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Pharmaceutical Impurity Reference Standards
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- Structure:
- Chemical Name:Plerixafor
- CAS:548488-49-9
- MF:C12H23F3N4O
- Chemical Name:Vonoprazan Impurity 10
- CAS:
- MF:
- Chemical Name:Vonoprazan Impurity 5
- CAS:
- MF:
- Chemical Name:Sitagliptin IMpurity 1
- CAS:
- MF:
- Chemical Name:Etoricoxib Impurity 7
- CAS:
- MF:
- Chemical Name:Ezetimibe Impurity D
- CAS:
- MF:
- Chemical Name:Alogliptin Imp.13
- CAS:
- MF:
- Chemical Name:Erlotinib Imp.18
- CAS:
- MF:
- Structure:
- Chemical Name:Ezetimibe (RSS)-Isomer
- CAS:1478664-18-4
- MF:C24H21F2NO3
- Chemical Name:Apremilast Impurity 6
- CAS:
- MF:
- Structure:
- Chemical Name:Azilsartan Impurity 16
- CAS:1417576-00-1
- MF:C28H20N4O8
- Structure:
- Chemical Name:Regorafenib Impurity 11
- CAS:2512204-88-3
- MF:C19H18ClFN4O3
- Structure:
- Chemical Name:Topiroxostat Impurity 2
- CAS:445218-61-1
- MF:C12H11N5O
- Structure:
- Chemical Name:Fluvastatin Impurity 1
- CAS:
- MF:C24H26FNO4
- Chemical Name:Lornoxicam Impurity 7
- CAS:
- MF:
- Structure:
- Chemical Name:Prednisolone Impurity A
- CAS:
- MF:C21H28O5
- Structure:
- Chemical Name:Tofacitinib Impurity 6
- CAS:1640972-35-5
- MF:C16H22N6O
- Chemical Name:Afatinib Impurity 20
- CAS:
- MF:
- Structure:
- Chemical Name:1-(4-Ethylphenyl)-2-methyl-2-propen-1-one
- CAS:70639-76-8
- MF:C12H14O
- Chemical Name:Ceftriaxone Sodium impurity
- CAS:
- MF:
- Structure:
- Chemical Name:Ivabradine Impurity 5
- CAS:1462470-54-7
- MF:C27H38N2O6
- Structure:
- Chemical Name:(2R,5S,13aR)-8-methoxy-7,9-dioxo-N-(2,4,6-trifluorobenzyl)-2,3,4,5,7,9,13,13a-octahydro-2,5-methanopyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazepine-10-carboxamide
- CAS:1616340-94-3
- MF:C22H20F3N3O5
- Structure:
- Chemical Name:Aprepitant Impurity 6
- CAS:170902-81-5
- MF:C23H21F7N4O3
- Structure:
- Chemical Name:(S)-3-((R)-5-(4-fluorophenyl)-5-hydroxy-2-((E)-4-hydroxybenzylidene)pentanoyl)-4-phenyloxazolidin-2-one
- CAS:
- MF:C27H24FNO5
- Structure:
- Chemical Name:Alogliptin Related Compound 14
- CAS:1820685-30-0
- MF:C18H23N5O3
- Structure:
- Chemical Name:(3S,5S)-Atorvastatin (sodium salt)
- CAS:1428118-38-0
- MF:C33H36FN2NaO5
- Structure:
- Chemical Name:Chlorpromazine EP impurity B
- CAS:19077-20-4
- MF:C21H28ClN3S
- Structure:
- Chemical Name:2-amino-4-fluoro-5-nitrobenzoic acid
- CAS:1194097-41-0
- MF:C7H5FN2O4
- Structure:
- Chemical Name:Alogliptin benzoate impurity K
- CAS:1618644-32-8
- MF:C25H25N5O3
- Structure:
- Chemical Name:Belinostat Z-isomer
- CAS:1884227-58-0
- MF:C15H14N2O4S
- Chemical Name:Canagliflozin Impurity 13
- CAS:
- MF:
- Chemical Name:Carfilzomib Impurity 1
- CAS:
- MF:
- Structure:
- Chemical Name:Dapagliflozin Impurity 14
- CAS:2271248-78-1
- MF:C21H25ClO6
- Structure:
- Chemical Name:Ibrutinib Impurity 13
- CAS:
- MF:C27H31N7O2
- Structure:
- Chemical Name:Linagliptin Impurity 26
- CAS:2446799-71-7
- MF:C20H17BrN6O2
- Chemical Name:Nintedanib Impurity 13 (Intedanib Impurity 13)
- CAS:
- MF:
- Structure:
- Chemical Name:vildagliptin Impurity E
- CAS:1789703-37-2
- MF:C17H25N3O2
- Structure:
- Chemical Name:Sitagliptin Impurity 1
- CAS:823817-55-6
- MF:C16H15F6N5O
- Structure:
- Chemical Name:Niraparib metabolite M1
- CAS:1476777-06-6
- MF:C19H19N3O2
- Structure:
- Chemical Name:Amlodipine Impurity 16
- CAS:
- MF:C26H31ClN2O8S
- Structure:
- Chemical Name:Edoxaban Impurity 11 (1R,2R,4S)
- CAS:480451-98-7
- MF:C21H30ClN5O5
- Structure:
- Chemical Name:Rivaroxaban Impurity 25
- CAS:931117-61-2
- MF:C19H21Cl2N3O6S
- Chemical Name:(R)-CITALOPRAM R-(+)-1-3-(dimethyl-amino) propyl-1-(p-fluorophenyl)-5-phthalancarbonitrile
- CAS:
- MF:
- Structure:
- Chemical Name:Atorvastatin pyrrolidone lactone
- CAS:906552-19-0
- MF:C33H33FN2O5
- Chemical Name:Cabozantinib Impurity G
- CAS:
- MF:
- Structure:
- Chemical Name:Clopidogrel Impurity 10
- CAS:
- MF:C15H14ClNO2S
- Structure:
- Chemical Name:Dapoxetine Impurity 4 HCl
- CAS:119357-39-0
- MF:C21H23NO
- Structure:
- Chemical Name:Medetomidine Impurity 2
- CAS:33967-19-0
- MF:C10H14O
- Structure:
- Chemical Name:Tofacitinib Impurity 34
- CAS:2459302-86-2
- MF:C19H22N8
- Structure:
- Chemical Name:1,2-Ethanediamine, N,N,N',N'-tetrakis(2-aminoethyl)-
- CAS:4097-90-9
- MF:C10H28N6
- Structure:
- Chemical Name:Omeprazole EP Impurity G
- CAS:125656-83-9
- MF:C16H13N3O2S
- Structure:
- Chemical Name:Piperazine, 1-methyl-4-[(4-methyl-1-piperazinyl)carbonyl]-
- CAS:4180-30-7
- MF:C11H22N4O
- Chemical Name:Cefdinan impurity S
- CAS:
- MF:
- Structure:
- Chemical Name:(4S)-2-(((R)-2-Amino-2-phenylacetamido)(carboxy)-methyl)-5,5-dimethylthiazolidine-4-carboxylic
- CAS:1642629-93-3
- MF:C16H21N3O5S
- Structure:
- Chemical Name:3,3'-(ethane-1,2-diyl)bis(1-(2-chloroethyl)-1H-benzo[d]imidazol-2(3H)-one)
- CAS:191977-79-4
- MF:C20H20Cl2N4O2
- Structure:
- Chemical Name:octakis(6-chloro-6-deoxy)-γ-cyclodextrin
- CAS:173094-60-5
- MF:C48H72Cl8O32
- Structure:
- Chemical Name:N-[4-(difluoromethoxy)-2-nitrophenyl]acetamide
- CAS:97963-75-2
- MF:C9H8F2N2O4
- Structure:
- Chemical Name:Ropivacaine-ET
- CAS:2180-94-1
- MF:C16H24N2O
- Structure:
- Chemical Name:Pitavastatin Dihydrobenzophenanthridine
- CAS:1187966-91-1
- MF:C25H24FNO4
- Structure:
- Chemical Name:BDJS-SH 3
- CAS:1817657-89-8
- MF:C12H18N2O2
- Chemical Name:Aprepitant Impurity 19
- CAS:1333995-14-4
- MF:
- Chemical Name:Blonanserin impurity E
- CAS:
- MF:
- Chemical Name:Clindamycin Impurity 17
- CAS:
- MF:
- Structure:
- Chemical Name:Edaravone Impurity 12
- CAS:2061958-41-4
- MF:C12H16N2O2
- Chemical Name:Empagliflozin Impurity 19
- CAS:
- MF:
- Chemical Name:Erythromycin impurity D
- CAS:
- MF:
- Chemical Name:FeBuxostat Impurity 40
- CAS:
- MF:
- Structure:
- Chemical Name:Formoterol Impurity 13
- CAS:150513-24-9
- MF:C18H24N2O3
- Structure:
- Chemical Name:Fosaprepitant Impurity 4
- CAS:1523569-85-8
- MF:C37H34F7N4O6P
- Structure:
- Chemical Name:Fudosteine Impurity 2
- CAS:1480319-53-6
- MF:C6H13NO5S
- Chemical Name:Ilaprazole Impurity 1
- CAS:
- MF:
- Chemical Name:Ilaprazole Impurity 2
- CAS:
- MF:
- Chemical Name:Isavuconazole Impurity 10
- CAS:
- MF:
- Chemical Name:Isavuconazole Impurity 18
- CAS:3094994-77-8
- MF:
- Chemical Name:Isavuconazole Impurity 6
- CAS:
- MF:
- Structure:
- Chemical Name:Lercanidipine Impurity 4
- CAS:2727061-30-3
- MF:C18H23NO2
- Chemical Name:Nitrendipine Impurity 4
- CAS:
- MF:
- Chemical Name:Olaparib Impurity 6
- CAS:
- MF:
- Chemical Name:Paclitaxel EP Impurity H
- CAS:
- MF:
- Chemical Name:Paroxetine Impurity 10
- CAS:
- MF:
- Chemical Name:Posaconazole Impurity 31
- CAS:
- MF:
- Structure:
- Chemical Name:Posaconazole Impurity 60
- CAS:2134652-05-2
- MF:C14H14F2O4
- Chemical Name:Regorafenib impurity D
- CAS:
- MF:
- Structure:
- Chemical Name:SofosBuvir impurity 21
- CAS:1496552-50-1
- MF:C22H29ClN3O9P
- Chemical Name:sofosBuvir impurity 36
- CAS:
- MF:
- Chemical Name:SofosBuvir Impurity 52
- CAS:
- MF:
- Chemical Name:SofosBuvir Impurity 59
- CAS:
- MF:
- Chemical Name:Ticagrelor impurity 25
- CAS:
- MF:
- Structure:
- Chemical Name:Tirofiban Impurity 14
- CAS:1103300-75-9
- MF:C12H17NO5S
- Structure:
- Chemical Name:Tirofiban Impurity 19
- CAS:158808-75-4
- MF:C18H28N2O3
- Structure:
- Chemical Name:Amoxicillin Impurity P
- CAS:
- MF:C16H19N3O5S
- Chemical Name:Ampicillin Impurity S
- CAS:
- MF:
- Chemical Name:Cefdinir Impurity F (CP)
- CAS:
- MF:
- Structure:
- Chemical Name:Flucloxacillin Sodium Impurity A
- CAS:68728-50-7
- MF:C19H20ClFN3NaO6S
- Structure:
- Chemical Name:Oxacillin Sodium Impurity G(EP)
- CAS:724695-30-1
- MF:C19H18ClN3O5S
- Chemical Name:Spectinomycin Impurity D
- CAS:
- MF:
- Structure:
- Chemical Name:(4R,4aS,5aR,12aS)-9-[2-(tert-butylamino)acetamido]-4,7-bis(dimethylamino)-3,10,12,12a-tetrahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
- CAS:
- MF:C29H39N5O8
- Structure:
- Chemical Name:Amifostine Impurity 3
- CAS:41510-53-6
- MF:C5H15N2O3PS
- Chemical Name:Cefradine impurity C
- CAS:
- MF:
- Structure:
- Chemical Name:Cefuroxime sodium impurity H
- CAS:
- MF:C16H16N4NaO8S