Reference Substance
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- Structure:
- Chemical Name:1,6-Naphthyridine-3-carboxamide, 4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-
- CAS:2084136-51-4
- MF:C21H20N4O3
- Chemical Name:Ritonavir EP Impurity LNO
- CAS:
- MF:
- Structure:
- Chemical Name:1,6-Naphthyridine-3-carboxamide, 4-(4-cyano-2-methoxyphenyl)-1,4-dihydro-5-methoxy-2,8-dimethyl-
- CAS:2640280-84-6
- MF:C20H20N4O3
- Structure:
- Chemical Name:deoxyfructosazine
- CAS:17460-13-8
- MF:C12H20N2O7
- Structure:
- Chemical Name:3-Hydroxy-4,5-dimethoxybenzoic acid
- CAS:1916-08-1
- MF:C9H10O5
- Structure:
- Chemical Name:CYPERENONE
- CAS:3466-15-7
- MF:C15H22O
- Chemical Name:BOTRYTISCINEREA
- CAS:72882-27-0
- MF:
- Structure:
- Chemical Name:Chikusetsu saponin Ib
- CAS:59252-87-8
- MF:C47H74O18
- Structure:
- Chemical Name:3,5-DIMETHYL 2-CHLORMETHYL PYRIDINE.HCL
- CAS:73590-93-9
- MF:C8H11Cl2N
- Structure:
- Chemical Name:Cetirizine Amide
- CAS:83881-37-2
- MF:C21H26ClN3O2
- Structure:
- Chemical Name:21-Acetoxy-11β-hydroxy-16α,17α-propylmethylenedioxpregna-1,4-diene-3,20-dione
- CAS:51333-05-2
- MF:C27H36O7
- Structure:
- Chemical Name:Dihydro-FK506
- CAS:104987-30-6
- MF:C44H71NO12
- Structure:
- Chemical Name:Dehydro Tizanidine
- CAS:125292-34-4
- MF:C9H6ClN5S
- Structure:
- Chemical Name:α-Ribavirin (Ribavirin Impurity B)
- CAS:57198-02-4
- MF:C8H12N4O5
- Structure:
- Chemical Name:1-(3-BroMopropyl)theobroMine
- CAS:6493-10-3
- MF:C10H13BrN4O2
- Structure:
- Chemical Name:5-(5-Carboxy-2-ethoxyphenyl)-1-Methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyriMidin-7-one
- CAS:147676-78-6
- MF:C18H20N4O4
- Structure:
- Chemical Name:FaMotidine Acid IMpurity Methyl Ester
- CAS:76824-14-1
- MF:C9H14N4O2S2
- Structure:
- Chemical Name:SiMvastatin Hydroxy Acid Ethyl Ester
- CAS:864357-87-9
- MF:C27H44O6
- Structure:
- Chemical Name:Atomoxetine Related Compound B (10 mg) (N-Methyl-3-phenyl-3-(m-tolyloxy)propan-1-amine hydrochloride)
- CAS:873310-28-2
- MF:C17H22ClNO
- Structure:
- Chemical Name:(αR,δS)-4-Fluoro-N-(4-fluorophenyl)-δ-hydroxy-α-[(4-hydroxyphenyl)Methyl]benzenepentanaMide
- CAS:1197811-72-5
- MF:C24H23F2NO3
- Structure:
- Chemical Name:Entacapone EP IMpurity I
- CAS:1364322-42-8
- MF:C13H12N2O6
- Structure:
- Chemical Name:(S)-1-(2-Chloroacetyl)pyrrolidine-2-carboxaMide
- CAS:214398-99-9
- MF:C7H11ClN2O2
- Structure:
- Chemical Name:5-Methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxylic acid hydrochloride
- CAS:720720-96-7
- MF:C8H11ClN2O2S
- Structure:
- Chemical Name:(S)-2-((6-(3-aMinopiperidin-1-yl)-3-Methyl-2,4-dioxo-3,4-dihydropyriMidin-1(2H)-yl)Methyl)benzonitrile
- CAS:1353254-15-5
- MF:C18H25N3O2
- Structure:
- Chemical Name:3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-, 3-[2-[(3,3-diphenylpropyl)methylamino]-1,1-dimethylethyl] 5-propyl ester
- CAS:1797124-83-4
- MF:C38H45N3O6
- Structure:
- Chemical Name:Sildenafil EP IMpurity D
- CAS:1357931-55-5
- MF:C17H20N4O5S
- Structure:
- Chemical Name:TaMsulosin EP IMpurity D
- CAS:1799280-05-9
- MF:C19H26N2O5S
- Structure:
- Chemical Name:Ticagrelor Sulphone
- CAS:1788033-05-5
- MF:C23H28F2N6O4S
- Structure:
- Chemical Name:3-Acetyl-17-deacetyl Rocuronium Bromide
- CAS:1190105-63-5
- MF:C32H53BrN2O4
- Structure:
- Chemical Name:Edoxaban iMpurities
- CAS:1255529-34-0
- MF:C14H27N3O3
- Structure:
- Chemical Name:Empagliflozin Impurity
- CAS:2253771-11-6
- MF:C21H25ClO8
- Structure:
- Chemical Name:Axitinib Impurity c
- CAS:885126-40-9
- MF:C22H18N4OS
- Chemical Name:Nicorandil Impurity
- CAS:
- MF:
- Structure:
- Chemical Name:Acyclovir EP Impurity M
- CAS:91702-60-2
- MF:C12H15N5O5
- Structure:
- Chemical Name:(1S,2R,3R)-Aprepitant
- CAS:1242175-34-3
- MF:C23H21F7N4O3
- Structure:
- Chemical Name:Cefoxitin Impurity 6
- CAS:1422023-32-2
- MF:C16H17N3O7S2
- Structure:
- Chemical Name:Tebipenem pivoxil impurity P6
- CAS:1665289-91-7
- MF:C23H33N3O7S2
- Structure:
- Chemical Name:Rivaroxaban Impurity 28
- CAS:2489689-18-9
- MF:C23H25N3O5
- Structure:
- Chemical Name:2,2'-(disulfanediylbis(methylene))bis(1-(5-methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethylpyridin-4(1H)-one)
- CAS:1803449-02-6
- MF:C32H32N6O4S2
- Structure:
- Chemical Name:Amoxicillin Impurity N
- CAS:
- MF:C16H19N3O5S
- Structure:
- Chemical Name:Olmesartan Impurity 9
- CAS:849206-42-4
- MF:C10H14N2O2
- Structure:
- Chemical Name:5-(2-FLUOROPHENYL)-1-(PYRIDIN-2-YLSULFONYL)-1H-PYRROLE-3-CARBALDEHYDE
- CAS:928324-73-6
- MF:C16H11FN2O3S
- Structure:
- Chemical Name:Butylphthalide impurity
- CAS:685886-82-2
- MF:C12H15KO3
- Structure:
- Chemical Name:Pregabalin Impurity 21
- CAS:1083246-65-4
- MF:C16H32N2O3
- Structure:
- Chemical Name:Dapoxetine-004
- CAS:2245197-07-1
- MF:C30H31NO
- Structure:
- Chemical Name:Dexmedetomidine-004
- CAS:2240179-62-6
- MF:C13H16N2
- Structure:
- Chemical Name:Flurbiprofen Impurity 6
- CAS:124635-86-5
- MF:C18H19FO4
- Structure:
- Chemical Name:Dapagliflozin Impurity 9
- CAS:2305949-36-2
- MF:C15H14ClIO
- Chemical Name:Cilastatin Impurity A
- CAS:
- MF:
- Structure:
- Chemical Name:1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethanol
- CAS:2055542-18-0
- MF:C12H18O5S
- Structure:
- Chemical Name:Metaraminol Bitartrate Impurity 3
- CAS:21480-43-3
- MF:C9H13NO2
- Structure:
- Chemical Name:Avatrombopag Impurity 22
- CAS:570403-14-4
- MF:C31H38Cl2N6O3S2
- Structure:
- Chemical Name:Ipratropium Bromide EP Impurity F Bromide
- CAS:60018-35-1
- MF:C20H28NO2.Br
- Structure:
- Chemical Name:7(4H)-Benzothiazolone, 2-amino-5,6-dihydro-6-(propylamino)-, (6S)-
- CAS:2204518-89-6
- MF:C10H15N3OS
- Structure:
- Chemical Name:(2S,5R)-N-(3-aminopropyloxy)-7-oxo-6-(sulfooxy)-1,6-diazabicyclo[3.2.1]octane-2-carboxamide trifluoroacetic acid salt
- CAS:1572989-40-2
- MF:C12H19F3N4O9S
- Chemical Name:Ritonavir EP Impurity ABC
- CAS:
- MF:
- Structure:
- Chemical Name:1-Cyclohexene-1-carboxylic acid, 5-((3-(3,4-dihydroxyphenyl)-1-oxo-2-p ropenyl)oxy)-3,4-dihydroxy-, (3R-(3alpha,4alpha,5beta))-
- CAS:73263-62-4
- MF:C16H16O8
- Structure:
- Chemical Name:Benzenecarboximidic acid, 4-[3-(aminocarbonyl)-5-ethoxy-1,4-dihydro-2,8-dimethyl-1,6-naphthyridin-4-yl]-3-methoxy-, ethyl ester
- CAS:2640280-83-5
- MF:C23H28N4O4
- Structure:
- Chemical Name:alpha-(3,4-dihydroxyphenyl)lactic acid
- CAS:22681-72-7
- MF:C9H10O5
- Structure:
- Chemical Name:2-AMINO-3,5-DIBROMOBENZYL ALCOHOL
- CAS:50739-76-9
- MF:C7H7Br2NO
- Structure:
- Chemical Name:(R)-Pramipexole
- CAS:104632-28-2
- MF:C10H17N3S
- Structure:
- Chemical Name:Aprepitant-d4
- CAS:1133387-60-6
- MF:C23H17D4F7N4O3
- Structure:
- Chemical Name:(13α,14β,17α,20S)-5α-Lanosta-8,24-dien-3β-ol
- CAS:514-46-5
- MF:C30H50O
- Structure:
- Chemical Name:3-(Bromomethyl)-2-cyclopropyl-4-(4'-fluorophenyl)quinoline
- CAS:154057-56-4
- MF:C19H15BrFN
- Structure:
- Chemical Name:1-[1-(Bromomethyl)ethenyl]-2,4-difluoro-benzene
- CAS:159276-58-1
- MF:C9H7BrF2
- Structure:
- Chemical Name:3-Dechloro-3-broMo Trazodone Hydrochloride
- CAS:1263278-80-3
- MF:C19H23BrClN5O
- Structure:
- Chemical Name:N,N'-Desethylene-N,N'-diforMyl Levofloxacin
- CAS:151377-74-1
- MF:C18H18FN3O6
- Structure:
- Chemical Name:(+)-Fluprostenol
- CAS:54276-17-4
- MF:C23H29F3O6
- Structure:
- Chemical Name:Atorvastatin IMpurity G
- CAS:887324-53-0
- MF:C34H37FN2O5
- Structure:
- Chemical Name:Atorvastatin Impurity 20
- CAS:1016893-70-1
- MF:C14H23NO4
- Structure:
- Chemical Name:EsoMeprazole related substance H193/61
- CAS:784143-42-6
- MF:C18H21N3O3S
- Structure:
- Chemical Name:(6R,7S)-7-[[(2R)-2-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]aMino]-2-(4-hydroxyphenyl)acetyl]aMino]-3-[[(1-Methyl-1H-tetrazol-5-yl)thio]Methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
- CAS:1315481-36-7
- MF:C25H27N9O8S2
- Structure:
- Chemical Name:[6R-[6α,7β(E)]]-7-[[(2-AMino-4-thiazolyl)[(car
- CAS:97164-56-2
- MF:C16H15N5O7S2
- Structure:
- Chemical Name:1-(o-Chloro-α-phenylbenzyl)piperazine
- CAS:109036-15-9
- MF:C17H19ClN2
- Structure:
- Chemical Name:2-AMino-3-(4-broMobenzoyl)benzoic Acid
- CAS:241496-82-2
- MF:C14H10BrNO3
- Structure:
- Chemical Name:2-[(2-FuranylMethyl)sulfinyl]-N-[4-[[4-(1-piperidinylMethyl)-2-pyridinyl]oxy]butyl]acetaMide
- CAS:118288-14-5
- MF:C22H31N3O4S
- Structure:
- Chemical Name:2-[2-(2-Methyl-5-nitroiMidazol-1-yl)ethoxy]ethanol
- CAS:16156-94-8
- MF:C8H13N3O4
- Structure:
- Chemical Name:6-broMo-8-cyclopentyl-5-Methyl-2-(5-(piperazin-1-yl)pyridin-2-ylaMino)pyrido[2,3-d]pyriMidin-7(8H)-one
- CAS:851067-56-6
- MF:C22H26BrN7O
- 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:Pramipexole Impurity Z
- CAS:
- MF:
- Structure:
- Chemical Name:Posacozole Related Compound 2
- CAS:165115-70-8
- MF:C11H10F2O2
- Structure:
- Chemical Name:Carbamic acid, N-[3-fluoro-4-(4-morpholinyl)phenyl]-, 1,1-dimethylethyl ester
- CAS:952680-48-7
- MF:C15H21FN2O3
- Structure:
- Chemical Name:DEXTROMETHORPHAN IMPURITY A
- CAS:58496-77-8
- MF:C17H24BrNO
- Structure:
- Chemical Name:Clotrimazole EP Impurity G
- CAS:289887-34-9
- MF:C23H19ClN2
- Chemical Name:Ampicillin oxidation impurities
- CAS:
- MF:
- Structure:
- Chemical Name:Pregn-16-en-20-one, 3,12-bis(acetyloxy)-, (3β,5α,12α)-
- CAS:5767-82-8
- MF:C25H36O5
- Structure:
- Chemical Name:Heptanoic acid, 7-bromo-2,2-dimethyl-
- CAS:7443-29-0
- MF:C9H17BrO2
- Structure:
- Chemical Name:Benzamide, 3-[[5-chloro-4-(3-pyridinyl)-2-pyrimidinyl]amino]-4-methyl-N-[3-(4-methyl-1H-imidazol-1-yl)-5-(trifluoromethyl)phenyl]-
- CAS:2469039-94-7
- MF:C28H21ClF3N7O
- Structure:
- Chemical Name:methyl N,N,N-trimethyl-4-[(4,7,7-trimethyl-3-oxobicyclo[2.2.1]hept-2-ylidene)methyl]anilinium sulphate
- CAS:52793-97-2
- MF:C21H31NO5S
- Structure:
- Chemical Name:ethyl 4-hydroxy-2-oxopyrrolidine-1-acetate
- CAS:62613-81-4
- MF:C8H13NO4
- Structure:
- Chemical Name:Peganine
- CAS:6159-56-4
- MF:C11H12N2O
- Chemical Name:Nicergoline Impurity 12
- CAS:
- MF:
- Chemical Name:Rosuvastatin Impurity 156
- CAS:
- MF: