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Pharmaceutical Impurity Reference Standards
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- Structure:
- Chemical Name:
- Lornoxicam Impurity 9
- CAS:
- 70374-36-6
- MF:
- C6H6ClNO4S2
- Structure:
- Chemical Name:
- Ticagrelor Related Compound 3
- CAS:
- 88756-83-6
- MF:
- C8H15NO3
- Structure:
- Chemical Name:
- 135270-10-9
- CAS:
- 135270-10-9
- MF:
- C12H11F2N3O
- Structure:
- Chemical Name:
- Tadalafil EP Impurity
- CAS:
- 479545-76-1
- MF:
- C21H16N2O5
- Chemical Name:
- Vonoprazan Impurity C
- Structure:
- Chemical Name:
- (5RS)-5-Ethyl-2,6-diimino-5-phenyl-1,2,5,6-tetrahydropyrimidin-4(3H)-one
- CAS:
- 69125-70-8
- MF:
- C12H14N4O
- Structure:
- Chemical Name:
- 8-(2,3-Dichlorophenyl)-8-aza-5-azoniaspiro[4.5]decane BroMide
- CAS:
- 795313-24-5
- MF:
- C14H19BrCl2N2
- Structure:
- Chemical Name:
- 9-MethoxyMethyl Guanine
- CAS:
- 1202645-50-8
- MF:
- C7H9N5O2
- Structure:
- Chemical Name:
- ClindaMycin 3-PalMitate
- CAS:
- 68225-59-2
- MF:
- C34H63ClN2O6S
- Structure:
- Chemical Name:
- EltroMbopag Methyl Ester
- CAS:
- 1246929-01-0
- MF:
- C26H24N4O4
- Structure:
- Chemical Name:
- ErythroMycin A 6,9-IMino Ether
- CAS:
- 99290-97-8
- MF:
- C37H66N2O12
- Structure:
- Chemical Name:
- α,α'-Bis[(2-Methoxyphenoxy)Methyl]-1,4-piperazinediethanol
- CAS:
- 333749-57-8
- MF:
- C24H34N2O6
- Structure:
- Chemical Name:
- Ticagrelor IMpurity E
- CAS:
- 1402150-34-8
- MF:
- C26H30F2N6O5S
- Structure:
- Chemical Name:
- Benzenebutanoicacid,b-[[(1,1-diMethylethoxy)carbonyl]aMino]-2,4,5-trifluoro-,Methylester,(bR)-
- CAS:
- 881995-73-9
- MF:
- C16H20F3NO4
- Structure:
- Chemical Name:
- Bosutinib Impurity 1
- CAS:
- 1460227-29-5
- MF:
- C18H13Cl2N3O3
- Structure:
- Chemical Name:
- tert-butyl 4-cyclohexylpiperazine-1-carboxylate
- CAS:
- 1224935-95-8
- MF:
- C15H28N2O2
- Chemical Name:
- Afatinib IMpurity D
- Structure:
- Chemical Name:
- Avanafil iMpurity 1
- CAS:
- 372117-54-9
- MF:
- C18H22ClN5O3
- Structure:
- Chemical Name:
- Bisoprolol EP IMpurity B HeMifuMarate (Bisoprolol n-Propyl Derivative HeMifuMarate)
- CAS:
- 1447715-44-7
- MF:
- C18H31NO4
- Structure:
- Chemical Name:
- Dabigatran iMpurity F
- CAS:
- 1642853-67-5
- MF:
- C19H20N4O4
- Structure:
- Chemical Name:
- Decitabine iMpurity 4
- CAS:
- 863396-35-4
- MF:
- C6H12O4
- Structure:
- Chemical Name:
- Gliclazide iMpurity D
- CAS:
- 1136426-19-1
- MF:
- C15H20N2O3S
- Structure:
- Chemical Name:
- Losartan IMpurity C (Isolosartan)
- CAS:
- 114799-13-2
- MF:
- C22H23ClN6O
- Structure:
- Chemical Name:
- Posaconazole DiastereoisoMer interMediate 2
- CAS:
- 166583-12-6
- MF:
- C21H21F2N3O4S
- Structure:
- Chemical Name:
- Quetiapine IMpurity P (11-(4-Ethylpiperazin-1-yl)dibenzo[b,f][1,4]thiazepine fuMarate))
- CAS:
- 1011758-03-4
- MF:
- C19H21N3S
- Structure:
- Chemical Name:
- TaMsulosin IMpurity B
- MF:
- C20H28N2O5S
- Chemical Name:
- Ticagrelor iMpurity N
- Structure:
- Chemical Name:
- Tirofiban IMpurity (4,4'-Dipyridyl-1,5-Pentane)
- CAS:
- 25382-33-6
- MF:
- C15H18N2
- Structure:
- Chemical Name:
- 3-Quinolinecarbonitrile,4-chloro-6-Methoxy-7-[3-(4-Methyl-1-piperazinyl)propoxy]-
- CAS:
- 492444-39-0
- MF:
- C19H23ClN4O2
- Structure:
- Chemical Name:
- Vardenafil Oxopiperazine (IMpurity)
- CAS:
- 448184-58-5
- MF:
- C21H26N6O5S
- Structure:
- Chemical Name:
- IverMectin B1 Aglycon
- CAS:
- 73162-95-5
- MF:
- C34H50O8
- Structure:
- Chemical Name:
- 9α-BroMobudesonide
- CAS:
- 313474-59-8
- MF:
- C25H33BrO6
- Structure:
- Chemical Name:
- N-(5-Chloro-2-pyridinyl)-2-pyrazinecarboxaMide (Zopiclone IMpurity)
- CAS:
- 349125-10-6
- MF:
- C10H7ClN4O
- Structure:
- Chemical Name:
- 2-Methyl SiMvastatin (Mixture Of DiasteroisoMers)
- CAS:
- 774611-54-0
- MF:
- C26H40O5
- Structure:
- Chemical Name:
- (4-Chloro-3,5-diMethylpyridin-2-yl)Methanol Hydrochloride
- CAS:
- 143016-70-0
- MF:
- C8H11Cl2NO
- Structure:
- Chemical Name:
- AMoxicillin DiMer (penicilloic acid forM)
- CAS:
- 210289-72-8
- MF:
- C32H40N6O11S2
- Structure:
- Chemical Name:
- Desacetyl-7-ACA Lactone
- CAS:
- 184696-69-3
- MF:
- C8H8N2O3S
- Structure:
- Chemical Name:
- 5,6-DiMethoxy-2-[(4-piperidyl)Methyl]indane Hydrochloride (Donepezil IMpurity)
- CAS:
- 1034439-43-4
- MF:
- C17H26ClNO2
- Structure:
- Chemical Name:
- CarfilzoMib IMpurity
- CAS:
- 1541171-65-6
- MF:
- C41H61N5O10S
- Chemical Name:
- Atracurium Impurity R
- Chemical Name:
- Fludarabine EP impurity K
- Chemical Name:
- Ropivacaine Impurity 28
- Chemical Name:
- Ropivacaine Impurity 6
- Chemical Name:
- Solifenacin ring opening Impurity 11
- Chemical Name:
- Sugammadex sodium Org210839-1 Impurity
- Chemical Name:
- Sugammadex sodium Org284426-1 Impurity
- Chemical Name:
- Bendamustine Related Impurity 6
- Structure:
- Chemical Name:
- Butyphthalide impurity 39
- CAS:
- 1841089-57-3
- MF:
- C24H28O4
- Chemical Name:
- Butyphthalide impurity 45
- Chemical Name:
- Dapoxetine impurity 18
- Chemical Name:
- Febuxostat Impurity 76
- Chemical Name:
- Febuxostat Impurity 91
- Structure:
- Chemical Name:
- Ipratropium Bromide Impurity 1
- MF:
- C20H29Br2NO3
- Chemical Name:
- Lenvatinib Impurity 18
- Structure:
- Chemical Name:
- Moxifloxacin Impurity 44
- CAS:
- 1048972-52-6
- MF:
- C14H12FNO5
- Chemical Name:
- Nintedanib Impurity 32
- Chemical Name:
- Olsalazine Impurity C
- Chemical Name:
- Parecoxib sodium Impurity 33
- Chemical Name:
- Tofacitinib Impurity 96
- Chemical Name:
- Vildagliptin Impurity ZA5
- Chemical Name:
- Linagliptin Impurity CD10925
- Chemical Name:
- Nintedanib Impurity N
- Structure:
- Chemical Name:
- (2R,3R,4R,5S,6S)-2-(acetoxymethyl)-6-(4-chloro-3-(4- hydroxybenzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate
- CAS:
- 1079083-63-8
- MF:
- C27H29ClO10
- Structure:
- Chemical Name:
- Vildagliptin Impurity 25
- CAS:
- 1563006-28-9
- MF:
- C7H10N2O2
- Structure:
- Chemical Name:
- (2R,3R,4R,5S,6S)-2-(acetoxymethyl)-6-(4-chloro-3- (4-methoxybenzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate
- CAS:
- 872980-38-6
- MF:
- C28H31ClO10
- Structure:
- Chemical Name:
- Vinorelbine Impurity DX
- CAS:
- 89368-94-5
- MF:
- C46H55BrN4O8
- Chemical Name:
- Eltrombopag Impurity 2
- Chemical Name:
- Dapoxetine Impurity 17
- Structure:
- Chemical Name:
- Avibactam Impurity
- CAS:
- 2064219-26-5
- MF:
- C7H12N3NaO6S
- Structure:
- Chemical Name:
- (1s,4s)-4-((2-aminobenzyl)amino)cyclohexan-1-ol hydrochloride
- MF:
- C13H21ClN2O
- Chemical Name:
- Solifenacin impurity 23
- Chemical Name:
- Edaravone impurity DEE
- Chemical Name:
- Linagliptin Impurity 49
- Structure:
- Chemical Name:
- (1r,4r)-4-(7,9-dibromo-2,3-dihydro-1H-benzo[e][1,4]diazepin-4(5H)-yl)cyclohexanol hydrochloride
- CAS:
- 2376577-10-3
- MF:
- C15H21Br2ClN2O
- Structure:
- Chemical Name:
- Procatero Impurity
- CAS:
- 90098-93-4
- MF:
- C11H9NO3
- Structure:
- Chemical Name:
- 4-((2-amino-3,5-dibromobenzyl)amino)cyclohexanone hydrochloride
- MF:
- C13H17Br2ClN2O
- Structure:
- Chemical Name:
- Pazufloxacin Impurity 5
- CAS:
- 777824-29-0
- MF:
- C15H15FN2O2
- Chemical Name:
- Vonoprazan Impurity Z-4
- Structure:
- Chemical Name:
- Olanzapine impurity O
- MF:
- C17H20N4S
- Structure:
- Chemical Name:
- Cabozantinib impurity 26
- CAS:
- 2840522-80-5
- MF:
- C28H25ClFN3O5
- Structure:
- Chemical Name:
- Afatinib impurity 45
- CAS:
- 99281-87-5
- MF:
- C5H9NO2
- Structure:
- Chemical Name:
- Dapoxetine impurity 24
- CAS:
- 1445281-20-8
- MF:
- C20H20O4S
- Chemical Name:
- Tazobactam Impurity E
- Chemical Name:
- Vildagliptin Impurity 42
- Chemical Name:
- Canagliflozin Impurity 45
- Chemical Name:
- Pralatrexate Impurity 5
- Chemical Name:
- Pitavastatin Impurity 61
- Chemical Name:
- Sitafloxacin Impurity 17
- Chemical Name:
- Cilastatin Isomer Impurity
- Chemical Name:
- Prednicarbate Impurity E
- Chemical Name:
- Olprinone Impurity B
- Chemical Name:
- Atracurium Impurity 28
- Chemical Name:
- Canagliflozin Impurity 51
- Chemical Name:
- Canagliflozin Impurity 67
- Chemical Name:
- Cefazolin Impurity Q
- Chemical Name:
- Acyclovir Impurity 13
- Chemical Name:
- Afatinib impurity 48
- Chemical Name:
- Cabozantinib impurity M
- Chemical Name:
- Rotigotine Impurity 8