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Pharmaceutical Impurity Reference Standards
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- Chemical Name:Paclitaxel EP Impurity M
- CAS:
- MF:
- Structure:
- Chemical Name:Parecoxib Sodium Impurity H
- CAS:501093-49-8
- MF:C16H14N2O4S
- Chemical Name:Posaconazole Impurity 10
- CAS:
- MF:
- Structure:
- Chemical Name:Posaconazole Impurity 63
- CAS:208187-15-9
- MF:C20H26F2O4
- Structure:
- Chemical Name:(S)-4,5,6,7-Tetrahydro-N2,N6-propionyl-2,6-benzothiazolediaMine
- CAS:1373869-91-0
- MF:C11H17N3O2
- Chemical Name:SofosBuvir impurity 62
- CAS:
- MF:
- Structure:
- Chemical Name:Tamoxifen EP Impurity E
- CAS:
- MF:C26H29NO
- Chemical Name:Tenofovir impurity P
- CAS:
- MF:
- Structure:
- Chemical Name:Tirofiban Impurity 3
- CAS:1346918-32-8
- MF:C13H19NO5S
- Chemical Name:Trelagliptin Impurity 19
- CAS:
- MF:
- Structure:
- Chemical Name:N-((3R,4R)-1-(2-cyanoacetyl)-4-methylpiperidin-3-yl)-N-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine oxide
- CAS:2028267-73-2
- MF:C16H20N6O2
- Structure:
- Chemical Name:D-Glucitol, 1,5-anhydro-1-C-[4-chloro-3-[(4-methoxyphenyl)methyl]phenyl]-, (1S)-
- CAS:333359-90-3
- MF:C20H23ClO6
- Chemical Name:Flucloxacillin Sodium Impurity E
- CAS:
- MF:
- Chemical Name:Amifostine Impurity 1
- CAS:
- MF:
- Chemical Name:Clindamycin Phosphate EP Impurity H
- CAS:
- MF:
- Structure:
- Chemical Name:2-Thia-5-azabicyclo[2.2.1]heptane-5-carboxylic acid, 3-oxo-, (4-nitrophenyl)methyl ester, (1S,4S)-
- CAS:151072-00-3
- MF:C13H12N2O5S
- Structure:
- Chemical Name:Brexpiprazole Impurity
- CAS:2116542-21-1
- MF:C38H40N4O4S
- Structure:
- Chemical Name:4-(1-(2,3-dimethylphenyl)propyl)-1H-imidazole
- CAS:86347-62-8
- MF:C14H18N2
- Structure:
- Chemical Name:Atomoxetine EP Impurity A
- CAS:873310-33-9
- MF:C16H20ClNO
- Structure:
- Chemical Name:Famciclovir Impurity 12
- CAS:122497-20-5
- MF:C12H15N5O4
- Structure:
- Chemical Name:Levofloxacin Impurity 22
- CAS:177472-29-6
- MF:C20H25F2N3O4
- Structure:
- Chemical Name:Methylprednisolone EP Impurity E
- CAS:229019-44-7
- MF:C21H28O4
- Structure:
- Chemical Name:Pantoprazole Impurity 1
- CAS:812664-93-0
- MF:C16H14ClF2N3O4S
- Structure:
- Chemical Name:Ticagrelor Related Compound 38D-Tartrate
- CAS:2165881-71-8
- MF:C10H19NO4
- Structure:
- Chemical Name:1-(1-BENZOTHIOPHEN-7-YL)PIPERAZINE
- CAS:105685-06-1
- MF:C12H14N2S
- Structure:
- Chemical Name:4-methyl-N-(2-methyl-5-nitrophenyl)-6-(pyridin-3-yl)pyrimidin-2-amine
- CAS:
- MF:C17H15N5O2
- Structure:
- Chemical Name:Afatinib Impurity 21
- CAS:2044709-72-8
- MF:C18H16F2N4O2
- Structure:
- Chemical Name:trans-Carboprost
- CAS:76498-29-8
- MF:C21H36O5
- Structure:
- Chemical Name:N-[[2-(1H-Tetrazol-5-Yl)[1,1-Biphenyl]-4-Yl]Methyl]Amine(WXC00176)
- CAS:147225-68-1
- MF:C14H13N5
- Structure:
- Chemical Name:MFFANMLJBOSKIX-UHFFFAOYSA-N
- CAS:352457-34-2
- MF:C9H13N5O2
- Structure:
- Chemical Name:4,4',4''-Methylidenetrisbenzonitrile
- CAS:113402-31-6
- MF:C22H13N3
- Structure:
- Chemical Name:methyl (2E)-3-(methylamino)but-2-enoate
- CAS:21759-69-3
- MF:C6H11NO2
- Structure:
- Chemical Name:Entecavir Impurity 5
- CAS:84868-56-4
- MF:C21H20O2
- Structure:
- Chemical Name:Bisoprolol-d5
- CAS:1189881-87-5
- MF:C18H31NO4
- Structure:
- Chemical Name:4-(2-HYDROXY-3-ISOPROPYLAMINO-PROPOXY)-BENZOIC ACID METHYL ESTER
- CAS:33947-97-6
- MF:C14H21NO4
- Structure:
- Chemical Name:3-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]-2-[1-[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]pentan-2-yl]-1,3-diazaspiro[4.4]non-1-en-4-one
- CAS:1346598-52-4
- MF:C39H38N10O
- Structure:
- Chemical Name:5-METHYL-3-NITROMETHYL-HEXANOIC ACID
- CAS:181289-21-4
- MF:C8H15NO4
- Structure:
- Chemical Name:4(3,4-DICHLOROPHENYL)1,2,3,4-TETRAHYDRO-N-METHYL-1-NAPHTHALENE AMINE RACEMATE
- CAS:140631-53-4
- MF:C17H17Cl2N
- Structure:
- Chemical Name:(3R,5R)-tert-butyl 7-(2,3-bis(4-fluorophenyl)-5-isopropyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoate
- CAS:2588261-40-7
- MF:C37H42F2N2O5
- Structure:
- Chemical Name:(S)-ethyl 2-(4-hydroxy-2-oxopyrrolidin-1-yl)acetate
- CAS:870695-39-9
- MF:C8H13NO4
- Structure:
- Chemical Name:4-(3-(4-(cyclopropanecarbonyl)piperazine-1-carbonyl)-4-hydroxybenzyl)phthalazin-1(2H)-one
- CAS:
- MF:C24H24N4O4
- Structure:
- Chemical Name:Diquafosol Impurity 2
- CAS:63785-59-1
- MF:C18H25N4O20P3
- Structure:
- Chemical Name:N-((3R,4R)-1-benzyl-4-methylpiperidin-3-yl)-2,2'-dichloro-N-methyl-7H-[4,7'-bipyrrolo[2,3-d]pyrimidin]-4'-amine
- CAS:2459302-87-3
- MF:C26H26Cl2N8
- Structure:
- Chemical Name:(1R,3R)-1-(benzo[d][1,3]dioxol-5-yl)-2-(2,2-dichloroacetyl) -2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate
- CAS:1598416-08-0
- MF:C22H18Cl2N2O5
- Structure:
- Chemical Name:PANTOPRAZOLE N-OXIDE SODIUM SALT
- CAS:1279822-90-0
- MF:C16H16F2N3NaO5S
- Structure:
- Chemical Name:3-HYDROXY-THIOBENZAMIDE
- CAS:104317-54-6
- MF:C7H7NOS
- Structure:
- Chemical Name:Tadalafil impurity 38
- CAS:185750-07-6
- MF:C14H15ClN2O3
- Chemical Name:Fulvestrant impurity H
- CAS:
- MF:
- Structure:
- Chemical Name:Trans-5-(Benzyloxyamino)piperidine-2-carboxylic acid,sodium salt
- CAS:2122800-38-6
- MF:C13H19N2NaO3
- Structure:
- Chemical Name:1-(5-(2-fluorophenyl)-1-(pyridin-2-ylsulfonyl)-1H-pyrrol-3-yl)-N- methylmethanamine fumarate
- CAS:928615-46-7
- MF:C17H16FN3O2S
- Structure:
- Chemical Name:2-METHYLPYRAZINE 1,4-DIOXIDE
- CAS:32046-26-7
- MF:C5H6N2O2
- Structure:
- Chemical Name:4-AMINO-1-METHYL-5-PROPYL-1H-PYRAZOLE-3-CARBOXYLIC ACID AMIDE
- CAS:247583-78-4
- MF:C8H14N4O
- Structure:
- Chemical Name:CAPECITABINE-D11
- CAS:1132662-08-8
- MF:C15H13D11FN3O6
- Chemical Name:Bendamustine Related Impurity 2
- CAS:
- MF:
- Chemical Name:Bendamustine Related Impurity 7
- CAS:
- MF:
- Chemical Name:Bortezomib Impurity 25
- CAS:
- MF:
- Chemical Name:Bortezomib Impurity 40
- CAS:
- MF:
- Structure:
- Chemical Name:Edoxaban Impurity 28 (1R,2R,4R)
- CAS:1255529-38-4
- MF:C21H30ClN5O5
- Chemical Name:Linagliptin Impurity 31
- CAS:
- MF:
- Structure:
- Chemical Name:Olopatadine Impurity 1
- CAS:66801-40-9
- MF:C15H10O4
- Chemical Name:Paroxetine Impurity 12
- CAS:
- MF:
- Chemical Name:Rivaroxaban Impurity 69 DiHCl
- CAS:
- MF:
- Structure:
- Chemical Name:Sitafloxacin Impurity 5
- CAS:1630983-99-1
- MF:C15H12ClF4NO3
- Chemical Name:Ticagrelor Related Compound 92
- CAS:
- MF:
- Structure:
- Chemical Name:Valsartan Impurity 10
- CAS:1314799-74-0
- MF:C23H29N5O
- Chemical Name:Vonoprazan Impurity 23
- CAS:
- MF:
- Chemical Name:Adefovir Impurity 1
- CAS:
- MF:
- Chemical Name:Bendamustine Impurity G
- CAS:
- MF:
- Chemical Name:Blonanserin Impurity K
- CAS:
- MF:
- Chemical Name:Brexpiprazole Impurity F
- CAS:
- MF:
- Chemical Name:Cefazolin USP Impurity D
- CAS:
- MF:
- Structure:
- Chemical Name:Cefuroxime Impurity 9
- CAS:2165460-37-5
- MF:C8H10N2O4S
- Chemical Name:Everolimus Impurity E
- CAS:
- MF:
- Chemical Name:Peramivir Impurity 3
- CAS:
- MF:
- Chemical Name:Peramivir Impurity 8
- CAS:
- MF:
- Structure:
- Chemical Name:Pitavastatin Impurity 13
- CAS:
- MF:
- Chemical Name:Pramipexole Impurity R
- CAS:
- MF:
- Chemical Name:Tadalafil Impuirty 21
- CAS:
- MF:
- Structure:
- Chemical Name:Abacavir
- CAS:141271-12-7
- MF:C10H14ClN5O
- Chemical Name:Canagliflozin Impurity 42
- CAS:
- MF:
- Structure:
- Chemical Name:Maleic Acid
- CAS:2170020-79-6
- MF:C21H20FN3O6S
- Structure:
- Chemical Name:Ozagrel Impurity 21
- CAS:883942-98-1
- MF:C23H20N2O4
- Structure:
- Chemical Name:Terbutaline Impurity
- CAS:1226543-90-3
- MF:C22H20O4
- Structure:
- Chemical Name:lidocaine impurity
- CAS:1374010-02-2
- MF:C30H36N4O3
- Chemical Name:Desloratadine Impurity 7
- CAS:
- MF:
- Chemical Name:Esomeprazole Impurity 28
- CAS:
- MF:
- Structure:
- Chemical Name:ethyl 2-(3-carbamoyl-4-isobutoxyphenyl)-4-methylthiazole-5- carboxylate
- CAS:1346238-15-0
- MF:C18H22N2O4S
- Structure:
- Chemical Name:Ropivacaine impurity
- CAS:1786518-57-7
- MF:C13H16N2O3
- Structure:
- Chemical Name:Mono Oxidation Sugammadex(Org199425-1)
- CAS:2412953-14-9
- MF:C72H113NaO49S8
- Structure:
- Chemical Name:Moxifloxacin Impurity 40
- CAS:121577-35-3
- MF:C15H16F3NO4
- Structure:
- Chemical Name:sodium 2-(((3,4-dimethoxypyridin-2-yl)methyl)thio)-5- hydroxy-4-sulfonatobenzo[d]imidazol-1-ide
- CAS:
- MF:C15H13N3Na2O6S2
- Structure:
- Chemical Name:Dexmedetomidine-007
- CAS:2240179-63-7
- MF:C13H16N2
- Structure:
- Chemical Name:2-(5-methyl-4-phenylisoxazol-3-yl)benzenesulfonamide
- CAS:2304623-37-6
- MF:C16H14N2O3S
- Structure:
- Chemical Name:4,4′-DIPHENOQUINONE (DQ)
- CAS:494-72-4
- MF:C12H8O2
- Structure:
- Chemical Name:S-(+)-O-DESMETHYL VENLAFAXINE
- CAS:142761-12-4
- MF:C16H25NO2
- Structure:
- Chemical Name:ACETYLSIMVASTATIN
- CAS:145576-25-6
- MF:C27H40O6
- Structure:
- Chemical Name:5-[2-(4'-METHYLBIPHENYL)]TETRAZOLE
- CAS:120568-11-8
- MF:C14H12N4
- Structure:
- Chemical Name:L-2-Aminobutanamide
- CAS:7324-11-0
- MF:C4H10N2O
- Structure:
- Chemical Name:FUROSEMIDE IMPURITY A
- CAS:
- MF:C12H11ClN2O5S
- Chemical Name:GLICLAZIDE IMPURITY F
- CAS:
- MF: