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Pharmaceutical Impurity Reference Standards
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- 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
- CAS:
- MF:C20H28N2O5S
- Chemical Name:Ticagrelor iMpurity N
- CAS:
- MF:
- 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: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
- CAS:
- MF:
- Chemical Name:Fludarabine EP impurity K
- CAS:
- MF:
- Chemical Name:Ropivacaine Impurity 28
- CAS:
- MF:
- Chemical Name:Ropivacaine Impurity 6
- CAS:
- MF:
- Chemical Name:Solifenacin ring opening Impurity 11
- CAS:
- MF:
- Chemical Name:Sugammadex sodium Org210839-1 Impurity
- CAS:
- MF:
- Chemical Name:Sugammadex sodium Org284426-1 Impurity
- CAS:
- MF:
- Chemical Name:Bendamustine Related Impurity 6
- CAS:
- MF:
- Structure:
- Chemical Name:Butyphthalide impurity 39
- CAS:1841089-57-3
- MF:C24H28O4
- Chemical Name:Butyphthalide impurity 45
- CAS:
- MF:
- Chemical Name:Dapoxetine impurity 18
- CAS:
- MF:
- Chemical Name:Febuxostat Impurity 76
- CAS:
- MF:
- Chemical Name:Febuxostat Impurity 91
- CAS:
- MF:
- Structure:
- Chemical Name:Ipratropium Bromide Impurity 1
- CAS:
- MF:C20H29Br2NO3
- Chemical Name:Lenvatinib Impurity 18
- CAS:
- MF:
- Structure:
- Chemical Name:Moxifloxacin Impurity 44
- CAS:1048972-52-6
- MF:C14H12FNO5
- Chemical Name:Nintedanib Impurity 32
- CAS:
- MF:
- Chemical Name:Olsalazine Impurity C
- CAS:
- MF:
- Chemical Name:Parecoxib sodium Impurity 33
- CAS:
- MF:
- Chemical Name:Tofacitinib Impurity 96
- CAS:
- MF:
- Chemical Name:Vildagliptin Impurity ZA5
- CAS:
- MF:
- Chemical Name:Linagliptin Impurity CD10925
- CAS:
- MF:
- Chemical Name:Nintedanib Impurity N
- CAS:
- MF:
- 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
- CAS:
- MF:
- Chemical Name:Dapoxetine Impurity 17
- CAS:
- MF:
- Structure:
- Chemical Name:Avibactam Impurity
- CAS:2064219-26-5
- MF:C7H12N3NaO6S
- Structure:
- Chemical Name:(1s,4s)-4-((2-aminobenzyl)amino)cyclohexan-1-ol hydrochloride
- CAS:
- MF:C13H21ClN2O
- Chemical Name:Solifenacin impurity 23
- CAS:
- MF:
- Chemical Name:Edaravone impurity DEE
- CAS:
- MF:
- Chemical Name:Linagliptin Impurity 49
- CAS:
- MF:
- 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
- CAS:
- MF:C13H17Br2ClN2O
- Structure:
- Chemical Name:Pazufloxacin Impurity 5
- CAS:777824-29-0
- MF:C15H15FN2O2
- Chemical Name:Vonoprazan Impurity Z-4
- CAS:
- MF:
- Structure:
- Chemical Name:Olanzapine impurity O
- CAS:
- 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: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
- CAS:
- MF:
- Chemical Name:Vildagliptin Impurity 42
- CAS:
- MF:
- Chemical Name:Canagliflozin Impurity 45
- CAS:
- MF:
- Chemical Name:Pralatrexate Impurity 5
- CAS:
- MF:
- Chemical Name:Pitavastatin Impurity 61
- CAS:
- MF:
- Chemical Name:Sitafloxacin Impurity 17
- CAS:
- MF:
- Chemical Name:Cilastatin Isomer Impurity
- CAS:
- MF:
- Chemical Name:Prednicarbate Impurity E
- CAS:
- MF:
- Chemical Name:Olprinone Impurity B
- CAS:
- MF:
- Chemical Name:Atracurium Impurity 28
- CAS:
- MF:
- Chemical Name:Canagliflozin Impurity 51
- CAS:
- MF:
- Chemical Name:Canagliflozin Impurity 67
- CAS:
- MF:
- Chemical Name:Cefazolin Impurity Q
- CAS:
- MF:
- Chemical Name:Acyclovir Impurity 13
- CAS:
- MF:
- Chemical Name:Afatinib impurity 48
- CAS:
- MF:
- Chemical Name:Afatinib impurity 48
- CAS:
- MF:
- Chemical Name:Cabozantinib impurity M
- CAS:
- MF:
- Chemical Name:Rotigotine Impurity 8
- CAS:
- MF:
- Structure:
- Chemical Name:Palbociclib-025
- CAS:2174002-16-3
- MF:C25H29N7O3
- Chemical Name:Nitrendipine iMpurity 3
- CAS:
- MF:
- Chemical Name:Cefminox Impurity 3
- CAS:
- MF:
- Chemical Name:Afatinib Impurity 57
- CAS:
- MF:
- Chemical Name:Afatinib Impurity 57
- CAS:
- MF:
- Structure:
- Chemical Name:Apremilast Impurity 34
- CAS:2469037-82-7
- MF:C20H20N2O7S
- Chemical Name:Aprepitant Impurity 35
- CAS:
- MF:
- Chemical Name:Bosutinib Impurity 15
- CAS:
- MF:
- Chemical Name:Ertapenem Impurity 2
- CAS:
- MF:
- Chemical Name:Febuxostat Impurity 68
- CAS:
- MF:
- Chemical Name:Indacaterol Impurity 9
- CAS:
- MF:
- Structure:
- Chemical Name:Olanzapine Impurity 22
- CAS:
- MF:C17H20N4S
- Structure:
- Chemical Name:Olopatadine Impurity 9
- CAS:680579-52-6
- MF:C39H36Br2P2
- Structure:
- Chemical Name:Oseltamivir Impurity 59
- CAS:2485836-60-8
- MF:C12H22N2O3
- Chemical Name:Palbociclib Impurity 36
- CAS:
- MF: