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Structure Chemical Name CAS MF
Trelagliptin Impurity isomer Trelagliptin Impurity isomer 2206135-35-3 C18H20FN5O2
(2R,3R,4R,5S,6R)-2-(4-chloro-3-(4-ethoxybenzyl)phenyl)-6-(hydroxyMethyl)tetrahydro-2H-pyran-3,4,5-triol (2R,3R,4R,5S,6R)-2-(4-chloro-3-(4-ethoxybenzyl)phenyl)-6-(hydroxyMethyl)tetrahydro-2H-pyran-3,4,5-triol C21H25ClO6
3,6-Dichloropyrazine-2-carboxaMide 3,6-Dichloropyrazine-2-carboxaMide 1023813-21-9 C5H3Cl2N3O
N-acetic acid-1-aMino-3-adaMantanol N-acetic acid-1-aMino-3-adaMantanol 1032564-18-3 C12H19NO3
9(10H)-Acridinone, 2-ethoxy-6-nitro- 9(10H)-Acridinone, 2-ethoxy-6-nitro- 451460-48-3 C15H12N2O4
Olaparib iMpurity D Olaparib iMpurity D
(5-broMo-2-chlorophenyl)(4-hydroxyphenyl)Methanone (5-broMo-2-chlorophenyl)(4-hydroxyphenyl)Methanone 1360568-68-8 C13H8BrClO2
(2-broMo-4,5-diMethylphenyl)Methanol (2-broMo-4,5-diMethylphenyl)Methanol 1126385-20-3 C9H11BrO
Posaconazole iMpurity 8 Posaconazole iMpurity 8
Dehydro Benidipine Dehydro Benidipine 118935-44-7 C28H29N3O6
Etoposide Impurity B Etoposide Impurity B 100007-56-5 C29H32O13
Istradefylline Impurity 2 Istradefylline Impurity 2 606080-73-3 C20H24N4O4
Oxonic Acid Impurity 1 Oxonic Acid Impurity 1 60301-55-5 C3H3N3O2
Vortioxetine Impurity 4 Vortioxetine Impurity 4 1293489-77-6 C18H22N2S
Zidovudine USP Impurity G Zidovudine USP Impurity G 148665-49-0 C20H25N7O8
Quinoline, 6,7-dimethoxy-4-(4-nitrophenoxy)- Quinoline, 6,7-dimethoxy-4-(4-nitrophenoxy)- 190728-24-6 C17H14N2O5
Itopride Impurity A Itopride Impurity A 943518-63-6 C16H17NO4
Natrium-1-methyl-1H-tetrazol-5-thiolat Natrium-1-methyl-1H-tetrazol-5-thiolat 51138-06-8 C2H3N4NaS
5-HYDROXY LANSOPRAZOLE 5-HYDROXY LANSOPRAZOLE 131926-98-2 C16H14F3N3O3S
Ticagrelor Impurity N Ticagrelor Impurity N 1643378-47-5 C23H29FN6O4S
carbamic acid, n-[(1r,2r,5s)-5-[(dimethylamino)carbonyl]-2-hydroxycyclohexyl]-, 1,1-dimethylethyl ester carbamic acid, n-[(1r,2r,5s)-5-[(dimethylamino)carbonyl]-2-hydroxycyclohexyl]-, 1,1-dimethylethyl ester 929693-30-1 C14H26N2O4
Valaciclovir iMpurity Valaciclovir iMpurity
Erlotinib hydrochloride Impurity C Erlotinib hydrochloride Impurity C
Linagliptin Impurity B Linagliptin Impurity B
Parecoxib Impurity A Parecoxib Impurity A
Parecoxib Impurity F Parecoxib Impurity F
2-(4-Benzhydrylpiperazino)ethyl acetoacetate 2-(4-Benzhydrylpiperazino)ethyl acetoacetate 89226-49-3 C23H28N2O3
Cycloocta[b]pyridine, 4-(4-fluorophenyl)-5,6,7,8,9,10-hexahydro-2-(1-piperazinyl)- Cycloocta[b]pyridine, 4-(4-fluorophenyl)-5,6,7,8,9,10-hexahydro-2-(1-piperazinyl)- 132811-84-8 C21H26FN3
Linagliptin Impurity W Linagliptin Impurity W
(R)-4-fluoro-2-((3-methyl-2,4-dioxo-6-(piperidin-3-ylamino)-3,4-dihydropyrimidin-1(2H)-yl)methyl)benzonitrile (R)-4-fluoro-2-((3-methyl-2,4-dioxo-6-(piperidin-3-ylamino)-3,4-dihydropyrimidin-1(2H)-yl)methyl)benzonitrile C18H20FN5O2
1-cyclopropyl-6-fluoro-8-methoxy-7-((4aS,7aS)-octahydro-1H-pyrrolo[3,4-b]pyridin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid 1-cyclopropyl-6-fluoro-8-methoxy-7-((4aS,7aS)-octahydro-1H-pyrrolo[3,4-b]pyridin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid C21H24FN3O4
ethyl 1-cyclopropyl-7-fluoro-6,8-dimethoxy-4-oxo-1,4-dihydroquinoline-3-carboxylate ethyl 1-cyclopropyl-7-fluoro-6,8-dimethoxy-4-oxo-1,4-dihydroquinoline-3-carboxylate C17H18FNO5
Dapagliflozin Impurity 1 Dapagliflozin Impurity 1
Ibrutinib Impurity 5 Ibrutinib Impurity 5
Imatinib Impurity 4 Imatinib Impurity 4 942514-62-7 C30H33N7O
Macitentan Impurity 2 Macitentan Impurity 2 2211054-90-7 C10H8Br2N4O2
(R)-2-amino-4-(2-((4-(2-((2-hydroxy-2-phenylethyl)amino)ethyl) phenyl)amino)-2-oxoethyl)thiazole 3-oxide (R)-2-amino-4-(2-((4-(2-((2-hydroxy-2-phenylethyl)amino)ethyl) phenyl)amino)-2-oxoethyl)thiazole 3-oxide 1884646-38-1 C21H24N4O3S
Nilotinib Impurity 7 Nilotinib Impurity 7 2119583-26-3 C27H20F3N7O
Regorafenib Impurity 1 Regorafenib Impurity 1
Regorafenib Impurity 6 Regorafenib Impurity 6 1187945-05-6 C20H12ClF4N3O4
Sofosbuvir Impurity 9 Sofosbuvir Impurity 9
Venlafaxine N-Oxide Impurity Venlafaxine N-Oxide Impurity 1021933-95-8 C16H25NO3
Vonoprazan Impurity 4 Vonoprazan Impurity 4
Vortioxetine Impurity 25 Vortioxetine Impurity 25 1639263-80-1 C18H22N2O2S
Cinacalcet Impurity B Cinacalcet Impurity B 66469-40-7 C19H19N
Dapagliflozin Impurity D Dapagliflozin Impurity D 2133407-75-5 C21H25ClO6
Escitalopram Impurity Escitalopram Impurity 91283-87-3 C18H14FNO3
Furosemide Imp.(EP) Furosemide Imp.(EP)
Nifuratel Impurity Nifuratel Impurity 167103-07-3 C6H5N3O4
Vinpocetine Impurity Vinpocetine Impurity 102341-40-2 C19H23N3O
2-amino-9-((1R,3S,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1,9-dihydro-6H-purin-6-one 2-amino-9-((1R,3S,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1,9-dihydro-6H-purin-6-one 1367369-81-0 C12H15N5O3
N-(3,4-dichlorophenyl)-7-methoxy-6-(3-morpholinopropoxy)quinazolin-4-amine N-(3,4-dichlorophenyl)-7-methoxy-6-(3-morpholinopropoxy)quinazolin-4-amine 2089650-13-3 C22H24Cl2N4O3
Moxifloxacin Impurity 8 Moxifloxacin Impurity 8
Olaparib Imp.2 Olaparib Imp.2
Ciprofloxacin impurity I Ciprofloxacin impurity I C17H18FN3O3
5-(4'-((2-butyl-4-chloro-5-(isopropoxymethyl)-1H-imidazol-1-yl)methyl)-[1,1'-biphenyl]-2-yl)-1H-tetrazole 5-(4'-((2-butyl-4-chloro-5-(isopropoxymethyl)-1H-imidazol-1-yl)methyl)-[1,1'-biphenyl]-2-yl)-1H-tetrazole 1332713-64-0 C25H29ClN6O
Mirabegron Deshydroxy Mirabegron Deshydroxy 1581284-82-3 C21H24N4OS
4-Thiazoleacetyl chloride, 2-amino-, monohydrochloride 4-Thiazoleacetyl chloride, 2-amino-, monohydrochloride 66313-72-2 C5H6Cl2N2OS
1,2-bis(bromomethyl)-4,5-dimethoxybenzene 1,2-bis(bromomethyl)-4,5-dimethoxybenzene 26726-81-8 C10H12Br2O2
Alvimopan Impurity 2 Alvimopan Impurity 2
Alvimopan Impurity 4 Alvimopan Impurity 4
Isavuconazole Impurity 13 Isavuconazole Impurity 13
Sofosbuvir Impurity13 Sofosbuvir Impurity13 220503-64-0 C38H31N3O9
21-Acetyl-6β-fluorotriamcinolone Acetonide 21-Acetyl-6β-fluorotriamcinolone Acetonide 67438-37-3 C26H32F2O7
Quetiapine EP Impurity W Quetiapine EP Impurity W 1800608-95-0 C34H32N4O2S2
(2R,3R)-1,1,4,4-tetraphenylbutane-1,2,3,4-tetrol (2R,3R)-1,1,4,4-tetraphenylbutane-1,2,3,4-tetrol 117780-08-2 C28H26O4
(11β,16α)-21-(Acetyloxy)-11,16,17-trihydroxypregna-1,4,14-triene-3,20-dione (11β,16α)-21-(Acetyloxy)-11,16,17-trihydroxypregna-1,4,14-triene-3,20-dione 131918-72-4 C23H28O7
O-Acetyl Silodosin O-Acetyl Silodosin 160970-86-5 C27H34F3N3O5
Olaparib Impurity I Olaparib Impurity I
Brexpiprazole Impurity C Brexpiprazole Impurity C
Dapoxetine Impurity 7 Dapoxetine Impurity 7
Irbesartan Impurity 5 Irbesartan Impurity 5 1213252-81-3 C25H28N6O
Cabozantinib impurity C Cabozantinib impurity C
Loratadine Impurity 4 Loratadine Impurity 4 C22H23ClN2O2
Metoprolol IMpurity 4 Metoprolol IMpurity 4 C15H25NO3
Mirabegron Impurity 10 Mirabegron Impurity 10
Ipratropium Bromide Impurity 2 Ipratropium Bromide Impurity 2 C20H29Br2NO3
Lenvatinib Impurity 21 Lenvatinib Impurity 21
Moxifloxacin Impurity 45 Moxifloxacin Impurity 45
Olaparib Impurity O Olaparib Impurity O
Olsalazine Impurity D Olsalazine Impurity D
Parecoxib sodium Impurity 34 Parecoxib sodium Impurity 34
Tofacitinib Impurity 19 Tofacitinib Impurity 19 2056104-91-5 C27H31N5O2S
Topiroxostat Impurity 29 Topiroxostat Impurity 29
Vildagliptin Impurity ZA6 Vildagliptin Impurity ZA6 2246354-69-6 C17H23N3O2
Nintedanib Impurity O Nintedanib Impurity O
Palonosetron Impurity TM1-SS Palonosetron Impurity TM1-SS 1260610-96-5 C15H23ClN2
Saxagliptin Impurity 5 (Epoxy saxaglliptin) Saxagliptin Impurity 5 (Epoxy saxaglliptin)
(1r,4r)-4-((2-amino-5-bromobenzyl)amino)cyclohexanol hydrochloride (1r,4r)-4-((2-amino-5-bromobenzyl)amino)cyclohexanol hydrochloride 101900-44-1 C13H20BrClN2O
(1s,4s)-4-((2-amino-3-bromobenzyl)amino)cyclohexan-1-ol hydrochloride (1s,4s)-4-((2-amino-3-bromobenzyl)amino)cyclohexan-1-ol hydrochloride C13H20BrClN2O
Edaravone Impurity 19 Edaravone Impurity 19
Linagliptin Impurity 48 Linagliptin Impurity 48
(3R,5S,E)-methyl 3,5-dihydroxy-7-(4-isopropyl-2-(N-methylmethyl sulfonamido)-6-phenylpyrimidin-5-yl)hept-6-enoate (3R,5S,E)-methyl 3,5-dihydroxy-7-(4-isopropyl-2-(N-methylmethyl sulfonamido)-6-phenylpyrimidin-5-yl)hept-6-enoate C23H31N3O6S
(R)-3,5-dibromo-N-((1-ethylpyrrolidin-2-yl)methyl)-2,6-dimethoxybenzamide (R)-3,5-dibromo-N-((1-ethylpyrrolidin-2-yl)methyl)-2,6-dimethoxybenzamide C16H22Br2N2O3
Mesna Impurity 1 (2-Ethoxy-Ethanesulfonic Acid) Mesna Impurity 1 (2-Ethoxy-Ethanesulfonic Acid) 90663-51-7 C4H10O4S
Vonoprazan Impurity Z-7 Vonoprazan Impurity Z-7
Caspofungin Impurity QA Caspofungin Impurity QA
Cabozantinib impurity 27 Cabozantinib impurity 27
Cabozantinib impurity 32 Cabozantinib impurity 32
Rivaroxaban Degradation Impurity B Rivaroxaban Degradation Impurity B
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