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Pharmaceutical Impurity Reference Standards
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- Structure:
- Chemical Name:Rifaximin EP Impurity H
- CAS:1210022-90-4
- MF:C43H51N3O12
- Structure:
- Chemical Name:Voriconazole (2R,3R)-Isomer
- CAS:137234-76-5
- MF:C16H13ClF3N5O
- Structure:
- Chemical Name:Diquafosol Impurity 12
- CAS:694434-51-0
- MF:C18H26N4O23P4
- Structure:
- Chemical Name:Etoricoxib Impurity 39
- CAS:107825-28-5
- MF:C13H17NOS2
- Structure:
- Chemical Name:Furosemide Impurity 7
- CAS:4753-68-8
- MF:C5H8ClNO
- Structure:
- Chemical Name:Irinotecan Impurity 24
- CAS:802277-44-7
- MF:C13H24N2O2
- Structure:
- Chemical Name:Pyridoxine Impurity 12
- CAS:58947-70-9
- MF:C8H9NO3
- Structure:
- Chemical Name:Thiamine
- CAS:6309-04-2
- MF:C13H20Br2N4OS
- Structure:
- Chemical Name:1,1'-(1,4,8,11-tetraazacyclotetradecane-1,4-diyl)bis(2,2,2- trifluoroethan-1-one) dihydrochloride
- CAS:
- MF:C14H24Cl2F6N4O2
- Chemical Name:Empagliflozin Impurity 40
- CAS:
- MF:
- Chemical Name:Empagliflozin Impurity 46
- CAS:
- MF:
- Structure:
- Chemical Name:Mupirocin Impurity P/Decyl [2E,8[2S,3S(1S,2S)]]-5,9-Anhydro-2,3,4,8-tetradeoxy-8-[[3-(2-hydroxy-1-methylpropyl)oxiranyl]methyl]-3-methyl-L-talo-Non-2-enonic Acid Ester
- CAS:153900-96-0
- MF:C27H48O7
- Structure:
- Chemical Name:Aprepitant
- CAS:1242175-38-7
- MF:C20H18F7NO2
- Structure:
- Chemical Name:pranoprofen
- CAS:143436-36-6
- MF:C17H19NO4
- Structure:
- Chemical Name:2-[(1,3-dihydro-1-hydroxy-2,1-benzoxaborol-5-yl)oxy]Benzonitrile
- CAS:906673-30-1
- MF:C14H10BNO3
- Structure:
- Chemical Name:Fluconazole Impurity 5
- CAS:154534-83-5
- MF:C10H9ClF2N4O
- Structure:
- Chemical Name:Fexofenadine N-Oxide
- CAS:1422515-52-3
- MF:C32H39NO5
- Structure:
- Chemical Name:Trimetazidine Impurity 16
- CAS:118709-62-9
- MF:C13H16O4
- Structure:
- Chemical Name:Ortho-Isomer of Dapagliflozin
- CAS:2040305-05-1
- MF:C21H25ClO6
- Chemical Name:Acarbose Impurity H
- CAS:
- MF:
- Chemical Name:Acarbose Impurity H
- CAS:
- MF:
- Structure:
- Chemical Name:Chidamide-13C7
- CAS:1348337-81-4
- MF:C24H18N4O4
- Structure:
- Chemical Name:Imidafenacin Related Compound 9
- CAS:170105-17-6
- MF:C21H21N3
- Chemical Name:Atracurium Impurity M
- CAS:
- MF:
- Chemical Name:Cefminox Sodium impurity 1
- CAS:
- MF:
- Chemical Name:Dapagliflozin Impurity 5
- CAS:
- MF:
- Chemical Name:Emtricitabine Impurity E
- CAS:
- MF:
- Structure:
- Chemical Name:Furosemide Impurity 4
- CAS:
- MF:C12H11ClN2O5S
- Chemical Name:Pitavastatin Impurity 43
- CAS:
- MF:
- Structure:
- Chemical Name:Tazobactam Impurity B
- CAS:158411-82-6
- MF:C6H11NO3S
- Chemical Name:Tirofiban Impurity E
- CAS:
- MF:
- Chemical Name:Tofacitinib Impurity 73
- CAS:
- MF:
- Chemical Name:Tofacitinib Impurity 82
- CAS:
- MF:
- Chemical Name:Apixaban Impurity 37
- CAS:
- MF:
- Chemical Name:Atracurium Impurity 27
- CAS:
- MF:
- Chemical Name:Aztreonam Impurity 3
- CAS:
- MF:
- Chemical Name:Aztreonam Impurity 9
- CAS:
- MF:
- Chemical Name:Bendamustine Impurity 24
- CAS:
- MF:
- Structure:
- Chemical Name:Bosutinib Impurity 4
- CAS:142072-71-7
- MF:C10H11NO4
- Chemical Name:Cefazolin EP Impurity L
- CAS:
- MF:
- Chemical Name:Cefoxitin Impurity 2
- CAS:
- MF:
- Chemical Name:Clotrimazole Impurity 4
- CAS:
- MF:
- Structure:
- Chemical Name:Dasatinib impurity 29
- CAS:1417651-54-7
- MF:C21H16Cl3N7OS
- Structure:
- Chemical Name:Erlotinib Impurity 58
- CAS:2246399-22-2
- MF:C10H12N2O3
- Chemical Name:Lamivudine Impurity 4
- CAS:
- MF:
- Chemical Name:Olaparib Impurity 37
- CAS:
- MF:
- Chemical Name:Oseltamivir Impurity 3
- CAS:
- MF:
- Structure:
- Chemical Name:Phenylephrine Impurity 2
- CAS:
- MF:C9H13NO2
- Structure:
- Chemical Name:Pitavastatin Impurity 23
- CAS:1467166-39-7
- MF:C28H28FNO4
- Chemical Name:Pregabalin Impurity 24
- CAS:
- MF:
- Chemical Name:Rocuronium Bromide Impurity 11
- CAS:
- MF:
- Chemical Name:Rocuronium Bromide Impurity 24
- CAS:
- MF:
- Chemical Name:Rosuvastatin EP Impurity L
- CAS:
- MF:
- Chemical Name:Timolol EP Impurity J
- CAS:
- MF:
- Chemical Name:Trimetazidine Impurity 7
- CAS:
- MF:
- Chemical Name:Apremilast Impurity TNB
- CAS:
- MF:
- Chemical Name:Atracurium Impurity N
- CAS:
- MF:
- Chemical Name:Avibactam Impurity X
- CAS:
- MF:
- Chemical Name:Cefazolin Impurity L
- CAS:
- MF:
- Chemical Name:Ceftazidime hetero trans oxidation Impurity
- CAS:
- MF:
- Chemical Name:Regorafenib Impurity 17
- CAS:
- MF:
- Chemical Name:Ropivacaine Impurity 45
- CAS:2726971-51-1
- MF:
- Structure:
- Chemical Name:Sildenafil Impurity 17
- CAS:
- MF:C22H30N6O4S
- Chemical Name:Sugammadex sodium Org199074-1 Impurity
- CAS:
- MF:
- Chemical Name:Sugammadex sodium Org238832-1 Impurity
- CAS:
- MF:
- Chemical Name:Afatinib impurity 33
- CAS:
- MF:
- Structure:
- Chemical Name:Avibactam Impurity 38
- CAS:2241730-86-7
- MF:C20H29BrN2O5
- Structure:
- Chemical Name:Butyphthalide impurity 27
- CAS:33704-16-4
- MF:C12H12O5
- Chemical Name:Butyphthalide impurity 35
- CAS:
- MF:
- Chemical Name:Canagliflozin Impurity 31
- CAS:
- MF:
- Structure:
- Chemical Name:Celecoxib Impurity 21
- CAS:2055787-31-8
- MF:C17H12F3N3O3S
- Chemical Name:Emtricitabine Impurity CFTU2
- CAS:
- MF:
- Chemical Name:Febuxostat Impurity 88
- CAS:
- MF:
- Chemical Name:Gefitinib Impurity S
- CAS:
- MF:
- Structure:
- Chemical Name:Ibrutinib Impurity 15
- CAS:1288338-97-5
- MF:C47H46N12O3
- Chemical Name:LCZ696(valsartan + sacubitril) impurity 34
- CAS:
- MF:
- Chemical Name:Lenvatinib Impurity 27
- CAS:
- MF:
- Chemical Name:Montelukast sodium impurity H
- CAS:
- MF:
- Chemical Name:Regorafenib Impurity 25
- CAS:
- MF:
- Chemical Name:Regorafenib Impurity 33
- CAS:
- MF:
- Chemical Name:Sitafloxacin Impurity ZZ-A-02
- CAS:
- MF:
- Structure:
- Chemical Name:Solifenacin impurity 19
- CAS:1422505-78-9
- MF:C17H17NO
- Chemical Name:Tofacitinib Impurity 93
- CAS:
- MF:
- Chemical Name:Topiroxostat Impurity 30
- CAS:
- MF:
- Chemical Name:Sitafloxacin Impurity 8
- CAS:
- MF:
- Structure:
- Chemical Name:Budesonide Impurity 7
- CAS:3949-79-9
- MF:C23H28O7
- Structure:
- Chemical Name:Azacitidine Impurity 34
- CAS:105330-94-7
- MF:C9H14N4O5
- Structure:
- Chemical Name:Diazepam Impurity 1
- CAS:36020-94-7
- MF:C16H15ClN2O2
- Structure:
- Chemical Name:Rosuvastatin Related Compound 8
- CAS:521974-01-6
- MF:C13H23ClO4
- Structure:
- Chemical Name:1-benzyl-4-hydroxy-2-methyl-1H-benzo[d]imidazole-6-carboxylic acid
- CAS:1640981-19-6
- MF:C16H14N2O3
- Structure:
- Chemical Name:ammonium 1-(5-methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydropyridine-2-carboxylate
- CAS:2227107-89-1
- MF:C16H18N4O4
- Chemical Name:Aztreonam Impurity 8
- CAS:
- MF:
- Structure:
- Chemical Name:(1s,4s)-4-((2-amino-4-bromobenzyl)amino)cyclohexan-1-ol hydrochloride
- CAS:
- MF:C13H20BrClN2O
- Structure:
- Chemical Name:Pitavastatin Impurity 18 Sodium Salt
- CAS:2276678-27-2
- MF:C25H25FNNaO5
- Structure:
- Chemical Name:Moxifloxacin Impurity 67
- CAS:1430075-14-1
- MF:C10H16ClNO3
- Chemical Name:Landiolol impurity
- CAS:
- MF:
- Chemical Name:Irinotecan Impurity K
- CAS:
- MF:
- Chemical Name:Palbociclib Impurity 28
- CAS:
- MF:
- Chemical Name:Afatinib impurity 40
- CAS:
- MF:
- Chemical Name:Vildagliptin Impurity 37
- CAS:
- MF: