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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
Levofloxacin Impurity 19 Levofloxacin Impurity 19 C18H20FN3O4
Olanzapine Impurity K Olanzapine Impurity K C17H20N4S
Ticagrelor Related Compound 55 Ticagrelor Related Compound 55
Ticagrelor Related Compound 73 Ticagrelor Related Compound 73
Vildagliptin Impurity 10 Vildagliptin Impurity 10
Cefaclor Impurity 2 Cefaclor Impurity 2 722547-49-1 C17H18N2O3
Cefodizime Impurity F Cefodizime Impurity F
Olaparib Impurity F Olaparib Impurity F
Ornidazole Impurity G Ornidazole Impurity G
Pidotimod Impurity L Pidotimod Impurity L
Tadalafil Impuirty 20 Tadalafil Impuirty 20 2924098-58-6
Tenofovir Impurity 53 Tenofovir Impurity 53
(S)-3-(4-benzylphenoxy)tetrahydrofuran (S)-3-(4-benzylphenoxy)tetrahydrofuran C17H18O2
Ampicillin Ampicillin 1207726-28-0 C24H26N4O5S
ethyl 2-(4-(sec-butoxy)-3-cyanophenyl)-4-methylthiazole-5-
carboxylate ethyl 2-(4-(sec-butoxy)-3-cyanophenyl)-4-methylthiazole-5- carboxylate 2375033-35-3 C18H20N2O3S
(S)-Indacaterol (S)-Indacaterol 1384188-70-8 C24H29ClN2O3
Cefminox Sodium  Impurity 3 Cefminox Sodium Impurity 3 1420072-83-8 C16H21N7O6S4
Edaravone Impurity 26 Edaravone Impurity 26 152494-76-3
Levofloxacin Impurity 24 Levofloxacin Impurity 24 C18H20FN3O4
2-(((Z)-(1-(2-Aminothiazol-4-yl)-2-(((2R,3R)-2-methyl-4-oxo-1-sulfoazetidin-3-yl)amino)-2-oxoethylidene)amino)oxy)-2-methylpropanoic Acid 2-(((Z)-(1-(2-Aminothiazol-4-yl)-2-(((2R,3R)-2-methyl-4-oxo-1-sulfoazetidin-3-yl)amino)-2-oxoethylidene)amino)oxy)-2-methylpropanoic Acid C13H17N5O8S2
7-[4-[2-[[[4-(3-Carboxy-6-fluoro-1-methyl-4-oxo-1H,4H-[1,3]thiazeto[3,2-a]quinolin-7-yl)-1-piperazinyl]carbonyl]oxy]-3-oxobutyl]-1-piperazinyl]-6-fluoro-1-methyl-4-oxo-1H,4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid 7-[4-[2-[[[4-(3-Carboxy-6-fluoro-1-methyl-4-oxo-1H,4H-[1,3]thiazeto[3,2-a]quinolin-7-yl)-1-piperazinyl]carbonyl]oxy]-3-oxobutyl]-1-piperazinyl]-6-fluoro-1-methyl-4-oxo-1H,4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid 156834-58-1 C37H36F2N6O9S2
(6R,7S)-7-ACCA (6R,7S)-7-ACCA 108260-07-7 C7H7ClN2O3S
Enrofloxacin Impurity 1 Enrofloxacin Impurity 1 1128234-60-5 C19H22ClN3O3
Peramivir Impurity 20 Peramivir Impurity 20
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)
BOC-CHLORO BOC-CHLORO 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
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
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