Glucuronide Lithium Salt | N/F | 648.71 6.94 C34H34NO10S.Li |
 |
| STRAE16 | Raloxifene-4′,6-Diglucuronide Lithium Salt | N/F | 823.83 2 6.94 C40H41NO16S . 2 Li |
 |
Repaglinide
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STREE01 | Repaglinide acyl glucuronide | 1309112-13-7 | 628.73 C33H44N2O10 |
 |
| STREE02 | 2-Despiperidyl-2-(5-Carboxypentylamine Repaglinide) (M2 Metabolite) | N/ | 484.60 C27H36N2O6 |
 |
| STREE03 | Repaglinide Related Compound A | 219921-94-5 | 246.40 189.17 C16H26N2 . C7H11NO5 |
 |
| STREE04 | Repaglinide Related Compound B | 99469-99-5 | 252.27 C13H16O5 |
 |
| STREE05 | Repaglinide Related Compound C | 107362-12-9 | 486.62 C30H34N2O4 |
 |
| STREE06 | Repaglinide impurity (R-Repaglinide Ethyl Ester) |
147770-08-9 | 480.65 C29H40N2O4 |
 |
| STREE07 | Repaglinide Impurity A | 220438-80-2 | 224.22 C11H12O5 |
 |
| STREE08 | Repaglinide Impurity D | 147770-06-7 | 480.65 C29H40N2O4 |
 |
| STREE09 | Repaglinide Impurity C | N/F | 246.40 C16H26N2 |
 |
| STREE10 | Repaglinide Dimer Impurity | N/F | 680.98 C43H60N4O3 |
 |
| STREE11 | Repaglinide | 135062-02-1 | 452.60 C27H36N2O4 |
 |
| STREE12 | Repaglinide-d5 | N/F | 457.63 C27H31N2O4D5 |
 |
| STREE13 | Repaglinide metabolite(M0-OH) | N/F | 484.60 C27H36N2O6 |
 |
| STREE14 | Repaglinide Impurity IV | 646054-50-4 | 371.57 C23H37N3O |
 |
| STREE15 | R-Repaglinide (Repaglinide Impurity E) | 147852-26-4 | 452.60 C27H36N2O4 |
 |
| STREE16 | Repaglinide M4 metabolite (3′-Hydroxyl Repaglinide, Mixture of Diastereomers) | 874908-14-2 | 468.60 C27H36N2O5 |
 |
| STREE17 | 2-Despiperidyl-2-Amino Repaglinide (M1 Metabolite) |
N/F | 384.48 C22H28N2O4 |
 |
Risedronate Sodium
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STRIM01 | Risedronic acid-d4 | 1035438-80-2 | 287.14 C7H7NO7P2D4 |
 |
| STRIM02 | Tetramethylrisedronate | N/F | 339.22 C11H19NO7P2 |
 |
| STRIM03 | Risedronic Acid Monosodium Salt | N/F | 305.10 C7H10NO7P2. Na |
 |
| STRIM04 | Risedronic Acid | N/F | 283.12 C7H11NO7P |
 |
| STRIM05 | Risedronate Related Compound A | 105462-23-5 | 283.12 C7H11NO7P2 |
 |
| STRIM06 | Risedronate related compound B | N/F | 576.17 C14H18N2Na2O12P4 |
 |
| STRIM07 | Risedronate Impurity C | 105462-25-7 | 283.12 C7H11NO7P2 |
 |
Sumatriptan Succinate
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STSUE01 | Sumatriptan succinate | 103628-48-4 | 413.5 C14H21N3O2S.C4H6O6 |
 |
| STSUE02 | Sumatriptan-d6 Hemisuccinate | 1397195-80-0 | 602.89 118.09 C28H30N6O4S2D12. |
 |
| STSUE03 | Sumatriptan Impurity H | 1391052-59-7 | 495.69 C27H37N5O2S |
 |
| STSUE04 | Sumatriptan Impurity A | 545338-89-4 | 495.69 C27H37N5O2S |
 |
| STSUE05 | Sumatriptan N-Oxide | 212069-94-8 | 311.41 C14H21N3O3S |
 |
| STSUE06 | Sumatriptan Impurity 1 | N/F | 327.41 C14H21N3O4S |
 |
| STSUE07 | Sumatriptan Impurity 2 | N/F | 312.41 C14H22N3O3S. Cl |
 |
Temozolomide
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STSUE01 | Temozolomide | 85622-93-1 | 194.15 C6H6N6O2 |
 |
| STSUE02 | Temozolomide-d3 | 208107-14-6 | 197.17 C6H3N6O2D3 |
 |
| STSUE03 | Temozolomide Metabolite – MTIC |
1232679-46-7 | 168.16 C5H8N6O |
 |
| STSUE04 | Temozolomide Metabolite – MTIC-d3 | N/F | 171.18 C5H5N6OD3 |
 |
| STSUE05 | Temozolomide Acid | 113942-30-6 | 195.14 C6H5N5O3 |
 |
| STSUE06 | TemozolomideCyano Impurity | 114601-31-9 | 176.14 C6H4N6O |
 |
Valacyclovir HCl
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STVAR01 | Valacyclovir-d8 HCl | 1279033-32-7 | 332.39 36.46 C13H12N6O4D8. HCl |
 |
| STVAR02 | Valacyclovir Related Compound D | N/F | 352.40 C15H24N6O4 |
 |
| STVAR03 | BisValacyclovir | N/F | 660.70 C27H40N12O8 |
 |
| STVAR04 | Valacyclovir Related Compound E | N/F | 458.48 C21H26N6O6 |
 |
| STVAR05 | ValacyclovirHCl | 124832-27-5 | 324.34 36.46 C13H20N6O4 HCl |
 |
| STVAR06 | Valacyclovir Related Compound F | N/F | 161.20 172.20 C7H15NO3 C7H8O3S |
 |
| STVAR07 | Valacyclovir Impurity J | 142963-63-1 | 338.37 C14H22N6O4 |
 |
| STVAR08 | GuaninylValacyclovir | N/F | 487.48 C19H25N11O5 |
 |
Vancomycin HCl
| Catalog No | Impurity Name | CAS No | Molecular weight/ Molecular formula |
Chemical Structure |
|---|---|---|---|---|
| STVAN01 | Vancomycin EP Impurity A (N-Demethyl Vancomycin B) |
N/F | 1435.26 C65H73Cl2N9O24 |
 |
| STVAN02 | Vancomycin EPImpurity B ([ß Asp3]vancomycin B ; Vancomycin B Diacid) | N/F | 1450.27 C66H74Cl2N8O25 |
 |
| STVAN03 | Vancomycin EPImpurity C (AglucoVancomycin B ; Vancomycin B Aglycone) | N/F | 1143.95 C53H52Cl2N8 O17 |
 |
| STVAN04 | Vancomycin EP Impurity D (Desvancosaminylvancomycin B) | N/F | 1306.10 C59H62Cl2N8 O22 |
 |
| STVAN05 | Monodeschloro-Vancomycin | N/F | C66H76ClN9O241414.84 |  |
