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Pharmaceutical Impurity Reference Standards
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- Chemical Name:
- Fesoterodine Impurity 12
- Chemical Name:
- Dexamethasone EP impurities D
- Chemical Name:
- Palbociclib impurity LMAP
- Structure:
- Chemical Name:
- (3R,3'R)-3,3'-((((S)-1-amino-1-oxobutan-2-yl)azanediyl)bis(methylene))dihexanoic acid
- MF:
- C18H34N2O5
- Structure:
- Chemical Name:
- Acetaminophen EP Impurity L
- MF:
- C8H9NO2
- Chemical Name:
- Anagrelide Impurity 2 HCl
- Structure:
- Chemical Name:
- (R)-4-(2-(benzyl(methyl)amino)-1-hydroxyethyl)benzene-1,2-diol
- CAS:
- 317351-40-9
- MF:
- C16H19NO3
- Structure:
- Chemical Name:
- N,N'-Bis(4-hydroxyphenyl)hydrazine
- CAS:
- 158905-63-6
- MF:
- C12H12N2O2
- Chemical Name:
- Droxidopa Impurity M
- Chemical Name:
- Vigabatrin Impurity 2
- Chemical Name:
- Aripiprazole peroxide degradation Impurity (MW:464Da)
- Chemical Name:
- Zileuton Impurity (MW = 279.31 Da)
- Chemical Name:
- 3'-chloro-3'-deoxythymidine (zidovudine impurity)
- Chemical Name:
- Rivaroxaban Impurity 81
- Chemical Name:
- Salbutamol Impurity 37
- Chemical Name:
- Gadobutrol Impurity 21
- Chemical Name:
- Flucloxacillin sodium EP Impurity E
- Chemical Name:
- Pyrazole
- Structure:
- Chemical Name:
- Labetalone hydrochloride
- CAS:
- 96441-14-4
- MF:
- C19H22N2O3.ClH
- Structure:
- Chemical Name:
- 6-amino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)- 7,9-dimethyl-7,9-dihydro-8H-purin-8-one
- CAS:
- 1361569-23-4
- MF:
- C20H17FN8O
- Structure:
- Chemical Name:
- 5-(1-amino-2-(methylsulfonyl)ethyl)-2-methoxyphenol
- CAS:
- 2169153-70-0
- MF:
- C10H15NO4S
- Chemical Name:
- Bendamustine Impurity 14
- Chemical Name:
- Canagliflozin Impurity 28
- Structure:
- Chemical Name:
- Edoxaban Impurity 24 (1S,2S,4R)
- CAS:
- 2024614-21-7
- MF:
- C21H30ClN5O5
- Structure:
- Chemical Name:
- Edoxaban Impurity 39
- CAS:
- 2081883-55-6
- MF:
- C14H27N3O3
- Structure:
- Chemical Name:
- Ezetimibe Impurity 34
- CAS:
- 2280081-69-6
- MF:
- C20H21NO4
- Structure:
- Chemical Name:
- Linagliptin Impurity 33
- CAS:
- 2443735-53-1
- MF:
- C38H42N10O4
- Structure:
- Chemical Name:
- Milrinone Impurity 15
- CAS:
- 156033-07-7
- MF:
- C12H9N3O2
- Chemical Name:
- Milrinone Impurity 6
- Chemical Name:
- Pantoprazole Impurity 2
- Structure:
- Chemical Name:
- rac-Valsartan EP Impurity B
- CAS:
- 1894176-44-3
- MF:
- C31H35N5O3
- Chemical Name:
- Sitafloxacin Dechloro Impurity
- Structure:
- Chemical Name:
- Ticagrelor Related Compound 85
- CAS:
- 1628340-74-8
- MF:
- C28H34F2N6O5S
- Structure:
- Chemical Name:
- Valsartan Impurity 12
- CAS:
- 1189547-11-2
- MF:
- C11H21NO3
- Chemical Name:
- Vonoprazan Impurity 17
- Chemical Name:
- Avibactam Impurity B
- Chemical Name:
- Brexpiprazole Impurity L
- Chemical Name:
- Cefaclor Impurity 4
- Structure:
- Chemical Name:
- Linagliptin Impurity 38
- CAS:
- 1979144-52-9
- MF:
- C20H17ClN6O2
- Chemical Name:
- Pidotimod Impurity N
- Chemical Name:
- Pitavastatin (3S,5S)-Isomer Ethyl Ester
- Chemical Name:
- Pramipexole Impurity 3
- Chemical Name:
- Rupatadine Impurity A
- Chemical Name:
- Sulpiride Impurity 2
- Chemical Name:
- Tenofovir Impurity 55
- Chemical Name:
- Voriconazole Impurity F
- Structure:
- Chemical Name:
- Atorvastatin Impurity F
- CAS:
- 1371615-56-3
- MF:
- C66H68CaF2N4O10
- Structure:
- Chemical Name:
- Ambroxol Impurity 8(Ambroxol Impurity M)
- CAS:
- 1445719-53-8
- MF:
- C13H16Br2N2O
- Chemical Name:
- Cefdinir impurity PQ mixture
- Structure:
- Chemical Name:
- Loratadine Impurity 16
- MF:
- C22H23ClN2O2
- Structure:
- Chemical Name:
- Meptazinol BP Impurity D
- CAS:
- 1883577-02-3
- MF:
- C30H44N2O
- Chemical Name:
- Prasugrel Impurity 12
- Chemical Name:
- Pregabalin Impurity 16
- Chemical Name:
- NA
- Chemical Name:
- Nintedanib Impurity 26
- Structure:
- Chemical Name:
- (3R,4R)-N,1,4-trimethyl-N-{7H-pyrrolo[2,3-d]pyrimidin-4-yl}piperidin-3-amine
- CAS:
- 2227197-38-6
- MF:
- C14H21N5
- Chemical Name:
- Varenicline Impurity 1
- Structure:
- Chemical Name:
- Amlodipine Impurity 27 Disodium Salt
- CAS:
- 120289-11-4
- MF:
- C19H20ClNO7
- Chemical Name:
- Erlotinib Impurity 47 HCl
- Chemical Name:
- Etoricoxib Impurity 33
- Structure:
- Chemical Name:
- 2,2-dichloro-N-(2,3-dimethylphenyl)acetamide
- CAS:
- 18823-63-7
- MF:
- C10H11Cl2NO
- Structure:
- Chemical Name:
- 2-(1-HydroxyCyclohexyl)-2-(4-MethoxyPhenyl)Acetonitrile
- CAS:
- 93413-76-4
- MF:
- C15H19NO2
- Structure:
- Chemical Name:
- 7-Hydroxy Alosetron
- CAS:
- 863485-44-3
- MF:
- C17H18N4O2
- Structure:
- Chemical Name:
- Dolutegravir 2-Desfluoro Impurity
- CAS:
- 1863916-88-4
- MF:
- C20H20FN3O5
- Structure:
- Chemical Name:
- Moxifloxacin Impurity 46
- CAS:
- 1932499-97-2
- MF:
- C8H16N2
- Structure:
- Chemical Name:
- Posaconazole Impurity 43
- CAS:
- 1428118-40-4
- MF:
- C13H20N2O2
- Structure:
- Chemical Name:
- Empagliflozin Impurity 32
- CAS:
- 1620758-25-9
- MF:
- C24H29ClO8
- Structure:
- Chemical Name:
- Sugammadex Impurity 16
- CAS:
- 2412952-97-5
- MF:
- C69H108BrNaO46S7
- Structure:
- Chemical Name:
- 1,1'-(1,4,8,11-tetraazacyclotetradecane-1,11-diyl)bis(2,2,2- trifluoroethan-1-one) dihydrochloride
- MF:
- C14H24Cl2F6N4O2
- Structure:
- Chemical Name:
- 9-fluoro-6,7-dihydro-5-methyl-1-oxo-8-(4-oxo-1,2,3,4-tetrahydro-1-pyridyl)-1H,5H-benzo[i,j]quinolizine-2-carboxylic acid
- CAS:
- 130539-72-9
- MF:
- C19H17FN2O4
- Structure:
- Chemical Name:
- Clopidogrel
- CAS:
- 444728-15-8
- MF:
- C15H15ClN2OS
- Structure:
- Chemical Name:
- (3R,5S)-5-((S)-8-fluoro-4-isopropyl-2-(N-methylmethyl sulfonamido)-5,6-dihydrobenzo[h]quinazolin-6-yl)-3,5- dihydroxypentanoate calcium(II)
- CAS:
- 854898-50-3
- MF:
- C44H54CaF2N6O12S2
- Structure:
- Chemical Name:
- Arbidol Impurity I
- CAS:
- 153633-10-4
- MF:
- C22H24Br2N2O3S
- Structure:
- Chemical Name:
- Palonosetron Impurity 9
- CAS:
- 2216755-75-6
- MF:
- C18H24N2O
- Chemical Name:
- Zopiclone Impurity 12
- Chemical Name:
- Selexipag impurity
- Structure:
- Chemical Name:
- 2-(3-formyl-4-isobutoxyphenyl)-N,N,4-trimethylthiazole- 5-carboxamide
- CAS:
- 1380049-42-2
- MF:
- C18H22N2O3S
- Chemical Name:
- Benidipine Impurity V
- Chemical Name:
- Cefazolin USP Impurity L-△2
- Structure:
- Chemical Name:
- Fluconazole Impurity M
- MF:
- C13H12F2N6O
- Chemical Name:
- Nicorandil Impurity 14
- Chemical Name:
- Ticagrelor Impurity 64
- Chemical Name:
- Ticagrelor Impurity 71
- Structure:
- Chemical Name:
- Tolterodine EP Impurity G
- CAS:
- 1554029-91-2
- MF:
- C22H32NO2+
- Structure:
- Chemical Name:
- Topiroxostat Impurity 23
- CAS:
- 2044706-78-5
- MF:
- C20H12N10
- Structure:
- Chemical Name:
- Saxagliptin Impurity 34
- CAS:
- 2173146-31-9
- MF:
- C17H25NO5
- Chemical Name:
- Afatinib Impurity 25
- Chemical Name:
- Bendamustine Impurity 34
- Chemical Name:
- Canagliflozin Impurity 29
- Structure:
- Chemical Name:
- Cefazolin Impurity 6
- CAS:
- 66636-33-7
- MF:
- C14H20N4O3S3Si
- Structure:
- Chemical Name:
- Ciprofloxacin Impurity 5
- MF:
- C17H18FN3O3
- Structure:
- Chemical Name:
- Erlotinib Impurity 53
- CAS:
- 749181-30-4
- MF:
- C21H25N3O4
- Structure:
- Chemical Name:
- Etoposide Impurity 4
- CAS:
- 101648-60-6
- MF:
- C35H32Cl6O16
- Structure:
- Chemical Name:
- Olaparib Impurity 25
- CAS:
- 1423030-11-8
- MF:
- C16H9FO4
- Chemical Name:
- Olaparib Impurity 32
- Structure:
- Chemical Name:
- Oseltamivir Impurity 23
- CAS:
- 2241125-39-1
- MF:
- C9H16N2O3
- Chemical Name:
- Rosuvastatin Impurity 85
- Structure:
- Chemical Name:
- Amoxicillin Impurity T
- MF:
- C16H19N3O5S
- Chemical Name:
- Apremilast Impurity OH
- Chemical Name:
- Atracurium Impurity T