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Pharmazeutische Referenzstandards und Verunreinigungsreferenzstandards

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Structure Chemical Name CAS MF
Acemetacin Impurity C Acemetacin Impurity C
(2S,5R)-2-carbamoyl-7-oxo-1,6-diazabicyclo[3.2.1]octan-6-yl methyl sulfate (2S,5R)-2-carbamoyl-7-oxo-1,6-diazabicyclo[3.2.1]octan-6-yl methyl sulfate
Heptanoic acid, 7-[[(3R,5R)-7-[2-(4-fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]-3,5-dihydroxy-1-oxoheptyl]amino]-3,5-dihydroxy-, 1,1-dimethylethyl ester, (3R,5R)- Heptanoic acid, 7-[[(3R,5R)-7-[2-(4-fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]-3,5-dihydroxy-1-oxoheptyl]amino]-3,5-dihydroxy-, 1,1-dimethylethyl ester, (3R,5R)- 2409556-65-4 C44H56FN3O8
Benzamide, 2-[(1-acetyl-3-iodo-1H-indazol-6-yl)thio]-N-methyl- Benzamide, 2-[(1-acetyl-3-iodo-1H-indazol-6-yl)thio]-N-methyl- 1639138-00-3 C17H14IN3O2S
Atorvastatin Impurity 45 (Sodium Salt) Atorvastatin Impurity 45 (Sodium Salt)
Acemetacin Impurity F Acemetacin Impurity F
1-Butanaminium, N,N,N-tributyl-, (1R,2S,5R)-2-(aminocarbonyl)-7-oxo-1,6-diazabicyclo[3.2.1]oct-6-yl sulfate 1-Butanaminium, N,N,N-tributyl-, (1R,2S,5R)-2-(aminocarbonyl)-7-oxo-1,6-diazabicyclo[3.2.1]oct-6-yl sulfate 1192651-80-1 C23H46N4O6S
Acemetacin EP Impurity F/Carboxymethyl Acemetacin/[[[[[1-(4-Chlorobenzoyl)-5-methoxy-2-methyl-1H-indol-3-yl]acetyl]oxy]acetyl]oxy]acetic acid Acemetacin EP Impurity F/Carboxymethyl Acemetacin/[[[[[1-(4-Chlorobenzoyl)-5-methoxy-2-methyl-1H-indol-3-yl]acetyl]oxy]acetyl]oxy]acetic acid 76812-49-2 C23H20ClNO8
Avibactam Impurity A Avibactam Impurity A
Avibactam Impurity F Avibactam Impurity F
Axitinib Impurity 14 Axitinib Impurity 14
2-((4S,6S)-6-(2-aminoethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetic acid 2-((4S,6S)-6-(2-aminoethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetic acid 2165770-84-1 C10H19NO4
Avibactam sodium Impurity CEA Avibactam sodium Impurity CEA
1,3-Dioxane-4-acetic acid, 6-[2-[3-[[[2-[(4R,6R)-6-[2-(1,1-dimethylethoxy)-2-oxoethyl]-2,2-dimethyl-1,3-dioxan-4-yl]ethyl]amino]carbonyl]-5-(4-fluorophenyl)-2-(1-methylethyl)-4-phenyl-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-, 1,1-dimethylethyl ester, (4R,6R)- 1,3-Dioxane-4-acetic acid, 6-[2-[3-[[[2-[(4R,6R)-6-[2-(1,1-dimethylethoxy)-2-oxoethyl]-2,2-dimethyl-1,3-dioxan-4-yl]ethyl]amino]carbonyl]-5-(4-fluorophenyl)-2-(1-methylethyl)-4-phenyl-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-, 1,1-dimethylethyl ester, (4R,6R)- 1229658-18-7 C48H67FN2O9
tert-butyl (3R,5R)-7-(1-((3R,5R)-7-(tert-butoxy)-3,5-dihydroxy-7-oxoheptyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxamido)-3,5-dihydroxyheptanoate tert-butyl (3R,5R)-7-(1-((3R,5R)-7-(tert-butoxy)-3,5-dihydroxy-7-oxoheptyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxamido)-3,5-dihydroxyheptanoate
Atorvastatin Acetonide Atorvastatin Acetonide 581772-29-4 C36H39FN2O5
(3R,5R)-6-Cyano-3,5-dihydroxy-hexanoic Acid tert-Butyl Ester (3R,5R)-6-Cyano-3,5-dihydroxy-hexanoic Acid tert-Butyl Ester 125971-93-9 C11H19NO4
3-Oxo Atorvastatin 3-Oxo Atorvastatin 887196-30-7 C33H33FN2O5
4,6-DIAMINOINDAZOLE 4,6-DIAMINOINDAZOLE 885518-52-5 C7H8N4
Avibactam Impurity 39 Avibactam Impurity 39 2089462-91-7 C15H22N2O3
Atosiban Impurity G Atosiban Impurity G
Atorvastatin Calcium Hydrate impurity 39 Atorvastatin Calcium Hydrate impurity 39 2243639-97-4 C33H35FN2O5
methyl 2-((4R,6R)-6-(2-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4- (phenylcarbamoyl)-1H-pyrrol-1-yl)ethyl)-2,2-dimethyl-1,3-dioxan-4- yl)acetate methyl 2-((4R,6R)-6-(2-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4- (phenylcarbamoyl)-1H-pyrrol-1-yl)ethyl)-2,2-dimethyl-1,3-dioxan-4- yl)acetate 1353049-81-6 C37H41FN2O5
Avibactam Impurity 04 Avibactam Impurity 04
Atorvastatin Lactone Diepoxide Atorvastatin Lactone Diepoxide 1046118-40-4 C33H33FN2O6
Axitinib Sulfonyl Axitinib Sulfonyl 1348536-59-3 C22H18N4O3S
Axitinib Impurity 24 Axitinib Impurity 24
Acemetacin EP Impurity D/6-t-Butyl Acemetacin/[[[1-(4-Chlorobenzoyl)-6-(1,1-dimethylethyl)-5-methoxy-2-methyl-1H-indol-3-yl]acetyl]oxy]acetic acid Acemetacin EP Impurity D/6-t-Butyl Acemetacin/[[[1-(4-Chlorobenzoyl)-6-(1,1-dimethylethyl)-5-methoxy-2-methyl-1H-indol-3-yl]acetyl]oxy]acetic acid 76812-64-1 C25H26ClNO6
Acemetacin Impurity Ｄ Acemetacin Impurity Ｄ
(2S,5R)-2-carbamoyl-7-oxo-1,6-diazabicyclo[3.2.1]octan-6-yl ethyl sulfate (2S,5R)-2-carbamoyl-7-oxo-1,6-diazabicyclo[3.2.1]octan-6-yl ethyl sulfate
(1R,3r,5S)-8-methyl-8-azabicyclo[3.2.1]octan-3-yl 2-phenylacetate (1R,3r,5S)-8-methyl-8-azabicyclo[3.2.1]octan-3-yl 2-phenylacetate
(4R,6S)-tert-Butyl-6-cyanoMethyl-2,2-diMethyl-1,3-dioxane-4-acetate (4R,6S)-tert-Butyl-6-cyanoMethyl-2,2-diMethyl-1,3-dioxane-4-acetate 196085-84-4 C14H23NO4
Acemetacin Impurity Acemetacin Impurity
Avibactam Impurity B Avibactam Impurity B
Atorvastatin Impurity F Atorvastatin Impurity F 1371615-56-3 C66H68CaF2N4O10
Avibactam sodium Impurity CIA Avibactam sodium Impurity CIA
5-Oxo Atorvastatin 5-Oxo Atorvastatin 1391052-82-6 C33H33FN2O5
2-Fluoro-α-(2-methyl-1-oxopropyl)-γ-oxo-N,β-diphenyl-benzenebutanamide 2-Fluoro-α-(2-methyl-1-oxopropyl)-γ-oxo-N,β-diphenyl-benzenebutanamide 1797905-42-0 C26H24FNO3
Axitinib Impurity 12 Axitinib Impurity 12
Axitinib Impurity 17 Axitinib Impurity 17
Avibactam Impurity 40 Avibactam Impurity 40 2089462-89-3 C15H20N2O3
tert-butyl 2-((4R,6S)-6-(2-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl- 4-(phenylcarbamoyl)-1H-pyrrol-1-yl)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate tert-butyl 2-((4R,6S)-6-(2-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl- 4-(phenylcarbamoyl)-1H-pyrrol-1-yl)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate 947249-30-1 C40H47FN2O5
Axitinib Impurity 8 Axitinib Impurity 8
Atorvastatin Impurity 40 Atorvastatin Impurity 40 1116118-82-1 C50H64FN3O8
Avibactam sodium Impurity CES Avibactam sodium Impurity CES
2,4-Heptadienoic acid, 7-[2-(4-fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]-, (2Z,4E)- 2,4-Heptadienoic acid, 7-[2-(4-fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]-, (2Z,4E)- 1148131-09-2 C33H31FN2O3
Avibactam Impurity Avibactam Impurity 1797133-98-2 C7H12N3NaO6S
(3S,5R)-Atorvastatin (3S,5R)-Atorvastatin 887324-52-9 C33H35FN2O5
Trans-5-(Benzyloxyamino)piperidine-2-carboxylic acid,sodium salt Trans-5-(Benzyloxyamino)piperidine-2-carboxylic acid,sodium salt 2122800-38-6 C13H19N2NaO3
Atorvastatin Calcium Hydrate impurity 32 Atorvastatin Calcium Hydrate impurity 32 2088732-01-6 C14H27NO4
tert-butyl (3R,5R)-7-((3R,5R)-7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanamido)-3,5-dihydroxyheptanoate tert-butyl (3R,5R)-7-((3R,5R)-7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanamido)-3,5-dihydroxyheptanoate
2-Benzylidene isobutyryl acetanilide 2-Benzylidene isobutyryl acetanilide 125971-57-5 C19H19NO2
Atorvastatin Impurity 83 Atorvastatin Impurity 83 1807481-00-0 C33H35F2N2NaO5
(2S,5R)-2-carbamoyl-7-oxo-1,6-diazabicyclo[3.2.1]octan-6-yl isopropyl sulfate (2S,5R)-2-carbamoyl-7-oxo-1,6-diazabicyclo[3.2.1]octan-6-yl isopropyl sulfate
Pyrazinecarboxylic acid, 5-methyl-, 1-oxide (9CI) Pyrazinecarboxylic acid, 5-methyl-, 1-oxide (9CI) 98502-96-6 C6H6N2O3
ltrombopag Impurity 26 ltrombopag Impurity 26
2'',3'',5''-Triacetyl -azacytidine 2'',3'',5''-Triacetyl -azacytidine 10302-78-0 C14H18N4O8
(Z)-3-((2'-(N'-hydroxycarbaMiMidoyl)biphenyl-4-yl)Methyl)-2-oxo-2,3-dihydro-1H-benzo[d]iMidazole-4-carboxylic acid (Z)-3-((2'-(N'-hydroxycarbaMiMidoyl)biphenyl-4-yl)Methyl)-2-oxo-2,3-dihydro-1H-benzo[d]iMidazole-4-carboxylic acid 1174733-90-4 C10H14N4O6
Acyclovir IMpurity I Acyclovir IMpurity I
EltroMbopag Methyl Ester EltroMbopag Methyl Ester 1246929-01-0 C26H24N4O4
(4-Chloro-3,5-diMethylpyridin-2-yl)Methanol Hydrochloride (4-Chloro-3,5-diMethylpyridin-2-yl)Methanol Hydrochloride 143016-70-0 C8H11Cl2NO
S,S-Efinaconazole S,S-Efinaconazole 164650-45-7 C18H22F2N4O
135270-10-9 135270-10-9 135270-10-9 C12H11F2N3O
Carbamic acid, N-[(1R)-2-[5-(2-fluoro-3-methoxyphenyl)-3-[[2-fluoro-6-(trifluoromethyl)phenyl]methyl]-3,6-dihydro-4-methyl-2,6-dioxo-1(2H)-pyrimidinyl]-1-phenylethyl]-, 1,1-dimethylethyl ester Carbamic acid, N-[(1R)-2-[5-(2-fluoro-3-methoxyphenyl)-3-[[2-fluoro-6-(trifluoromethyl)phenyl]methyl]-3,6-dihydro-4-methyl-2,6-dioxo-1(2H)-pyrimidinyl]-1-phenylethyl]-, 1,1-dimethylethyl ester 830346-51-5 C33H32F5N3O5
(2S,3R)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butane-2,3-diol (2S,3R)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butane-2,3-diol 135272-36-5 C12H13F2N3O2
Ilaprazole Impurity Ilaprazole Impurity 1018229-53-2 C11H9N3O
Eltrombopag Impurity 2 Eltrombopag Impurity 2
Acyclovir Impurity 13 Acyclovir Impurity 13
Azacitidine Impurity 3 Azacitidine Impurity 3
Acyclovir IMpurity C Acyclovir IMpurity C 91702-61-3 C8H11N5O3
Axitinib Impurity 4 Axitinib Impurity 4 1443118-73-7 C22H20N4OS
Esomeprazole EP Impurity Esomeprazole EP Impurity
Acyclovir Impurity I: 7,9'-[Ethylene-bis(oxymethylene)] Bis (2-amino-1-9-dihydro-6H-purin-6-one) Acyclovir Impurity I: 7,9'-[Ethylene-bis(oxymethylene)] Bis (2-amino-1-9-dihydro-6H-purin-6-one) 1797832-75-7 C14H16N10O4
2(1H)-Pyridinone, 3,4-dihydro- 2(1H)-Pyridinone, 3,4-dihydro- 57147-25-8 C5H7NO
5-METHOXY-2-BENZIMIDAZOLINONE 5-METHOXY-2-BENZIMIDAZOLINONE 2080-75-3 C8H8N2O2
someprazole Impurity 19 someprazole Impurity 19 358675-51-1 C16H17N3O3S
Azacitidine Impurity 34 Azacitidine Impurity 34 105330-94-7 C9H14N4O5
ammonium 1-(5-methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydropyridine-2-carboxylate ammonium 1-(5-methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydropyridine-2-carboxylate 2227107-89-1 C16H18N4O4
Esomeprazole Impurity 42 Esomeprazole Impurity 42
Efinaconazole Related Impurity 13 Efinaconazole Related Impurity 13 2055912-03-1 C24H32FN5O
Acyclovir impurity R Acyclovir impurity R
(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole compound with 6-methoxy-1-((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole (1:1) (((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole compound with 6-methoxy-1-((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole (1:1)
Esomeprazole Impurity 3 Esomeprazole Impurity 3 1346599-85-6 C26H30N4O4S
Eltrombopag Impurity 8 Eltrombopag Impurity 8
(2R,3R,4R,5R)-2-(4-amino-2-oxo (2R,3R,4R,5R)-2-(4-amino-2-oxo 1415316-72-1 C12H16N4O7
4-amino-1-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-1,3,5-triazin-2(1H)-one compound with (2R,3S,4R,5S)-2-(hydroxymethyl)-5-methyltetrahydrofuran-3,4-diol 4-amino-1-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-1,3,5-triazin-2(1H)-one compound with (2R,3S,4R,5S)-2-(hydroxymethyl)-5-methyltetrahydrofuran-3,4-diol
Acyclovir Impurity 15 Acyclovir Impurity 15
(1S,5R)-9-(4-fluorophenyl)-11-isopropyl-10-phenyl-1,2,6,7-tetrahydro-3H,5H-1,5-methanopyrrolo[1,2-e][1,5]oxazonin-3-one (1S,5R)-9-(4-fluorophenyl)-11-isopropyl-10-phenyl-1,2,6,7-tetrahydro-3H,5H-1,5-methanopyrrolo[1,2-e][1,5]oxazonin-3-one
9-cis Acitretin 9-cis Acitretin 419534-31-9 C21H26O3
ACEMETACINTERT-BUTYLESTER ACEMETACINTERT-BUTYLESTER 75302-98-6 C25H26ClNO6
(4S-cis)-6-(Cyanomethyl)-2,2-dimethyl-1,3-dioxane-4-acetic Acid 1,1-Dimethylethyl Ester (4S-cis)-6-(Cyanomethyl)-2,2-dimethyl-1,3-dioxane-4-acetic Acid 1,1-Dimethylethyl Ester 196085-85-5 C14H23NO4
(5R)-6-Cyano-5-hydroxy-3-oxo-hexanoic Acid tert-Butyl Ester (5R)-6-Cyano-5-hydroxy-3-oxo-hexanoic Acid tert-Butyl Ester 125988-01-4 C11H17NO4
(3S,5R)-6-Cyano-3,5-dihydroxy-hexanoic Acid tert-Butyl Ester (3S,5R)-6-Cyano-3,5-dihydroxy-hexanoic Acid tert-Butyl Ester 186508-94-1 C11H19NO4
rac-3-Oxo Atorvastatin SodiuM Salt rac-3-Oxo Atorvastatin SodiuM Salt 1391052-00-8 C33H34FN2NaO5
Atorvastatin pyrrolidone lactone Atorvastatin pyrrolidone lactone 906552-19-0 C33H33FN2O5
Avibactam Impurity C Avibactam Impurity C
Axitinib Impurity 16 Axitinib Impurity 16
Axitinib Impurity 22 Axitinib Impurity 22
Avibactam Impurity 44 Avibactam Impurity 44 2064219-22-1 C23H46N4O6S
Axitinib Impurity 1 Axitinib Impurity 1
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