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Structure Chemical Name CAS MF
4-Nitrophenyl 5-chlorothiophene-2-carboxylate 4-Nitrophenyl 5-chlorothiophene-2-carboxylate 1450877-56-1 C11H6ClNO4S
Olaparib iMpurity B Olaparib iMpurity B
Posaconazole iMpurity 6 Posaconazole iMpurity 6 2185472-85-7 C30H35N5O3
Everolimus Isomer C Everolimus Isomer C
3-Deschloro-4-Desfluoro-4-Chloro-3-Fluorogefitinib 3-Deschloro-4-Desfluoro-4-Chloro-3-Fluorogefitinib 1603814-04-5 C22H24ClFN4O3
Brivaracetam (Racemate) Brivaracetam (Racemate) 357335-87-6 C11H20N2O2
Donepezil Impurity 2 Donepezil Impurity 2 36517-91-6 C11H10O4
Fesoterodine Related Impurity 2 Fesoterodine Related Impurity 2 1254942-29-4 C30H39NO6
Prasugrel Impurity 13 HCl Prasugrel Impurity 13 HCl 1618108-01-2 C18H19ClFNOS
Ticagrelor Related Compound 5 Ticagrelor Related Compound 5 1414348-35-8 C9H9F2N
Vortioxetine Impurity 2 Vortioxetine Impurity 2 1293489-69-6 C17H20N2S
(S)-2-(2-(5-chloro-N-(4-(5-((5-chlorothiophene-2-carboxamido)methyl)-2-oxooxazolidin-3-yl)phenyl)thiophene-2-carboxamido)ethoxy)acetic acid (S)-2-(2-(5-chloro-N-(4-(5-((5-chlorothiophene-2-carboxamido)methyl)-2-oxooxazolidin-3-yl)phenyl)thiophene-2-carboxamido)ethoxy)acetic acid 1151893-81-0 C24H21Cl2N3O7S2
Cilastatin ammonium salt Cilastatin ammonium salt 877674-82-3 C16H29N3O5S
ACETIC ACID 2-METHOXY-4-(5-OXO-2-PHENYL-OXAZOL-4-YLIDENEMETHYL)-PHENYL ESTER ACETIC ACID 2-METHOXY-4-(5-OXO-2-PHENYL-OXAZOL-4-YLIDENEMETHYL)-PHENYL ESTER 18692-68-7 C19H15NO5
1,4-di(benzo[b]thiophen-4-yl)piperazine 1,4-di(benzo[b]thiophen-4-yl)piperazine 1420987-86-5 C20H18N2S2
(2S,4S)-5-(Biphenyl-4-yl)-4-[(tert-butoxycarbonyl)amino]-2-methylpentanoic acid (2S,4S)-5-(Biphenyl-4-yl)-4-[(tert-butoxycarbonyl)amino]-2-methylpentanoic acid 1012341-52-4 C23H29NO4
DONEPEZIL IMP DONEPEZIL IMP 923571-16-8 C24H22NO4.Cl
Parecoxib Impurity N Parecoxib Impurity N
5-[bis-(2-Chloroethyl)amino]-1-methyl-1H-benzimidazole-2-butanoic acid ethyl ester 5-[bis-(2-Chloroethyl)amino]-1-methyl-1H-benzimidazole-2-butanoic acid ethyl ester 87475-54-5 C18H25Cl2N3O2
(R)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinoline (R)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinoline 85-63-2 C21H27NO4
Linagliptin Impurity P Linagliptin Impurity P
Linagliptin Impurity U Linagliptin Impurity U
(R)-2-((6-(3-aminopiperidin-1-yl)-3-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)methyl)-4-fluorobenzoic acid (R)-2-((6-(3-aminopiperidin-1-yl)-3-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)methyl)-4-fluorobenzoic acid 1917324-15-2 C18H21FN4O4
N1,N4-bis((R)-1-(3-(2-cyano-5-fluorobenzyl)-1-methyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)piperidin-3-yl)succinamide N1,N4-bis((R)-1-(3-(2-cyano-5-fluorobenzyl)-1-methyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)piperidin-3-yl)succinamide C40H42F2N10O6
ethyl ((1R,3aR,4aR,6S,8aR,9S,9aS)-9-((E)-2-(5-(3-fluorophenyl)pyridin-2-yl)vinyl)-1-methyl-3-oxododecahydronaphtho[2,3-c]furan-6-yl)carbamate ethyl ((1R,3aR,4aR,6S,8aR,9S,9aS)-9-((E)-2-(5-(3-fluorophenyl)pyridin-2-yl)vinyl)-1-methyl-3-oxododecahydronaphtho[2,3-c]furan-6-yl)carbamate 618385-10-7 C29H33FN2O4
(2R)-2-deoxy-2-fluoro-2-methyl-α/β-D-erythro-pentofuranosyl chloride-3,5-dibenzoate (2R)-2-deoxy-2-fluoro-2-methyl-α/β-D-erythro-pentofuranosyl chloride-3,5-dibenzoate 1621160-31-3 C20H18ClFO5
Etoricoxib Impurity 17 Etoricoxib Impurity 17
Ibrutinib Impurity 3 Ibrutinib Impurity 3 1226872-27-0 C25H26N6O4
Imatinib Impurity 2 Imatinib Impurity 2 1384131-91-2 C7H11NO
Mirabegron M5 (YM-538852) Mirabegron M5 (YM-538852) 1365244-63-8 C18H22N2O2
Sofosbuvir Impurity 6 Sofosbuvir Impurity 6
Vonoprazan Impurity 2 Vonoprazan Impurity 2 881733-36-4 C17H16FN3O2S
Atomoxetine EP impurity A Atomoxetine EP impurity A 56161-70-7 C16H19NO
Cinacalcet Impurity 21 Cinacalcet Impurity 21
Dasatinib Impurity D Dasatinib Impurity D
Doxofylline Impurity 1 Doxofylline Impurity 1 1429636-74-7 C10H16N4O3
Isopropyl4-hydroxy-3,5-diisopropylbenzoate Isopropyl4-hydroxy-3,5-diisopropylbenzoate 2095678-97-8 C16H24O3
Sitagliptin EP Impurity B Sitagliptin EP Impurity B 1345822-87-8 C16H19F5N5O5P
Trospium Impurity Trospium Impurity
Vildagliptin Related Compound A Vildagliptin Related Compound A 741657-02-3 C17H25N3O
2-amino-9-((1R,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1,9-dihydro-6H-purin-6-one hydrate 2-amino-9-((1R,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1,9-dihydro-6H-purin-6-one hydrate 1367369-78-5 C12H15N5O3
Moxifloxacin Impurity 6 Moxifloxacin Impurity 6 849770-49-6 C25H29BFN3O8
Sitafloxacin Impurity A Sitafloxacin Impurity A 500295-83-0 C16H16FN3O3
1-benzylpiperidin-4-yl [1,1'-biphenyl]-2-ylcarbamate 1-benzylpiperidin-4-yl [1,1'-biphenyl]-2-ylcarbamate 171723-80-1 C25H26N2O2
Merariveron impurity C Merariveron impurity C
Cefazoline Impurity A Cefazoline Impurity A
Rifaximin impurity A Rifaximin impurity A
4,5,6,7-Tetrahydro-thieno[3,2-c]pyridin-2-ol 2-acetate 4,5,6,7-Tetrahydro-thieno[3,2-c]pyridin-2-ol 2-acetate 1151904-85-6 C9H11NO2S
ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate 110548-06-6 C15H13F2NO4
methyl (Z)-3-(((4-(2-(4-(2-((4-((((Z)-6-(methoxymethyl)-2-oxoindolin-3-ylidene)(phenyl)methyl)amino)phenyl)(methyl)amino)-2-oxoethyl)piperazin-1-yl)-N-methylacetamido)phenyl)amino)(phenyl)methylene)-2-oxoindoline-6-carboxylate methyl (Z)-3-(((4-(2-(4-(2-((4-((((Z)-6-(methoxymethyl)-2-oxoindolin-3-ylidene)(phenyl)methyl)amino)phenyl)(methyl)amino)-2-oxoethyl)piperazin-1-yl)-N-methylacetamido)phenyl)amino)(phenyl)methylene)-2-oxoindoline-6-carboxylate 2097505-01-4 C56H54N8O7
Roxithromycin EP Impurity J Roxithromycin EP Impurity J 134834-12-1 C40H73ClN2O14
Venlafaxine D6 Venlafaxine D6 940297-06-3 C17H27NO2
Levosimendan Impurity 3 Levosimendan Impurity 3
Sofosbuvir Impurity29 Sofosbuvir Impurity29
Levosimendan Impurity 1 Levosimendan Impurity 1 1643439-59-1 C22H23N7O2
Atomoxetine EP Impurity F Atomoxetine EP Impurity F
Quetiapine EP Impurity Q Quetiapine EP Impurity Q
Cefoxitin Impurity Cefoxitin Impurity
ethyl (S)-6,7,8-trifluoro-1-(1-hydroxypropan-2-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylate ethyl (S)-6,7,8-trifluoro-1-(1-hydroxypropan-2-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylate 110548-03-3 C15H14F3NO4
ACT 373898 ACT 373898 1433875-14-9 C15H17BrN4O5S
Olaparib Impurity D Olaparib Impurity D
1-methylpyrrolidin-3-yl 2-(cyclopentyloxy)-2-phenylacetate 1-methylpyrrolidin-3-yl 2-(cyclopentyloxy)-2-phenylacetate C18H25NO3
Cabozantinib impurity A Cabozantinib impurity A
Loratadine Impurity 2 Loratadine Impurity 2 C22H23ClN2O2
Metoprolol Impurity 1 Metoprolol Impurity 1 C15H25NO3
Pitavastatin Impurity 1 Pitavastatin Impurity 1
Trifluridine Impurity 3 Trifluridine Impurity 3
Vonoprazan Impurity 1 Vonoprazan Impurity 1
Vonoprazan Impurity 4 Vonoprazan Impurity 4
Cinacalcet impurity K Cinacalcet impurity K
Valsartan Impurity 13 Valsartan Impurity 13 C24H29N5O3
Valsartan Impurity 27 Valsartan Impurity 27 C24H29N5O3
Etoricoxib Impurity 6 Etoricoxib Impurity 6
Ezetimibe impurity 3 Ezetimibe impurity 3
bis(1-benzylpiperidin-3-yl) 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate bis(1-benzylpiperidin-3-yl) 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate 166808-97-5 C16H16N2O6
Ticagrelor Imp.J Ticagrelor Imp.J 2248538-63-6 C14H20ClN5O4S
Vortioxetine Imp.E Vortioxetine Imp.E 508233-77-0 C18H22N2S
(3R,4S)-1-(4-fluorophenyl)-3-((S)-3-hydroxy-3-(p-tolyl)propyl)-4-(4-hydroxyphenyl)azetidin-2-one (3R,4S)-1-(4-fluorophenyl)-3-((S)-3-hydroxy-3-(p-tolyl)propyl)-4-(4-hydroxyphenyl)azetidin-2-one 1700622-07-6 C25H24FNO3
Topiroxostat Impurity 1 Topiroxostat Impurity 1
Oxcarbazepine Impurity3 Oxcarbazepine Impurity3
Mosapride IMP Mosapride IMP
4-Ethoxy Paroxetine 4-Ethoxy Paroxetine 606968-04-1 C21H25NO4
Methylene-Bis Paroxetine Methylene-Bis Paroxetine 1292846-10-6 C39H40F2N2O6
Trelagliptin Impurity X Trelagliptin Impurity X 1938080-44-4 C18H22FN5O3
Cefoxitin Sodium impurity Cefoxitin Sodium impurity
2-{[(methoxycarbonylmethyl)(toluene-4-sulfonyl)amino]methyl}-4-phenoxybenzoic acid methyl ester 2-{[(methoxycarbonylmethyl)(toluene-4-sulfonyl)amino]methyl}-4-phenoxybenzoic acid methyl ester 1455091-06-1 C25H25NO7S
(1R,3S)-(3-Aminocyclopentyl) methanol (1R,3S)-(3-Aminocyclopentyl) methanol 117957-62-7 C6H13NO
Canagliflozin Impurity 12 Canagliflozin Impurity 12
Canagliflozin Impurity G Canagliflozin Impurity G
Dolutegravir Impurity 1 Dolutegravir Impurity 1
Empagliflozin impurity F Empagliflozin impurity F
Ibrutinib Impurity 12 Ibrutinib Impurity 12
Nintedanib impurity J Nintedanib impurity J 1139457-10-5 C23H17N3O5
DSKNHVUKATXSCQ-GDVCOKDOSA-N DSKNHVUKATXSCQ-GDVCOKDOSA-N 188915-50-6 C14H14ClN3O4S
Clarthromycin EP Impurity B Clarthromycin EP Impurity B 299409-85-1 C37H67NO13
(4-Chloro-3-trifluoromethyl-phenyl)-carbamic acid tert-butyl ester (4-Chloro-3-trifluoromethyl-phenyl)-carbamic acid tert-butyl ester 352277-93-1 C12H13ClF3NO2
Edoxaban Impurity 16 Edoxaban Impurity 16 480450-69-9 C14H25N5O3
Rivaroxaban Impurity 24 Rivaroxaban Impurity 24
Ticagrelor Ticagrelor 1265919-24-1 C12H21NO5
Clindamycin (2R-cis)-Diastereomer Clindamycin (2R-cis)-Diastereomer 1440605-46-8 C18H33ClN2O5S
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