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Pharmazeutische Referenzstandards und Verunreinigungsreferenzstandards

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Structure Chemical Name CAS MF
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
Dapoxetine impurity 26 Dapoxetine impurity 26
Pregabalin Impurity 12 Pregabalin Impurity 12 1013624-61-7 C7H11NO3
Pralatrexate Impurity 6 Pralatrexate Impurity 6
Pitavastatin Impurity 37 Pitavastatin Impurity 37
Dapoxetine impurity 30 Dapoxetine impurity 30
Lenvatinib Impurity 34 Lenvatinib Impurity 34
Sitafloxacin Impurity 18 Sitafloxacin Impurity 18
Canagliflozin Impurity 47 Canagliflozin Impurity 47
Olprinone Impurity C Olprinone Impurity C
Posaconazole Impurity 71 Posaconazole Impurity 71
Canagliflozin Impurity 53 Canagliflozin Impurity 53
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