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
Lafutidine IMpuritiy B Lafutidine IMpuritiy B 174583-84-7 C22H29N3O5S
N-(Methylsulfonyl)-N-(2-phenoxyphenyl)MethanesulfonaMide N-(Methylsulfonyl)-N-(2-phenoxyphenyl)MethanesulfonaMide 905858-63-1 C14H15NO5S2
4,5-Dihydro-α,3-diMethyl-5-oxo-1-phenyl-α-sulfo-1H-pyrazole-4-acetic Acid 4,5-Dihydro-α,3-diMethyl-5-oxo-1-phenyl-α-sulfo-1H-pyrazole-4-acetic Acid 1357477-99-6 C13H14N2O6S
tert-butyl 4-(2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)Methyl)benzoyl)piperazine-1-carboxylate tert-butyl 4-(2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)Methyl)benzoyl)piperazine-1-carboxylate 763114-04-1 C25H27FN4O4
1H-IMidazole, 4-Methyl-1-[3-nitro-5-(trifluoroMethyl)phenyl]- 1H-IMidazole, 4-Methyl-1-[3-nitro-5-(trifluoroMethyl)phenyl]- 916975-92-3 C11H8F3N3O2
Edaravone iMpurity P3 Edaravone iMpurity P3 1323485-71-7 C13H16N2O4S
Ondansetron Impurity B Ondansetron Impurity B
LeflunoMide EP IMpurity F LeflunoMide EP IMpurity F 1403564-06-6 C12H9F3N2O2
4'-((1,7'-dimethyl-2'-propyl-1H,1'H-2,5'-bibenzo[d]imidazol-1'-yl)methyl)biphenyl-2-carboxylic acid 4'-((1,7'-dimethyl-2'-propyl-1H,1'H-2,5'-bibenzo[d]imidazol-1'-yl)methyl)biphenyl-2-carboxylic acid
Itraconazole iMpurity D Itraconazole iMpurity D
3-amino-2-chloroacrolein 3-amino-2-chloroacrolein 221615-73-2 C3H4ClNO
3-Amino-4-pyrazolecarbonitrile 3-Amino-4-pyrazolecarbonitrile 16617-46-2 C4H4N4
BenzaMide, 3,4-bis(cyclopropylMethoxy)-N-(3,5-dichloro-4-pyridinyl)- BenzaMide, 3,4-bis(cyclopropylMethoxy)-N-(3,5-dichloro-4-pyridinyl)- 1391052-24-6 C20H20Cl2N2O3
4-ISOBUTYRYLACETOPHENONE 4-ISOBUTYRYLACETOPHENONE 103931-20-0 C12H14O2
ButanaMide, 4-hydroxy-N-(1-Methylethyl)- ButanaMide, 4-hydroxy-N-(1-Methylethyl)- 42042-66-0 C7H15NO2
5H-chroMeno[2,3-b]pyridin-7-ylacetic acid 5H-chroMeno[2,3-b]pyridin-7-ylacetic acid 52549-07-2 C14H11NO3
IMp. B (EP): (2RS,4S)-2-[[[[3-(2-Chloro-6-fluorophenyl)-5-Methylisoxazol-4-yl]carbonyl]aMino]Methyl]-5,5-diMethyl- thiazolidine-4-carboxylic Acid (Penilloic Acids of Flucloxacillin) IMp. B (EP): (2RS,4S)-2-[[[[3-(2-Chloro-6-fluorophenyl)-5-Methylisoxazol-4-yl]carbonyl]aMino]Methyl]-5,5-diMethyl- thiazolidine-4-carboxylic Acid (Penilloic Acids of Flucloxacillin)
IMp. C (EP): (4-(DiphenylMethyl)-1,1-bis[(E)-3-phenylprop-2-enyl]piperaziniuM Chloride IMp. C (EP): (4-(DiphenylMethyl)-1,1-bis[(E)-3-phenylprop-2-enyl]piperaziniuM Chloride 95062-18-3 C35H35ClF2N2
Cabozantinib impurity 57 Cabozantinib impurity 57
(2R,3S)-3-(6-(1-(6-chloro-5-fluoropyrimidin-4-yl)ethyl)-5-fluoropyrimidin-4-yl)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol hydrochloride (2R,3S)-3-(6-(1-(6-chloro-5-fluoropyrimidin-4-yl)ethyl)-5-fluoropyrimidin-4-yl)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol hydrochloride
(R)-2-((2R,5R)-3,6-dioxo-5-phenylpiperazin-2-yl)-5-methyl-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid (R)-2-((2R,5R)-3,6-dioxo-5-phenylpiperazin-2-yl)-5-methyl-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid 860011-30-9 C16H17N3O4S
Dapoxetine impurity 54 Dapoxetine impurity 54
Doxofylline Impurity 21 Doxofylline Impurity 21
Dapoxetine impurity 60 Dapoxetine impurity 60
Bosutinib Impurity 37 Bosutinib Impurity 37 2095306-27-5 C39H30Cl4N6O6
3-Hydroxy-1-methylindolin-5,6-dion 3-Hydroxy-1-methylindolin-5,6-dion 54-06-8 C9H9NO3
TELMISARTAN-D3 TELMISARTAN-D3 1189889-44-8 C33H27D3N4O2
4-(4-Chlor-1,2,5-thiadiazol-3-yl)morpholin 4-(4-Chlor-1,2,5-thiadiazol-3-yl)morpholin 30165-96-9 C6H8ClN3OS
Atomoxetine impurity D CRS Atomoxetine impurity D CRS 873310-29-3 C17H21NO
Beraprost Impurity 2 Beraprost Impurity 2
Brivudine Impurity 2 Brivudine Impurity 2
3-METHOXYCARBONYLAMINO-4-METHYLPYRIDINE 3-METHOXYCARBONYLAMINO-4-METHYLPYRIDINE 694495-63-1 C8H10N2O2
4-chloro-6-(1-(6-ethyl-5-fluoropyrimidin-4-yl)ethyl)-5-fluoropyrimidine 4-chloro-6-(1-(6-ethyl-5-fluoropyrimidin-4-yl)ethyl)-5-fluoropyrimidine
Empagliflozin Impurity 74 Empagliflozin Impurity 74
Empagliflozin Impurity 78 Empagliflozin Impurity 78
Empagliflozin Impurity 85 Empagliflozin Impurity 85
Relugolix Impurity 11 Relugolix Impurity 11
(8S,16S,Z)-16-amino-5-(2-aminothiazol-4-yl)-11-imino-2,2-dimethyl-6,9-dioxo-8-((S)-1-(sulfoamino)ethyl)-3-oxa-4,7,10,12-tetraazaheptadec-4-ene-1,17-dioic acid (8S,16S,Z)-16-amino-5-(2-aminothiazol-4-yl)-11-imino-2,2-dimethyl-6,9-dioxo-8-((S)-1-(sulfoamino)ethyl)-3-oxa-4,7,10,12-tetraazaheptadec-4-ene-1,17-dioic acid
1-(3,4-bis(hydroxymethyl)-1H-pyrrol-2-yl)ethan-1-one 1-(3,4-bis(hydroxymethyl)-1H-pyrrol-2-yl)ethan-1-one
Gadobutrol Impurity 32 Gadobutrol Impurity 32 C14H23GdN4O6
Ornidazole Impurity 23 Ornidazole Impurity 23 1100750-18-2
Olanzapine impurity CNB Olanzapine impurity CNB
Pitavastatin Impurity 74 Pitavastatin Impurity 74 167934-30-7 C29H30FNO4
Etoricoxib Impurity 35 Etoricoxib Impurity 35 855307-79-8 C18H13ClN2O2S
Febuxostat Impurity 102 Febuxostat Impurity 102
Ticagrelor Impurity 131 Ticagrelor Impurity 131
door bird impurities door bird impurities
Topiroxostat Impurity 41 Topiroxostat Impurity 41
1-((2R,3R)-3-(4-(4-cyanophenyl)thiazol-2-yl)-2-(2,5-difluorophenyl)-2-hydroxybutyl)-4-(1-((methyl(3-((2-(methylamino)acetoxy)methyl)pyridin-1-oxide-2-yl)carbamoyl)oxy)ethyl)-1H-1,2,4-triazol-4-ium 1-((2R,3R)-3-(4-(4-cyanophenyl)thiazol-2-yl)-2-(2,5-difluorophenyl)-2-hydroxybutyl)-4-(1-((methyl(3-((2-(methylamino)acetoxy)methyl)pyridin-1-oxide-2-yl)carbamoyl)oxy)ethyl)-1H-1,2,4-triazol-4-ium
2-Piperidinecarboxylic acid, 1-formyl-, (1S,2R,3S,6R,7E,10S,12S)-3-hydroxy-1-[(1E)-2-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-1-methylethenyl]-12-methoxy-2,8,10-trimethyl-5-oxo-6-(2-propen-1-yl)-12-[(2R,3S,5R)-tetrahydro-3-methoxy-5-methyl-6-oxo-2H-pyra 2-Piperidinecarboxylic acid, 1-formyl-, (1S,2R,3S,6R,7E,10S,12S)-3-hydroxy-1-[(1E)-2-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-1-methylethenyl]-12-methoxy-2,8,10-trimethyl-5-oxo-6-(2-propen-1-yl)-12-[(2R,3S,5R)-tetrahydro-3-methoxy-5-methyl-6-oxo-2H-pyra 143210-33-7 C43H69NO11
Blonanserin Impurity 15 Blonanserin Impurity 15 143213-96-1 C17H17ClFNO
1H-Pyrazole-1-propanoic acid, β-cyclopentyl-4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-, (βR)- 1H-Pyrazole-1-propanoic acid, β-cyclopentyl-4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-, (βR)- 2102675-40-9 C17H19N5O2
sodium ((S)-4-(4-(2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d] pyrimidin-5-yl)ethyl)benzamido)-4-carboxylatobutanoyl)-L-glutamate sodium ((S)-4-(4-(2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d] pyrimidin-5-yl)ethyl)benzamido)-4-carboxylatobutanoyl)-L-glutamate
IMp. E (EP): 4-AMino-5-(ethylsulphonyl)-2-Methoxybenzoic Acid IMp. E (EP): 4-AMino-5-(ethylsulphonyl)-2-Methoxybenzoic Acid
1H-Purin-2-amine, 6,9-dihydro-9-[(1S,3R,4S)-2-methylene-4-(phenylmethoxy)-3-[(phenylmethoxy)methyl]cyclopentyl]-6-(phenylmethoxy)-N-(triphenylmethyl)- 1H-Purin-2-amine, 6,9-dihydro-9-[(1S,3R,4S)-2-methylene-4-(phenylmethoxy)-3-[(phenylmethoxy)methyl]cyclopentyl]-6-(phenylmethoxy)-N-(triphenylmethyl)- 2097265-84-2 C52H49N5O3
6,6'-oxybis(3-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzonitrile) 6,6'-oxybis(3-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzonitrile)
Glycine, N-[(1-ethyl-4-hydroxy-7-phenoxy-3-isoquinolinyl)carbonyl]- Glycine, N-[(1-ethyl-4-hydroxy-7-phenoxy-3-isoquinolinyl)carbonyl]- 808120-20-9 C20H18N2O5
Vonoprazan Impurity 55 Vonoprazan Impurity 55
N-(5-((diphenylphosphoryl)methyl)-4-(2-fluorophenyl)-6-isopropylpyrimidin-2-yl)-N-methylmethanesulfonamide N-(5-((diphenylphosphoryl)methyl)-4-(2-fluorophenyl)-6-isopropylpyrimidin-2-yl)-N-methylmethanesulfonamide
Ethane, 1,1,1-trichloro-2,2,2-trimethoxy- Ethane, 1,1,1-trichloro-2,2,2-trimethoxy- 19932-79-7 C5H9Cl3O3
Budesonide Impurity 29 Budesonide Impurity 29
Budesonide Impurity 20 Budesonide Impurity 20
Glycine, N-[(4-methylphenyl)sulfonyl]glycyl-, ethyl ester Glycine, N-[(4-methylphenyl)sulfonyl]glycyl-, ethyl ester 2478-45-7 C13H18N2O5S
Pneumocandin B0, 1-[(4R,5S)-5-[(2-aminoethyl)amino]-N2-[(10R,12S)-10,12-dimethyl-1-oxotetradecyl]-4-hydroxy-L-ornithine]- Pneumocandin B0, 1-[(4R,5S)-5-[(2-aminoethyl)amino]-N2-[(10R,12S)-10,12-dimethyl-1-oxotetradecyl]-4-hydroxy-L-ornithine]- 1404083-47-1 C52H86N10O16
(E)-3-(4-((3-(1-(4-((1H-imidazol-1-yl)methyl)phenyl)-2-carboxyethyl)-1H-imidazol-3-ium-1-yl)methyl)phenyl)acrylate (E)-3-(4-((3-(1-(4-((1H-imidazol-1-yl)methyl)phenyl)-2-carboxyethyl)-1H-imidazol-3-ium-1-yl)methyl)phenyl)acrylate
Cisatracurium besylate impurity 21 Cisatracurium besylate impurity 21
Dacomitinib Impurity Dacomitinib Impurity
6-O-DESMETHYL DONEPEZIL 6-O-DESMETHYL DONEPEZIL 120013-56-1 C23H27NO3
2-(2-METHYL-4-NITRO-IMIDAZOL-1-YL)-ETHANOL 2-(2-METHYL-4-NITRO-IMIDAZOL-1-YL)-ETHANOL 705-19-1 C6H9N3O3
Dimethyl-2,6-dimethyl-4-(3-nitrophenyl)pyridin-3,5-dicarboxylat Dimethyl-2,6-dimethyl-4-(3-nitrophenyl)pyridin-3,5-dicarboxylat 76258-20-3 C17H16N2O6
3-(2-TRIFLUOROMETHYL-PHENYL)-PROPAN-1-OL 3-(2-TRIFLUOROMETHYL-PHENYL)-PROPAN-1-OL 191155-81-4 C10H11F3O
monocalcium mono((3R,5S,E)-7-(4-(2-fluorophenyl)-6-isopropyl-2- (N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6- enoate) monocalcium mono((3R,5S,E)-7-(4-(2-fluorophenyl)-6-isopropyl-2- (N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6- enoate)
Benzenepropanoic acid, 4-(2-oxiranylmethoxy)- Benzenepropanoic acid, 4-(2-oxiranylmethoxy)- 2167848-51-1 C12H14O4
(S)-(+)-N,N-Dimethyl-3-(1-naphthalenyloxy)-3-(2-thienyl)propanamine (S)-(+)-N,N-Dimethyl-3-(1-naphthalenyloxy)-3-(2-thienyl)propanamine 132335-46-7 C19H21NOS
D-Tryptophan, N-(trifluoroacetyl)- (9CI) D-Tryptophan, N-(trifluoroacetyl)- (9CI) 22220-03-7 C13H11F3N2O3
2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)-N-(5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)-1H-indazol-3-yl)benzamide 2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)-N-(5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)-1H-indazol-3-yl)benzamide
1H-benzo[d][1,2,3]triazol-1-yl 2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoate 1H-benzo[d][1,2,3]triazol-1-yl 2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoate
1-Ethyl-3(3-dimethylamino)urea 1-Ethyl-3(3-dimethylamino)urea 32897-26-0 C8H19N3O
Brivaracetam Impurity 29 Brivaracetam Impurity 29
L-erythro-Hexuronic acid, 3,5-dideoxy-, 1,1-dimethylethyl ester L-erythro-Hexuronic acid, 3,5-dideoxy-, 1,1-dimethylethyl ester 1501982-84-8 C10H18O5
Benzoic acid, 2-(1',6'-dihydro-6'-oxo-1'-phenyl[2,3'-bipyridin]-5'-yl)-, methyl ester Benzoic acid, 2-(1',6'-dihydro-6'-oxo-1'-phenyl[2,3'-bipyridin]-5'-yl)-, methyl ester 543699-60-1 C24H18N2O3
1,2-Bis(2-methoxyphenoxy)ethan 1,2-Bis(2-methoxyphenoxy)ethan 553-45-7 C16H18O4
Dispiro[11H-benzo[5,6]cyclohepta[1,2-b]pyridine-11,2'-oxirane-3',4''-piperidine]-1''-carboxylic acid, 8-chloro-5,6-dihydro-, ethyl ester, 1-oxide Dispiro[11H-benzo[5,6]cyclohepta[1,2-b]pyridine-11,2'-oxirane-3',4''-piperidine]-1''-carboxylic acid, 8-chloro-5,6-dihydro-, ethyl ester, 1-oxide 1432057-93-6 C22H23ClN2O4
Oseltamivir Impurity 109 Oseltamivir Impurity 109
Oseltamivir  Impurity 81 Oseltamivir Impurity 81
Oseltamivir  Impurity 71 Oseltamivir Impurity 71
(-)-Menthylbenzoat (-)-Menthylbenzoat 6284-35-1 C17H24O2
1-Hydrazino-3-(methylthio)propan-2-ol 1-Hydrazino-3-(methylthio)propan-2-ol 14359-97-8 C4H12N2OS
Benzenemethanol, 4-(3-chloro-2-hydroxypropoxy)- Benzenemethanol, 4-(3-chloro-2-hydroxypropoxy)- 293302-44-0 C10H13ClO3
N,N-bis((5-(2-fluorophenyl)-1H-pyrrol-3-yl)methyl)pyridine-3-sulfonamide N,N-bis((5-(2-fluorophenyl)-1H-pyrrol-3-yl)methyl)pyridine-3-sulfonamide 2514957-29-8 C27H22F2N4O2S
2,4(1H,3H)-Pyrimidinedione, 1-β-L-ribofuranosyl-, 4-oxime (9CI) 2,4(1H,3H)-Pyrimidinedione, 1-β-L-ribofuranosyl-, 4-oxime (9CI) 402725-23-9 C9H13N3O6
1H-Indole-2-sulfonic acid, 6-hydroxy-1-methyl- 1H-Indole-2-sulfonic acid, 6-hydroxy-1-methyl- 2271443-87-7 C9H9NO4S
methyl 4-hydroxy-2-oxopyrrolidine-1-acetate methyl 4-hydroxy-2-oxopyrrolidine-1-acetate 85614-52-4 C7H11NO4
Sitagliptin EP Impurity 5 Sitagliptin EP Impurity 5
Simvastatin Impurity 6 Simvastatin Impurity 6
Pemetrexed Impurity 42 Pemetrexed Impurity 42
2-(6-Aminopurin-9-yl)ethanol 2-(6-Aminopurin-9-yl)ethanol 707-99-3 C7H9N5O
9-Azabicyclo[3.3.1]Nonane-9-Acetic Acid, 3-(Ethoxycarbonyl)-7-Oxo-, Ethyl Ester 9-Azabicyclo[3.3.1]Nonane-9-Acetic Acid, 3-(Ethoxycarbonyl)-7-Oxo-, Ethyl Ester 115956-03-1 C15H23NO5
Cefathiamidine Impurity F Cefathiamidine Impurity F
1-(Bromophenylmethyl)-4-chlorobenzene 1-(Bromophenylmethyl)-4-chlorobenzene 948-54-9 C13H10BrCl
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