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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
Timolol EP Impurity I Timolol EP Impurity I
172967-64-5 172967-64-5 172967-64-5 C18H16ClNO3
Pregabalin Impurity PD0224377 Pregabalin Impurity PD0224377 501665-97-0 C14H25NO6
Nintedanib Impurity 24 Nintedanib Impurity 24
2-(((3,4-dimethoxypyridin-2-yl)methyl)thio)-1H-benzo[d]
imidazol-5-ol 2-(((3,4-dimethoxypyridin-2-yl)methyl)thio)-1H-benzo[d] imidazol-5-ol 1166386-02-2 C15H15N3O3S
N-((2-(5-methyl-4-phenylisoxazol-3-yl)phenyl)sulfonyl)propionamide N-((2-(5-methyl-4-phenylisoxazol-3-yl)phenyl)sulfonyl)propionamide 2304623-38-7 C19H18N2O4S
Cefminox Impurity 1 Cefminox Impurity 1
Amlodipine Impurity 25 Amlodipine Impurity 25 C26H31ClN2O8S
Erlotinib Impurity 38 Erlotinib Impurity 38
Etoricoxib Impurity 31 Etoricoxib Impurity 31
Nicorandil Impurity 6 Nicorandil Impurity 6
tirofiban Impurity 1 DIHCl tirofiban Impurity 1 DIHCl
Fingolimod 2-Phenethyl Analog Fingolimod 2-Phenethyl Analog 851039-25-3 C35H57NO2
Ritonavir EP Impurity O Ritonavir EP Impurity O 1414933-81-5 C37H48N6O5S2
Entecavir Impurity 17(Entecavir EP Impurity C) Entecavir Impurity 17(Entecavir EP Impurity C) 2204369-23-1 C12H15N5O4
Gemcitabine Impurity 9 Gemcitabine Impurity 9 2174019-90-8 C16H15F2N3O5
Sacubitril Sacubitril 1361408-17-4 C18H20ClNO2
Empagliflozin Impurity 43 Empagliflozin Impurity 43
Norfloxacin Imp.(EP) Norfloxacin Imp.(EP) 1911573-08-4 C34H52FN3O4
Rocuronium Bromide Impurity Rocuronium Bromide Impurity 13492-57-4 C27H44N2O4
Ruxolitinib  Impurity Ruxolitinib Impurity
Roxithromycin h Roxithromycin h
Ixazomib Impurity 2 Ixazomib Impurity 2
sildenafil impurity I sildenafil impurity I C22H30N6O4S
4-(benzyloxy)-2-methyl-1H-benzo[d]imidazole-6-carboxylic acid 4-(benzyloxy)-2-methyl-1H-benzo[d]imidazole-6-carboxylic acid 942195-83-7 C16H14N2O3
Tofacitinib Impurity G Tofacitinib Impurity G
Ceftaroline Fosamil Impurity 6 Ceftaroline Fosamil Impurity 6 953037-71-3 C22H20N8O5S4
Zolmitriptan Related Compound F Zolmitriptan Related Compound F 1350928-05-0 C38H53N7O4
4-(4-benzo[b]thiophen-4-yl-piperazin-1-yl)butan-1-ol 4-(4-benzo[b]thiophen-4-yl-piperazin-1-yl)butan-1-ol 913614-15-0 C16H22N2OS
3-((methoxycarbonyl)methyl)-5-methylhexanoic acid 3-((methoxycarbonyl)methyl)-5-methylhexanoic acid 181289-11-2 C10H18O4
Cyanocobalamin Impurity F Cyanocobalamin Impurity F 23208-66-4 C63H85CoN13O15P
Nintedanib Impurity G (Intedanib Impurity G) Nintedanib Impurity G (Intedanib Impurity G)
Canagliflozin alpha-Isomer Impurity Canagliflozin alpha-Isomer Impurity
Dapagliflozin Impurity 4 Dapagliflozin Impurity 4 960404-50-6
Isavuconazole Impurity 9 Isavuconazole Impurity 9
Bisoprolol EP Impurity N Bisoprolol EP Impurity N 1346601-75-9 C17H29NO4
Rosuvastatin EP Impurity J Rosuvastatin EP Impurity J
Bosutinib Impurity Bosutinib Impurity 380843-12-9 C19H15Cl2N3O3
4-(4-Chloro-pyrimidin-2-ylamino)-benzamide 4-(4-Chloro-pyrimidin-2-ylamino)-benzamide 1629023-90-0 C18H12N6
Methyl 4-(4-fluorophenyl)-6-isopropyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate Methyl 4-(4-fluorophenyl)-6-isopropyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate 488798-36-3 C15H17FN2O3
Nateglinide Methyl Ester Nateglinide Methyl Ester 105746-47-2 C20H29NO3
(1S,2S,3R,5S)-3-(5-Amino-6-chloro-2-(propylthio)pyrimidin-4-ylamino)-5-(2-hydroxyethoxy)cyclopentane-1,2-diol (1S,2S,3R,5S)-3-(5-Amino-6-chloro-2-(propylthio)pyrimidin-4-ylamino)-5-(2-hydroxyethoxy)cyclopentane-1,2-diol 1402150-32-6 C14H23ClN4O4S
1-tosyl-1,4,8,11-tetraazacyclotetradecane trihydrochloride 1-tosyl-1,4,8,11-tetraazacyclotetradecane trihydrochloride 128495-30-7 C17H31ClN4O2S
Fluconazole Fluconazole 163921-62-8 C13H10F2N6
Vecuronium Bromide EP Impurity F Vecuronium Bromide EP Impurity F 18668-29-6 C26H41NO3
4,8-bis(4-((1,4,8,11-tetraazacyclotetradecan-4,8,11- trifluoroacetyl-1-yl)methyl)benzyl)-1,11-difluoroacetyl- 1,4,8,11-tetraazacyclotetradecane 4,8-bis(4-((1,4,8,11-tetraazacyclotetradecan-4,8,11- trifluoroacetyl-1-yl)methyl)benzyl)-1,11-difluoroacetyl- 1,4,8,11-tetraazacyclotetradecane
Imidafenacin Related Compound 11 Imidafenacin Related Compound 11 170105-09-6 C19H17N3
4-[3-(Hydroxymethyl)phenoxy]benzonitrile 4-[3-(Hydroxymethyl)phenoxy]benzonitrile 888967-63-3 C14H11NO2
Acetaminophen Impurity B Acetaminophen Impurity B 98966-17-7 C16H16N2O4
Furosemide Impurity 2 Furosemide Impurity 2 C12H11ClN2O5S
Ribavirin Impurity I Ribavirin Impurity I
Silodosin Impurity 2 Silodosin Impurity 2
Tenofovir Impurity 52 Tenofovir Impurity 52 146297-30-5
Amifostine Impurity 7 Amifostine Impurity 7 174397-83-2 C7H16Br2N2
Lamivudine impurity 6 Lamivudine impurity 6 147126-64-5 C14H24O4S
Palbociclib Impurity G Palbociclib Impurity G
Trifluridine Impurity 1 Trifluridine Impurity 1
Tigecycline Impurity 1 Tigecycline Impurity 1 1138343-10-8 C29H38N5O10+
Cephalexin Impurity 3 Cephalexin Impurity 3 C16H17N3O4S
Vonoprazan Impurity 2 Vonoprazan Impurity 2
Sildenafil Impurity F Sildenafil Impurity F 263897-18-3 C21H28N6O4S
Cetirizine impurity 5 Cetirizine impurity 5 C21H25ClN2O3
Valsartan impurity 35 Valsartan impurity 35 1283097-98-2 C24H29N5O3
Valsartan Impurity 16 Valsartan Impurity 16 2680532-87-8 C7H16N2O
Istradefylline Impurity 1 Istradefylline Impurity 1
Everolimus impurity 4 Everolimus impurity 4
Ambrisentan Impurity 3 Ambrisentan Impurity 3 178306-49-5 C16H16O4
Erlotinib Imp.15 Erlotinib Imp.15
Erlotinib Imp.5 Erlotinib Imp.5
Ticagrelor Imp.Q Ticagrelor Imp.Q
(1R,3R)-Solifenacin Succinate 2 (1R,3R)-Solifenacin Succinate 2 740780-79-4 C23H26N2O2
Daptomycin Impurity 3 Daptomycin Impurity 3
Duluvir impurity 1 Duluvir impurity 1
Lincomycin sulfoxide Impurity D Lincomycin sulfoxide Impurity D
Lornoxicam Impurity 4 Lornoxicam Impurity 4
Netupitant Impurity 3 Netupitant Impurity 3
nicergoline impurity B nicergoline impurity B
Tacrolimus Impurity B Tacrolimus Impurity B
Oxytetracycline Impurity Oxytetracycline Impurity
1H-Benz[de]isoquinolin-1-one,2,4,5,6-tetrahydro-2-[(3S)-1-oxido-1-azabicyclo[2.2.2]oct-3-yl]- 1H-Benz[de]isoquinolin-1-one,2,4,5,6-tetrahydro-2-[(3S)-1-oxido-1-azabicyclo[2.2.2]oct-3-yl]- 1021456-82-5 C19H22N2O2
Erlotinib Impurity 20 Erlotinib Impurity 20 236750-62-2 C13H20N2O5
6-amino-1,5-dimethylpyrimidine-2,4(1H,3H)-dione 6-amino-1,5-dimethylpyrimidine-2,4(1H,3H)-dione 63959-47-7 C6H9N3O2
Ciclosporin impurity Ciclosporin impurity 2715287-08-2
Atomoxetine impurity Atomoxetine impurity 42064-62-0 C18H24ClNO
Conivaptan impurity Conivaptan impurity 1129433-63-1 C32H26N4O2
Terazosin impurity Terazosin impurity 1260939-66-9 C19H27N5O4
ent-Ivabradine Hydrochloride ent-Ivabradine Hydrochloride 167072-91-5 C27H36N2O5
SofosBuvir Impurity 2 SofosBuvir Impurity 2
isopropyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate isopropyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate 1346238-10-5 C19H22N2O3S
1,3-diphenylpropan-1-ol 1,3-diphenylpropan-1-ol 14097-24-6 C15H16O
Canagliflozin Impurity 21 Canagliflozin Impurity 21
Canagliflozin Impurity 7 Canagliflozin Impurity 7
Fasudil Impurity 5 Fasudil Impurity 5 2044702-91-0 C10H9NO3S
Ibrutinib Impurity 10 Ibrutinib Impurity 10 C50H48N12O4
Lesinurad Impurity 4 Lesinurad Impurity 4 1533519-97-9 C17H14BrN3O2S
1-(5-(2-fluorophenyl)-1H-pyrrol-3-yl)-N-methylmethanamine 1-(5-(2-fluorophenyl)-1H-pyrrol-3-yl)-N-methylmethanamine 1610043-62-3 C12H13FN2
FeBuxostat Impurity 26 FeBuxostat Impurity 26 1886961-39-2 C14H12N2O3S
Rivaroxaban degradation impurity 2 Rivaroxaban degradation impurity 2
(S)-methyl 2-(((S)-(perfluorophenoxy)(phenoxy)phosphoryl)amino)propanoate (S)-methyl 2-(((S)-(perfluorophenoxy)(phenoxy)phosphoryl)amino)propanoate 1911578-88-5 C16H13F5NO5P
(R)-3-((R)-2-cyclopentyl-2-hydroxy-2-phenylacetoxy)-1,1-dimethylpyrrolidin-1-ium (R)-3-((R)-2-cyclopentyl-2-hydroxy-2-phenylacetoxy)-1,1-dimethylpyrrolidin-1-ium C19H28NO3+
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