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Analytische Chemie

Die analytische Chemie ist ein Teilgebiet der Chemie mit dem Ziel chemische Substanzen zu identifizieren sowie deren Menge zu bestimmen. Demnach umfasst die analytische Chemie die qualitative Analyse, die quantitative Analyse und die Strukturanalytik. Bei der qualitativen Analyse wird untersucht, ob bestimmte chemische Elemente oder Verbindungen in einer Probe nachweisbar sind. Bei der quantitativen Analyse wird die Menge eines chemischen Elements oder einer Verbindung bestimmte und bei der Strukturanalytik wird die chemische Struktur der Elemente und Verbindungen ermittelt. Die häufigsten Einsatzgebiete der analytischen Chemie sind die Umweltanalytik, die Lebensmittelanalytik sowie die Prozesskontrolle und -regelung. In der Umweltanalytik werden Boden, Luft und Wasser analysiert, um z. B. Schwermetalle, Abgase oder Pestizide zu bestimmen. In der Lebensmittelanalytik werden Lebensmittel z.B. nach Schwermetallen oder Chemikalienrückstände untersucht. Bei der Prozesskontrolle und Prozessregelung wird z. B. die Produktausbeute überwachtet oder die Produktqualität kontrolliert.

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Structure Chemical Name CAS MF
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
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
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
(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
(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
Itropopa Impurity 17 Itropopa Impurity 17
rac 4-Desmethoxy-4-nitro Omeprazole rac 4-Desmethoxy-4-nitro Omeprazole 317807-10-6 C16H16N4O4S
DesMethyl Erlotinib Carboxylate Acid DesMethyl Erlotinib Carboxylate Acid 882172-60-3 C21H19N3O5
Acyclovir IMpurity J Acyclovir IMpurity J
Acyclovir Impurity O Acyclovir Impurity O
Eltrombopag Impurity 3 Eltrombopag Impurity 3
Azacitidine Impurity EJ Azacitidine Impurity EJ
5-METHOXY-2-(METHYLTHIO)BENZIMIDAZOLE 5-METHOXY-2-(METHYLTHIO)BENZIMIDAZOLE 91168-31-9 C9H10N2OS
2-Pyrazinecarboxylic acid, 6-methyl-, 4-oxide 2-Pyrazinecarboxylic acid, 6-methyl-, 4-oxide 51037-31-1 C6H6N2O3
2-[[(5-hydroxy-1H-benziMidazol-2-yl)sulfinyl]Methyl]-3,5-diMethyl-1-4(1H)-pyridone 2-[[(5-hydroxy-1H-benziMidazol-2-yl)sulfinyl]Methyl]-3,5-diMethyl-1-4(1H)-pyridone C15H15N3O3S
EsoMeprazole iMpurity EsoMeprazole iMpurity 1424857-86-2 C11H15NO3
Eltrombopag Impurity 4 Eltrombopag Impurity 4
Atazanavir Impurity  6 Atazanavir Impurity 6 1006868-81-0 C32H42N4O5
Edoxaban Impurity 20 (1R,2R,4S) Edoxaban Impurity 20 (1R,2R,4S) 1928729-31-0 C16H29N3O7
Acyclovir Impurity 11 Acyclovir Impurity 11
Esomeprazole Impurity 43 Esomeprazole Impurity 43
Azacitidine Impurity 1 Azacitidine Impurity 1
4'-hydroxy-3'-nitro-[1,1'-biphenyl]-3-carboxylic acid 4'-hydroxy-3'-nitro-[1,1'-biphenyl]-3-carboxylic acid 1097777-60-0 C13H9NO5
Edoxaban impurity ABCDEFGHJKL Edoxaban impurity ABCDEFGHJKL
N-ForMyl-D-ribofuranosyl-3-guanylurea (α/β-Mixture) N-ForMyl-D-ribofuranosyl-3-guanylurea (α/β-Mixture) 686299-20-7 C8H14N4O6
(3S,8R,9S,12S)-3,12-Bis(1,1-diMethylethyl)-8-hydroxy-4,11-dioxo-9-(phenylMethyl)-6-[[4-(2-pyridinyl)phenyl]Methyl]-,2,5,6,10,13-pentaazatetradecanedioic Acid 1,14-DiMethyl Ester (3S,8R,9S,12S)-3,12-Bis(1,1-diMethylethyl)-8-hydroxy-4,11-dioxo-9-(phenylMethyl)-6-[[4-(2-pyridinyl)phenyl]Methyl]-,2,5,6,10,13-pentaazatetradecanedioic Acid 1,14-DiMethyl Ester 1292296-09-3 C38H52N6O7
6-AMino-5-azacytidine 6-AMino-5-azacytidine 105331-00-8 C8H13N5O5
Esomeprazole Impurity 26 Esomeprazole Impurity 26 704910-88-3 C15H15N3OS
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