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:Dehydroxy Bisoprolol
- CAS:1217245-60-7
- MF:C18H29NO3
- Structure:
- Chemical Name:6α-Hydroxy Norgestrel
- CAS:87585-03-3
- MF:C21H28O3
- Structure:
- Chemical Name:FaMotidine Acid IMpurity
- CAS:107880-74-0
- MF:C8H12N4O2S2
- Structure:
- Chemical Name:N-Desbutyl-N-propyl BuMetanide
- CAS:28395-28-0
- MF:C16H18N2O5S
- Structure:
- Chemical Name:(1S,2S,3S,4R)-Methyl 3-((R)-1-aMino-2-ethylbutyl)-4-(tert-butoxycarbonylaMino)-2-hydroxycyclopentanecarboxylate
- CAS:316173-29-2
- MF:C18H34N2O5
- Structure:
- Chemical Name:Amoxicillin Related Compound D (50 mg) ((4S)-2-{[(R)-2-amino-2-(4-hydroxyphenyl)acetamido](carboxy)methyl}-5,5-dimethylthiazolidine-4-carboxylic acid, monosodium salt)
- CAS:68728-47-2
- MF:C16H21N3O6S.Na
- Structure:
- Chemical Name:Cyclophosphamide Related Compound D (25 mg) (3-[2-(2-chloroethylamino)ethylamino]propyl dihydrogen phosphate dihydrochloride)
- CAS:158401-51-5
- MF:C7H19Cl2N2O4P
- Structure:
- Chemical Name:3-Quinolinecarboxylic acid, 7-aMino-1-cyclopropyl-6-fluoro-1,4-dihydro-8-Methoxy-4-oxo-
- CAS:172426-88-9
- MF:C14H13FN2O4
- Structure:
- Chemical Name:EsoMeprazole related substance H431/41
- CAS:1227380-90-6
- MF:C16H15N3O4
- Structure:
- Chemical Name:AMpicillin EP IMpurity C
- CAS:49841-96-5
- MF:C16H19N3O4S
- Structure:
- Chemical Name:9β,10α-Pregna-4,6,8(14)-triene-3,20-dione
- CAS:23035-53-2
- MF:C21H26O2
- Structure:
- Chemical Name:N-(3,4-diMethoxyphenethyl)-4-(4-Methoxyphenyl)butan-2-aMine
- CAS:61413-44-3
- MF:C21H29NO3
- Structure:
- Chemical Name:Dabigatran Etexilate iMpurity H
- CAS:1702936-92-2
- MF:C19H20N4O3
- Structure:
- Chemical Name:RebaMipide 3-Chloro IMpurity
- CAS:90098-05-8
- MF:C19H15ClN2O4
- Structure:
- Chemical Name:Solifenacin IMpurity
- CAS:1956436-64-8
- MF:C23H26N2O3
- Structure:
- Chemical Name:Methotrexate γ-Methyl Ester
- CAS:67022-39-3
- MF:C21H24N8O5
- Structure:
- Chemical Name:RebaMipide iMpurity 1
- CAS:100342-53-8
- MF:C18H15ClN2O2
- Structure:
- Chemical Name:7-Chlorobenzo[b]thiophene-3-Methanol
- CAS:142181-53-1
- MF:C9H7ClOS
- Structure:
- Chemical Name:N,5-bis(4-chlorophenyl)-3-iMino-3,5-dihydrophenazin-2-aMine
- CAS:102262-55-5
- MF:C24H16Cl2N4
- Structure:
- Chemical Name:Milnacipran Related Impurity 3
- CAS:19532-98-0
- MF:C10H12N2O2
- Structure:
- Chemical Name:1,1′-Trimethylenedi-theobromine
- CAS:74857-22-0
- MF:C17H20N8O4
- Structure:
- Chemical Name:Salbutamol EP Impurity D
- CAS:
- MF:C13H21NO3
- Structure:
- Chemical Name:Atazanavir EP Impurity G
- CAS:1332981-16-4
- MF:C38H52N6O7
- Chemical Name:Olaparib Impurity G
- CAS:
- MF:
- Structure:
- Chemical Name:Brivaracetam Impurity B
- CAS:943986-67-2
- MF:C11H19NO3
- Chemical Name:Rufinamide Impurity 3
- CAS:
- MF:
- Structure:
- Chemical Name:2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylic acid
- CAS:74936-81-5
- MF:C15H14N2O6
- Structure:
- Chemical Name:Apixaban Impurity 24
- CAS:1928718-22-2
- MF:C26H27N5O4
- Chemical Name:Cisatracurium Besilate impurity
- CAS:
- MF:
- Structure:
- Chemical Name:Azithromycin F
- CAS:612069-26-8
- MF:C38H72N2O13
- Structure:
- Chemical Name:[D-PRO2, D-TRP7,9]-SUBSTANCE P
- CAS:80434-86-2
- MF:C74H106N20O13S
- Structure:
- Chemical Name:ASTRAGALOSIDE
- CAS:17429-69-5
- MF:C28H32O17
- 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: