Reference Substance
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- Structure:
- Chemical Name:4,5,6,7-Tetrahydro-1-(4-methoxyphenyl)-6-[4-(5-methyl-2-oxo-1-piperidinyl)phenyl]-7-oxo-1H-pyrazolo[3,4-c]pyridine-3-carboxamide
- CAS:1686149-74-5
- MF:C26H27N5O4
- Structure:
- Chemical Name:N-((4-(5-Methyl-3-phenylisoxazol-4-yl)phenyl)sulfonyl)isobutyraMide
- CAS:198470-82-5
- MF:C20H20N2O4S
- Structure:
- Chemical Name:BroMocriptine IMpurity E
- CAS:2492-53-7
- MF:C16H16BrN3O
- Structure:
- Chemical Name:Cefazolin SodiuM iMpurity G
- CAS:1172998-53-6
- MF:C11H10N6O4S
- Structure:
- Chemical Name:Naphazoline IMpurity D
- CAS:22126-67-6
- MF:C14H14N2
- Structure:
- Chemical Name:19-Epi FK-506
- CAS:144490-63-1
- MF:C44H69NO12
- Structure:
- Chemical Name:4-(6,8-Dibromo-3(4H)-quinazolinyl)-cyclohexanol
- CAS:1797894-71-3
- MF:C14H16Br2N2O
- Structure:
- Chemical Name:(R)-1-(3-Ethoxy-4-Methoxyphenyl)-2-(Methylsulfonyl)ethylaMine
- CAS:608142-27-4
- MF:C12H19NO4S
- Chemical Name:Tadalafil EP IMpurity G
- CAS:
- MF:
- Structure:
- Chemical Name:(8β)-9,10-Didehydro-8-[[[(1,1-diMethylethyl)diMethylsilyl]oxy]Methyl]-6-Methylergoline
- CAS:1075250-72-4
- MF:C22H32N2OSi
- Structure:
- Chemical Name:6”-O-xylosyl-glycitin
- CAS:231288-18-9
- MF:C27H30O14
- Structure:
- Chemical Name:Riboflavin-[13C4,15N2] (Vitamin B2-[13C4,15N2])
- CAS:1217461-14-7
- MF:C17H20N4O6
- Structure:
- Chemical Name:Apixaban Related Compound 4
- CAS:99585-01-0
- MF:C6H10Cl2O
- Structure:
- Chemical Name:Bifendate Impurity A
- CAS:1181519-47-0
- MF:C21H19N5O2S
- Structure:
- Chemical Name:6,6-DIBROMOPENICILLANIC ACID
- CAS:24158-88-1
- MF:C8H9Br2NO3S
- Structure:
- Chemical Name:Tetrabenazine Related Impurity 3
- CAS:19328-35-9
- MF:C19H27NO3
- Structure:
- Chemical Name:Pitavastatin Impurity 8
- CAS:1044518-75-3
- MF:C13H22O5
- Structure:
- Chemical Name:N-(2-butyl-3-(4-(3-(dibutylamino)propoxy)-benzoyl)benzofuran-5-yl)-N-(methylsulfonyl)methanesulfonamide
- CAS:141626-57-5
- MF:C32H46N2O7S2
- Structure:
- Chemical Name:Ziprasidone QT
- CAS:884305-07-1
- MF:C21H19ClN4O2S
- Chemical Name:Olaparib Impurity B
- CAS:
- MF:
- Structure:
- Chemical Name:Posaconazole Impurity 17
- CAS:171228-51-6
- MF:C37H42F2N8O4
- Structure:
- Chemical Name:Procyanidin A3
- CAS:86631-39-2
- MF:C75H62O30
- Chemical Name:AcarBose EP Impurity C
- CAS:
- MF:
- Structure:
- Chemical Name:Metronidazole Impurity 10
- CAS:56750-04-0
- MF:C7H11N3O3
- Structure:
- Chemical Name:ethyl (4-((2-(methylcarbamoyl)pyridin-4-yl)oxy)phenyl)carbamate
- CAS:
- MF:C16H17N3O4
- Structure:
- Chemical Name:Paroxetine Impurity 5
- CAS:100332-20-5
- MF:C13H18FNO
- Structure:
- Chemical Name:(8S,9R,10S,13S,14S,17R)-17-acetyl-10,13-dimethyl-1,2,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-one
- CAS:246038-13-1
- MF:C21H28O2
- Structure:
- Chemical Name:(5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl) methanol
- CAS:2169271-28-5
- MF:C16H13FN2O3S
- Structure:
- Chemical Name:Cefprozil EP Impurity G
- CAS:
- MF:C18H19N3O5S
- Chemical Name:Olaparib Impurity K
- CAS:
- MF:
- Structure:
- Chemical Name:Ozagrel
- CAS:78712-80-8
- MF:C15H16N2O2
- Structure:
- Chemical Name:Ozagrel
- CAS:78712-80-8
- MF:C15H16N2O2
- Structure:
- Chemical Name:Oseltamivir EP Impurity E HCl
- CAS:208720-78-9
- MF:C15H27ClN2O4
- Structure:
- Chemical Name:Carbocisteine Impurity 4
- CAS:118573-75-4
- MF:C5H7NO4S
- Structure:
- Chemical Name:Regadenoson Impurity 3
- CAS:1423073-21-5
- MF:C15H17N7O6
- Chemical Name:Axitinib Impurity 20
- CAS:
- MF:
- Structure:
- Chemical Name:Descladinose 6-N-Desmethyl Azithromycin
- CAS:111247-94-0
- MF:C29H56N2O9
- Structure:
- Chemical Name:Benazepril EP Impurity D
- CAS:112110-48-2
- MF:C24H28N2O5
- Structure:
- Chemical Name:2-(tert-butylamino)-1-(4-ethoxy-3-(hydroxymethyl)phenyl)ethanol
- CAS:2387728-91-6
- MF:C15H25NO3
- Structure:
- Chemical Name:Mizolastine Impurity 8
- CAS:935860-12-1
- MF:C25H27FN6O
- Structure:
- Chemical Name:Apixaban Impurity TTQ
- CAS:2413365-22-5
- MF:C20H23N3O3
- Structure:
- Chemical Name:Imidazol-1-yl-acetic acid
- CAS:22884-10-2
- MF:C5H6N2O2
- Structure:
- Chemical Name:MBM-17S
- CAS:2083621-91-2
- MF:C32H34N6O6
- Structure:
- Chemical Name:Brivaracetam Impurity 3
- CAS:2432911-32-3
- MF:C15H27N3O3
- Structure:
- Chemical Name:Thailanstatin A
- CAS:1426953-21-0
- MF:C28H41NO9
- Structure:
- Chemical Name:2-Thiazolamine, 4-(4,5-dichloro-2-thienyl)-
- CAS:959042-70-7
- MF:C7H4Cl2N2S2
- Structure:
- Chemical Name:2H-Cyclopenta[b]furan-2-one, hexahydro-5-hydroxy-4-[(1E,3S)-3-hydroxy-4-[3-(trifluoromethyl)phenoxy]-1-buten-1-yl]-, (3aR,4R,5R,6aS)-
- CAS:1415385-39-5
- MF:C18H19F3O5
- Structure:
- Chemical Name:1H-Imidazole-1-propanol, β-chloro-2-methyl-5-nitro-
- CAS:1826157-12-3
- MF:C7H10ClN3O3
- Structure:
- Chemical Name:Ergoline-8-methanol, 10-methoxy-1,6-dimethyl-, 8-(5-bromo-3-pyridinecarboxylate), (8α)-
- CAS:58001-19-7
- MF:C24H26BrN3O3
- Chemical Name:Peramivir Dehydration Deacetylation Impurity
- CAS:
- MF:
- Chemical Name:Piperacillin Impurity S(EP)
- CAS:
- MF:
- Structure:
- Chemical Name:Curcumenol
- CAS:19431-84-6
- MF:C15H22O2
- Structure:
- Chemical Name:Cephalonium lactone
- CAS:10590-10-0
- MF:C14H12N2O4S2
- Structure:
- Chemical Name:Sildenafil Chlorosulfonyl
- CAS:139756-22-2
- MF:C17H19ClN4O4S
- Structure:
- Chemical Name:23,27-Epoxy-1H,3H-pyrrolo2,1-c1,4oxaazacyclohentriacontine-1,5,11,28,29(4H,6H)-pentone, 9,10,12,13,14,21,22,23,24,25,26,27,31,32,33,33a-hexadecahydro-9,27-dihydroxy-3-(1R)-2-(1S,3R,4R)-4-hydroxy-3-methoxycyclohexyl-1-methylethyl-10,21-dimethoxy-6,8,12,14,
- CAS:156223-31-3
- MF:C50H77NO13
- Structure:
- Chemical Name:Erythromycin, 14-hydroxy-6-O-methyl-
- CAS:110671-78-8
- MF:C38H69NO14
- Structure:
- Chemical Name:N-Benzoyl-DL-arginine-4-nitroanilide hydrochloride
- CAS:911-77-3
- MF:C19H23ClN6O4
- Chemical Name:Complete set of amoxicillin impurities
- CAS:
- MF:
- Structure:
- Chemical Name:Chitotriose 3HCl
- CAS:41708-93-4
- MF:C18H35N3O13
- Chemical Name:OPIACE reference substance
- CAS:
- MF:
- Chemical Name:OPIACE reference substance
- CAS:
- MF:
- Structure:
- Chemical Name:amphotericin A
- CAS:1405-32-9
- MF:C47H75NO17
- Structure:
- Chemical Name:spantide II
- CAS:129176-97-2
- MF:C86H104Cl2N18O13
- Structure:
- Chemical Name:Phenol, 4,4′-sulfonylbis-, Polymer mit 1,1′-Oxibis[2-chlorethan], EO 2-12 mol (75 % EO 2-6 mol)
- CAS:191680-83-8
- MF:(C12H10O4S.C4H8Cl2O)x
- Structure:
- Chemical Name:(6R,7R)-7-Amino-3-[(5-methyl-2H-tetrazol-2-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
- CAS:82549-51-7
- MF:C10H12N6O3S
- Structure:
- Chemical Name:Boceprevir InterMediates
- CAS:565456-77-1
- MF:C9H16ClNO2
- Structure:
- Chemical Name:Aids004768
- CAS:145986-07-8
- MF:C8H10N2O4S
- Structure:
- Chemical Name:Dimethyl 4-(2-Chlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
- CAS:43067-01-2
- MF:C17H18ClNO4
- Structure:
- Chemical Name:ethyl 1-(4-methoxyphenyl)-6-(4-nitrophenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
- CAS:536759-91-8
- MF:C22H20N4O6
- Structure:
- Chemical Name:Pregna-4,14-diene-3,20-dione
- CAS:24377-08-0
- MF:C21H28O2
- Structure:
- Chemical Name:cis-Terbinafine Hydrochloride
- CAS:176168-78-8
- MF:C21H26ClN
- Structure:
- Chemical Name:Clindamycin B
- CAS:18323-43-8
- MF:C17H31ClN2O5S
- Structure:
- Chemical Name:(3β,20S)-20-Formyl-3-hydroxy-5-pregnene 3-O-Acetate
- CAS:10211-88-8
- MF:C24H36O3
- Structure:
- Chemical Name:3-Desacetyl CefotaxiMe Lactone
- CAS:66340-33-8
- MF:C14H13N5O5S2
- Structure:
- Chemical Name:3''-HABA KanaMycin A
- CAS:50725-25-2
- MF:C22H43N5O13
- Structure:
- Chemical Name:21-Dehydro Budesonide
- CAS:85234-63-5
- MF:C25H32O6
- Structure:
- Chemical Name:Levalbuterol Related Compound B (20 mg) (alpha-[{(1,1-Dimethylethyl)amino}methyl]-4-hydroxy-3-methyl-benzenemethanol)
- CAS:18910-68-4
- MF:C13H21NO2
- Structure:
- Chemical Name:3-O-De(2,6-dideoxy-3-C-Methyl-3-O-Methyl-α-L-ribo-hexopyranosyl)-8,9,10,11-tetradehydro-9-deoxo-11,12-dideoxy-9,12-epoxy-6-O-MethylerythroMycin
- CAS:127157-35-1
- MF:C30H51NO8
- Structure:
- Chemical Name:7-(4-BroMobenzoyl)-
- CAS:241825-88-7
- MF:C15H8BrNO3
- Structure:
- Chemical Name:Valdecoxib IMpurity B
- CAS:1373038-60-8
- MF:C32H25N3O6S2
- Structure:
- Chemical Name:2-(((4-(3-methoxypropoxy)-3-methylpyridin-2-yl)methyl)thio)-1H-benzo[d]imidazole
- CAS:
- MF:C18H21N3O2S
- Chemical Name:bortezoMib iMpurity C
- CAS:
- MF:
- Chemical Name:cefotaxiMe IMpurity F
- CAS:
- MF:
- Structure:
- Chemical Name:5-ForMyl-2-Methoxy-benzenesulfonaMide
- CAS:105764-07-6
- MF:C8H9NO4S
- Structure:
- Chemical Name:3'-Desethoxy-drotaverine
- CAS:85475-88-3
- MF:C22H27NO4
- Structure:
- Chemical Name:8-EpitacroliMus
- CAS:129212-35-7
- MF:C44H69NO12
- Structure:
- Chemical Name:Xylohexaose
- CAS:49694-21-5
- MF:C30H50O25
- Structure:
- Chemical Name:Avibactam INT 1
- CAS:1416134-48-9
- MF:C17H24N2O7
- Structure:
- Chemical Name:(1S,3R,4S)-4-(2-((5-chloropyridin- 2-yl)amino)-2-oxoacetamido)-3-(5-methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxamido)cyclohexane-1-carboxylic acid
- CAS:834919-19-6
- MF:C22H25ClN6O5S
- Structure:
- Chemical Name:Iguratimod Impurity 10
- CAS:149456-97-3
- MF:C18H20N2O6S
- Structure:
- Chemical Name:Valsartan Impurity 32
- CAS:152708-24-2
- MF:C14H11N7
- Structure:
- Chemical Name:Apremilast Impurity 28
- CAS:1802246-60-1
- MF:C30H27N3O9S
- Structure:
- Chemical Name:(2R,4R)-4-methyl-1-(((3-methylquinolin-8-yl)sulfonyl)-L-arginyl)piperidine-2-carboxylic acid
- CAS:951130-92-0
- MF:C23H32N6O5S
- Structure:
- Chemical Name:Minodronic Acid Impurity 2
- CAS:127657-45-8
- MF:C9H12N2O7P2
- Structure:
- Chemical Name:isopropyl ((S)-((((R)-1-(6-amino-9H-purin-9-yl)propan-2-yl)oxy)methyl)(phenoxy)phosphoryl)-D-alaninate
- CAS:2053424-82-9
- MF:C21H29N6O5P
- Structure:
- Chemical Name:Apixaban Impurity BMS-591329
- CAS:2029205-64-7
- MF:C24H22ClN5O3
- Chemical Name:Dapagliflozin Impurity 21
- CAS:
- MF:
- Structure:
- Chemical Name:Regorafenib impurity H
- CAS:2141961-84-2
- MF:C15H14FN3O3
- Chemical Name:Cefditoren Pivoxil Dimer
- CAS:
- MF:
- Structure:
- Chemical Name:UFFLDXFQXNYZLF-BHRSBNONSA-N
- CAS:2084828-53-3
- MF:C52H61N7O8S2