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Pharmazeutische Referenzstandards und Verunreinigungsreferenzstandards

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Structure Chemical Name CAS MF
Ambroxol Impurity 33 Ambroxol Impurity 33 199472-91-8 C13H20N2O
Bilastine Impurity 12 Bilastine Impurity 12 1638785-18-8 C30H42N4O3
Tadalafil Impurity 66 Tadalafil Impurity 66 1598416-07-9 C21H18N2O5
Peramivir Impurity 36 Peramivir Impurity 36
4-CHLORO-7-(2-CHLORO-ETHOXY)-6-(2-METHOXY-ETHOXY)-QUINAZOLINE 4-CHLORO-7-(2-CHLORO-ETHOXY)-6-(2-METHOXY-ETHOXY)-QUINAZOLINE 183322-20-5 C13H14Cl2N2O3
METHYL 2-(O-NITROBENZYLIDENE)-ACETOACETATE METHYL 2-(O-NITROBENZYLIDENE)-ACETOACETATE 39562-27-1 C12H11NO5
Sugammadex sodium Impurity 48 Sugammadex sodium Impurity 48
Sugammadex sodium Impurity 47 Sugammadex sodium Impurity 47
Tenofovir Impurity 95 Tenofovir Impurity 95 1884329-63-8 C8H10BrN5
Tenofovir Impurity 117 Tenofovir Impurity 117 1643116-22-6 C8H11N5O
Tafluprost Impurity E Tafluprost Impurity E
Cabozantinib impurity 36 Cabozantinib impurity 36
Dapoxetine impurity 69 Dapoxetine impurity 69
4-FLUORO-2-METHYLBENZAMIDE 4-FLUORO-2-METHYLBENZAMIDE 886501-45-7 C8H8FNO
1-{[4-BENZYL-2-(3,4-DIMETHOXYPHENYL)-4H-CHROMEN-3-YL]METHYL}PIPERIDINIUM CHLORIDE 1-{[4-BENZYL-2-(3,4-DIMETHOXYPHENYL)-4H-CHROMEN-3-YL]METHYL}PIPERIDINIUM CHLORIDE C30H34ClNO3
4-Hydroxyisophthalonitrile 4-Hydroxyisophthalonitrile 34133-58-9 C8H4N2O
Empagliflozin Impurity 81 Empagliflozin Impurity 81
Iohexol Impurity M Iohexol Impurity M
Relugolix Impurity 18 Relugolix Impurity 18
Rabeprazole Impurity 15 Rabeprazole Impurity 15
4-((2-amino-2-oxoethyl)(hydroxy)amino)butanoic acid 4-((2-amino-2-oxoethyl)(hydroxy)amino)butanoic acid 2454698-45-2 C6H12N2O4
Lenvatinib Impurity LFZZ-8 Lenvatinib Impurity LFZZ-8 C44H40Cl2N8O8
Pemetrexed disodium Impurity 19 Pemetrexed disodium Impurity 19
Brivaracetam Impurity 32 Brivaracetam Impurity 32
1-((2R,3R)-3-(4-(aminomethyl)thiazol-2-yl)-2-(2,5-difluorophenyl)-2-hydroxybutyl)-4-(1-((methyl(3-((2-(methylamino)acetoxy)methyl)pyridin-2-yl)carbamoyl)oxy)ethyl)-1H-1,2,4-triazol-4-ium chloride 1-((2R,3R)-3-(4-(aminomethyl)thiazol-2-yl)-2-(2,5-difluorophenyl)-2-hydroxybutyl)-4-(1-((methyl(3-((2-(methylamino)acetoxy)methyl)pyridin-2-yl)carbamoyl)oxy)ethyl)-1H-1,2,4-triazol-4-ium chloride
Ticagrelor Impurity 107 Ticagrelor Impurity 107
Carbamic acid, N-[1,1'-biphenyl]-2-yl-, 1-[2-[[4-(hydroxymethyl)benzoyl]methylamino]ethyl]-4-piperidinyl ester Carbamic acid, N-[1,1'-biphenyl]-2-yl-, 1-[2-[[4-(hydroxymethyl)benzoyl]methylamino]ethyl]-4-piperidinyl ester 1682660-39-4 C29H33N3O4
sodium 3-(4-((1H-imidazol-1-yl)methyl)phenyl)-3-hydroxypropanoate sodium 3-(4-((1H-imidazol-1-yl)methyl)phenyl)-3-hydroxypropanoate
(4S,6R)-((4R,6S)-6-(2-(tert-butoxy)-2-oxoethyl)-2,2-dimethyl-1,3-dioxan-4-yl)methyl 6-(2-(tert-butoxy)-2-oxoethyl)-2,2-dimethyl-1,3-dioxane-4-carboxylate (4S,6R)-((4R,6S)-6-(2-(tert-butoxy)-2-oxoethyl)-2,2-dimethyl-1,3-dioxan-4-yl)methyl 6-(2-(tert-butoxy)-2-oxoethyl)-2,2-dimethyl-1,3-dioxane-4-carboxylate
tert-butyl 2-(((Z)-(1-(2-aminothiazol-4-yl)-2-(((2S,3S)-2-methyl-4- oxoazetidin-3-yl)amino)-2-oxoethylidene)amino)oxy)-2-methyl propanoate tert-butyl 2-(((Z)-(1-(2-aminothiazol-4-yl)-2-(((2S,3S)-2-methyl-4- oxoazetidin-3-yl)amino)-2-oxoethylidene)amino)oxy)-2-methyl propanoate
Atomoxetine Impurity 15 Atomoxetine Impurity 15 881995-45-5 C19H23NO2
Pitavastatin Impurity 13 (Pitavastatin 2,4,6-Triene Impurity) Pitavastatin Impurity 13 (Pitavastatin 2,4,6-Triene Impurity) 2086271-67-0 C25H20FNO2
(2S,5R)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2- carboxylic acid sodium (2S,5R)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2- carboxylic acid sodium
impurity 39 impurity 39
(2R,3R,4R,5S)-6-((2,4-dibromo-6-((cyclohexyl(methyl)amino)methyl)phenyl)amino)hexane-1,2,3,4,5-pentaol (2R,3R,4R,5S)-6-((2,4-dibromo-6-((cyclohexyl(methyl)amino)methyl)phenyl)amino)hexane-1,2,3,4,5-pentaol
Bosutinib Impurity 32 Bosutinib Impurity 32
6,6'-Methylenebis[1,2,3,9-tetrahydro-9-methyl-3-methylene-4H-carbazol-4-one 6,6'-Methylenebis[1,2,3,9-tetrahydro-9-methyl-3-methylene-4H-carbazol-4-one 1365727-09-8 C29H26N2O2
Ampicillin Dimer Disodium Salt Ampicillin Dimer Disodium Salt 94730-51-5 C32H39N6NaO8S2
4-Thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid, 6-(1-hydroxyethyl)-7-oxo-3-(tetrahydro-2-furanyl)-, [5R-[3(S*),5α,6α(R*)]]- (9CI) 4-Thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid, 6-(1-hydroxyethyl)-7-oxo-3-(tetrahydro-2-furanyl)-, [5R-[3(S*),5α,6α(R*)]]- (9CI) 106560-13-8 C12H15NO5S
1-Naphthalenecarboxylic acid, 8-[[(3S)-1-azabicyclo[2.2.2]oct-3-ylamino]methyl]-5,6,7,8-tetrahydro-, (8S)- 1-Naphthalenecarboxylic acid, 8-[[(3S)-1-azabicyclo[2.2.2]oct-3-ylamino]methyl]-5,6,7,8-tetrahydro-, (8S)- 2407763-21-5 C19H26N2O2
Peramivir Impurity 58 Peramivir Impurity 58
1-Naphthalenamine, 4-(2,3-dichlorophenyl)-1,2,3,4-tetrahydro-N-methyl-, (1R,4R)-rel- 1-Naphthalenamine, 4-(2,3-dichlorophenyl)-1,2,3,4-tetrahydro-N-methyl-, (1R,4R)-rel- 2124277-87-6 C17H17Cl2N
Voriconazole toxic impurity 2 Voriconazole toxic impurity 2
Cisatracurium besylate impurity19 Cisatracurium besylate impurity19 96946-52-0 C59H77N2O15S+
Bumetanide Impurity 3 Bumetanide Impurity 3
Cefoxitin EP Impurity F (S-methoxy cefoxitin) Cefoxitin EP Impurity F (S-methoxy cefoxitin)
INDEX NAME NOT YET ASSIGNED INDEX NAME NOT YET ASSIGNED 2514949-81-4 C20H28N4O2
α-[4-[2-(Dimethylamino)ethoxy]phenyl]-β-ethyl-α-phenylphenethylalkohol α-[4-[2-(Dimethylamino)ethoxy]phenyl]-β-ethyl-α-phenylphenethylalkohol 748-97-0 C26H31NO2
Brivaracetam Impurity 53 Brivaracetam Impurity 53
Ethyl-[R-(R*,R*)]-hydrogentartrat Ethyl-[R-(R*,R*)]-hydrogentartrat 608-89-9 C6H10O6
ethyl 2,2,4-trichloro-3-oxobutyrate ethyl 2,2,4-trichloro-3-oxobutyrate 85153-67-9 C6H7Cl3O3
Neodigoxin Neodigoxin 55576-67-5 C41H64O14
(S)-6-((R)-2-amino-2-phenylacetamido)-2,2-dimethyl-7-oxo-2,3,4,7-tetrahydro-1,4-thiazepine-3-carboxylic acid (S)-6-((R)-2-amino-2-phenylacetamido)-2,2-dimethyl-7-oxo-2,3,4,7-tetrahydro-1,4-thiazepine-3-carboxylic acid
[R(R*,R*]-2-Amino-1-[p-(methylsulfonyl)phenyl]propan-1,3-diol [R(R*,R*]-2-Amino-1-[p-(methylsulfonyl)phenyl]propan-1,3-diol 51458-28-7 C10H15NO4S
16α,17,21-Trihydroxypregna-1,4,9(11)-trien-3,20-dion-21-acetat 16α,17,21-Trihydroxypregna-1,4,9(11)-trien-3,20-dion-21-acetat 77017-20-0 C23H28O6
Pyrimidine, 4-chloro-5-nitro-2-(propylthio)- Pyrimidine, 4-chloro-5-nitro-2-(propylthio)- 2518331-26-3 C7H8ClN3O2S
Oseltamivir Impurity 110 Oseltamivir Impurity 110
Oseltamivir Impurity 108 Oseltamivir Impurity 108
Oseltamivir Impurity 102 Oseltamivir Impurity 102
1H-Pyrazole-1-propanenitrile, 4-(6-amino-5-formyl-4-pyrimidinyl)-β-cyclopentyl-, (βR)- 1H-Pyrazole-1-propanenitrile, 4-(6-amino-5-formyl-4-pyrimidinyl)-β-cyclopentyl-, (βR)- 2606144-45-8 C16H18N6O
4-Piperidinecarboxylic acid, 1-(4-pyridinylcarbonyl)-, ethyl ester 4-Piperidinecarboxylic acid, 1-(4-pyridinylcarbonyl)-, ethyl ester 252263-38-0 C14H18N2O3
1,4-Bis(4-nitrophenyl)piperazin 1,4-Bis(4-nitrophenyl)piperazin 16264-05-4 C16H16N4O4
Di(2,4-xylyl)disulfid Di(2,4-xylyl)disulfid 13616-83-6 C16H18S2
17,21-Dihydroxy-16α-methylpregna-1,4,9(11)-trien-3,20-dion 17,21-Dihydroxy-16α-methylpregna-1,4,9(11)-trien-3,20-dion 13209-41-1 C22H28O4
6-Amino-5-formamido-1,3-dimethyluracil 6-Amino-5-formamido-1,3-dimethyluracil 7597-60-6 C7H10N4O3
3-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-2-yl)amino)piperidin-1-yl)-3-oxopropanenitrile 3-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-2-yl)amino)piperidin-1-yl)-3-oxopropanenitrile 2374700-40-8 C16H20N6O
7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9-fluoro-2,3-dihydro-2-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-, (S)- (9CI) 7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9-fluoro-2,3-dihydro-2-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-, (S)- (9CI) 129815-82-3 C18H20FN3O4
Piperazine, 1-[2-[(4-methoxyphenyl)methyl]-4-methylphenyl]- Piperazine, 1-[2-[(4-methoxyphenyl)methyl]-4-methylphenyl]- 769083-63-8 C19H24N2O
1,3-Diisopropylharnstoff 1,3-Diisopropylharnstoff 4128-37-4 C7H16N2O
Acetic acid, 2-[(5-bromo-2-pyridinyl)amino]-2-oxo-, ethyl ester Acetic acid, 2-[(5-bromo-2-pyridinyl)amino]-2-oxo-, ethyl ester 141354-54-3 C9H9BrN2O3
monocalcium mono((3R,5S,E)-7-(4-(3-fluorophenyl)-6-isopropyl-2- (N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6- enoate) monocalcium mono((3R,5S,E)-7-(4-(3-fluorophenyl)-6-isopropyl-2- (N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6- enoate)
Cefradine Impurity J Cefradine Impurity J
Peramivir diacetyl impurity 1 Peramivir diacetyl impurity 1
Urapidil Impurity 17 Urapidil Impurity 17
Clindamycin Impurity 86 Clindamycin Impurity 86
Canagliflozin Impurity 77 Canagliflozin Impurity 77
Carbazochrome Sodium Sulfonate Impurity I Carbazochrome Sodium Sulfonate Impurity I
Tadalafil impurities 45 Tadalafil impurities 45
Posaconazole Impurities 10 Complete Set Posaconazole Impurities 10 Complete Set
Cetrorelix Impurity 18 Cetrorelix Impurity 18
Cetrorelix Impurity 13 Cetrorelix Impurity 13
Bortezomib Impurity G Full Set Pre- Bortezomib Impurity G Full Set Pre-
Cetrorelix Impurity 2 (+L-Ser) Cetrorelix Impurity 2 (+L-Ser)
Peramivir Intermediate Impurity 39 Peramivir Intermediate Impurity 39
Peramivir Intermediate Impurity 59 Peramivir Intermediate Impurity 59
Criborole impurity 999 Criborole impurity 999
Pemetrexed Disodium Impurity 21-30 Pemetrexed Disodium Impurity 21-30
Bimatoprost Impurity 2 Bimatoprost Impurity 2
Guanosine Guanosine 30747-23-0 C18H21N5O9
Minoxidil Impurity G Minoxidil Impurity G
Brivaracet amoxidation Impurity 2 Brivaracet amoxidation Impurity 2
Sugammadex Impurity U Sugammadex Impurity U
3-(6'-oxo-1'-phenyl-1',6'-dihydro-[2,3'-bipyridin]-5'-yl)-[1,1'-biphenyl]-2,2'-dicarbonitrile 3-(6'-oxo-1'-phenyl-1',6'-dihydro-[2,3'-bipyridin]-5'-yl)-[1,1'-biphenyl]-2,2'-dicarbonitrile
Cefmetazole Sodium Impurity B Cefmetazole Sodium Impurity B
(3R,5S,E)-tert-butyl 7-(4-(3-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate (3R,5S,E)-tert-butyl 7-(4-(3-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate
1-Piperazinebutanol, 4-(1,2-benzisothiazol-3-yl)- 1-Piperazinebutanol, 4-(1,2-benzisothiazol-3-yl)- 159729-16-5 C15H21N3OS
1,4-Piperazinedibutanol 1,4-Piperazinedibutanol 92036-96-9 C12H26N2O2
1H-Benz[de]isoquinolin-1-one, 2-(3S)-1-azabicyclo[2.2.2]oct-3-yl-2,3,3a,4,5,6-hexahydro-6-hydroxy-, (3aS)- 1H-Benz[de]isoquinolin-1-one, 2-(3S)-1-azabicyclo[2.2.2]oct-3-yl-2,3,3a,4,5,6-hexahydro-6-hydroxy-, (3aS)- 2446343-19-5 C19H24N2O2
2-yl)oxy)-6,8,11-trihydroxy-8-(((2S,3S,4S,6R)-3-hydroxy-2-methyl-6-(((1S,3S)-3,5,12-trihydroxy-3-(2-hydroxyacetyl)-10-methoxy-6,11-dioxo-1,2,3,4,6,11- 2-yl)oxy)-6,8,11-trihydroxy-8-(((2S,3S,4S,6R)-3-hydroxy-2-methyl-6-(((1S,3S)-3,5,12-trihydroxy-3-(2-hydroxyacetyl)-10-methoxy-6,11-dioxo-1,2,3,4,6,11-
PANTOPRAZOLE SULFONE N-OXIDE PANTOPRAZOLE SULFONE N-OXIDE 953787-55-8 C16H15F2N3O6S
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