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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
Rosuvastatin Impurity 105 Rosuvastatin Impurity 105
(2R,3R,4R,5S,6R)-2-(acetoxymethyl)-6-(4-chloro-3-(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate (2R,3R,4R,5S,6R)-2-(acetoxymethyl)-6-(4-chloro-3-(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate 1620758-27-1 C31H35ClO11
Febuxostat Impurity 99 Febuxostat Impurity 99
Furosemide Impurity 20 Furosemide Impurity 20
1-((2S,3S)-3-(4-(4-cyanophenyl)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 1-((2S,3S)-3-(4-(4-cyanophenyl)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
(3R,4R,5S)-ethyl 4,5-diacetamido-3-(pentan-3-yloxy)cyclohex-1- enecarboxylate (3R,4R,5S)-ethyl 4,5-diacetamido-3-(pentan-3-yloxy)cyclohex-1- enecarboxylate 1191921-01-3 C18H30N2O5
Ticagrelor Impurity 109 Ticagrelor Impurity 109
Ticagrelor Impurity 134 Ticagrelor Impurity 134
2-Propenamide, 2-cyano-3-(3,4-dihydroxyphenyl)-N,N-diethyl-, (2E)- 2-Propenamide, 2-cyano-3-(3,4-dihydroxyphenyl)-N,N-diethyl-, (2E)- 1217439-96-7 C14H16N2O3
Benzonitrile, 4,4'-[[2,2'-bis(hydroxymethyl)[1,1'-biphenyl]-4,4'-diyl]bis(oxy)]bis- Benzonitrile, 4,4'-[[2,2'-bis(hydroxymethyl)[1,1'-biphenyl]-4,4'-diyl]bis(oxy)]bis- 2254541-79-0 C28H20N2O4
Benzoic acid, 3-(butylamino)-5-[(butylamino)sulfonyl]-4-phenoxy- Benzoic acid, 3-(butylamino)-5-[(butylamino)sulfonyl]-4-phenoxy- 28469-01-4 C21H28N2O5S
Acetamide, N-[9-[[2-(acetyloxy)-1-(hydroxymethyl)ethoxy]methyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]- Acetamide, N-[9-[[2-(acetyloxy)-1-(hydroxymethyl)ethoxy]methyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]- 298197-26-9 C13 H17 N5 O6
Topiroxostat Impurity 46 Topiroxostat Impurity 46
Topiroxostat Impurity 43 Topiroxostat Impurity 43
N-(2-(1-hydroxycyclohexyl)-2-(4-methoxyphenyl)ethyl)-N-methyl formamide N-(2-(1-hydroxycyclohexyl)-2-(4-methoxyphenyl)ethyl)-N-methyl formamide 1643948-40-6 C17H25NO3
Regorafenib Impurity 40 Regorafenib Impurity 40
3-Quinolinecarboxylic acid, 1-cyclopropyl-7-fluoro-1,4-dihydro-6,8-dimethoxy-4-oxo-, ethyl ester 3-Quinolinecarboxylic acid, 1-cyclopropyl-7-fluoro-1,4-dihydro-6,8-dimethoxy-4-oxo-, ethyl ester 2489671-14-7 C17H18FNO5
Bisoprolol Impurity 17 Bisoprolol Impurity 17 109791-19-7 C15H23NO5
Furosemide Impurity 5 Furosemide Impurity 5 518336-22-6 C12H10ClNO3
Lumateperone Impurity 2 Lumateperone Impurity 2 313544-32-0 C16H19N3O3
Pramipexole Impurity 55 Pramipexole Impurity 55 959012-83-0 C8H11NO2
INDEX NAME NOT YET ASSIGNED INDEX NAME NOT YET ASSIGNED 2438857-80-6 C27H22F2N6O5
Nicergoline Impurity 01 Nicergoline Impurity 01
impurity 38 impurity 38
Benzonitrile, 4-[3-[(acetyloxy)methyl]-4-bromophenoxy]- Benzonitrile, 4-[3-[(acetyloxy)methyl]-4-bromophenoxy]- 2227126-09-0 C16H12BrNO3
3-Pyridineacrylonitrile, α-(m-chlorophenyl)-β-hydroxy- (8CI) 3-Pyridineacrylonitrile, α-(m-chlorophenyl)-β-hydroxy- (8CI) 18206-80-9 C14H9ClN2O
Androsta-3,16-dien-17-ol, acetate, (5α)- (9CI) Androsta-3,16-dien-17-ol, acetate, (5α)- (9CI) 103088-58-0 C21H30O2
1-Naphthalenamine, 1,2,3,4-tetrahydro-N-methyl-4-phenyl-, (1S,4S)- 1-Naphthalenamine, 1,2,3,4-tetrahydro-N-methyl-4-phenyl-, (1S,4S)- 91797-61-4 C17H19N
2-Pyridineethanamine, N-methyl-N-nitroso- 2-Pyridineethanamine, N-methyl-N-nitroso- 32635-81-7 C8H11N3O
Peramivir Impurity 45 Peramivir Impurity 45
Pentanamide, 5-(diphenylphosphinyl)-N-ethyl- Pentanamide, 5-(diphenylphosphinyl)-N-ethyl- 2512198-63-7 C19H24NO2P
1H-Pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxaline-8(7H)-carboxylic acid, 2,3,6b,9,10,10a-hexahydro-, ethyl ester, (6bR,10aS)- 1H-Pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxaline-8(7H)-carboxylic acid, 2,3,6b,9,10,10a-hexahydro-, ethyl ester, (6bR,10aS)- 313369-17-4 C16H21N3O2
Ergoline-8-methanol, 10-hydroxy-1,6-dimethyl-, 8-(5-bromo-3-pyridinecarboxylate), (8β)- Ergoline-8-methanol, 10-hydroxy-1,6-dimethyl-, 8-(5-bromo-3-pyridinecarboxylate), (8β)- 57935-66-7 C23H24BrN3O3
(5S,6S,7S)-7-(2-(1H-tetrazol-1-yl)acetamido)-3-(((5-methyl-1,3,4- thiadiazol-2-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2- ene-2-carboxylic acid 5-oxide (5S,6S,7S)-7-(2-(1H-tetrazol-1-yl)acetamido)-3-(((5-methyl-1,3,4- thiadiazol-2-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2- ene-2-carboxylic acid 5-oxide
Ethanone, 2-chloro-1-[3-nitro-4-(phenylmethoxy)phenyl]- Ethanone, 2-chloro-1-[3-nitro-4-(phenylmethoxy)phenyl]- 871266-45-4 C15H12ClNO4
Cisatracurium besylate impurity11 Cisatracurium besylate impurity11
(3R,5S,E)-tert-butyl 7-(4-(2-fluorophenyl)-6-isopropyl-2-(N-methyl methylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate (3R,5S,E)-tert-butyl 7-(4-(2-fluorophenyl)-6-isopropyl-2-(N-methyl methylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate
Acetamide, N-?[4-?[5-?(acetylamino)?-?2-?hydroxyphenoxy]?phenyl]?- Acetamide, N-?[4-?[5-?(acetylamino)?-?2-?hydroxyphenoxy]?phenyl]?- 2575516-61-7 C16H16N2O4
Ganciclovir EP Impurity Ganciclovir EP Impurity
Crisaborole Impurity 15 Crisaborole Impurity 15
Latamoxef impurity A Latamoxef impurity A
(E)-methyl 3-(((4-(N-methyl-2-(4-methylpiperazin-1-yl)acetamido)phenyl)amino)(phenyl)methylene)-2-oxoindoline-6-carboxylate (E)-methyl 3-(((4-(N-methyl-2-(4-methylpiperazin-1-yl)acetamido)phenyl)amino)(phenyl)methylene)-2-oxoindoline-6-carboxylate
1-(2-Fluor[1,1'-biphenyl]-4-yl)ethan-1-on 1-(2-Fluor[1,1'-biphenyl]-4-yl)ethan-1-on 42771-79-9 C14H11FO
m-Xylol-4,α,α'-triol m-Xylol-4,α,α'-triol 2937-60-2 C8H10O3
Oseltamivir Impurity 107 Oseltamivir Impurity 107
Oseltamivir  Impurity 66 Oseltamivir Impurity 66
Dapagliflozin Impurity 46 Dapagliflozin Impurity 46
Brexpiprazole Impurity ABCDEFGHJKL Brexpiprazole Impurity ABCDEFGHJKL
p,p'-(2-Pyridylmethylen)bisphenol p,p'-(2-Pyridylmethylen)bisphenol 603-41-8 C18H15NO2
Tazobactam Impurity DBT Tazobactam Impurity DBT
Diginatin Diginatin 52589-12-5 C41H64O15
Thiophene, 2-(2-fluorophenyl)-5-[(5-iodo-2-methylphenyl)methyl]- Thiophene, 2-(2-fluorophenyl)-5-[(5-iodo-2-methylphenyl)methyl]- 2436275-33-9 C18H14FIS
Revefenacin Impurity 2 Revefenacin Impurity 2 1158699-78-5 C14H17NO4
(R)-2-(4-Methoxyphenyl)-1-methylethanamine (R)-2-(4-Methoxyphenyl)-1-methylethanamine 58993-79-6 C10H15NO
N-[5-[(1RS)-2-[benzyl[(1RS)-2-(4-methoxyphenyl)- 1-methylethyl]amino]-1-hydroxyethyl]-2- hydroxyphenyl]formamide N-[5-[(1RS)-2-[benzyl[(1RS)-2-(4-methoxyphenyl)- 1-methylethyl]amino]-1-hydroxyethyl]-2- hydroxyphenyl]formamide 2514947-17-0 C26H30N2O4
Peramivir dehydrated deacetylated impurity Peramivir dehydrated deacetylated impurity
Cilastatin Impurity H Cilastatin Impurity H
(trans, trans)-3,3'-(1,4,7,10-tetraazacyclododecane-1,7-diyl)bis(butane-1,2,4-triol) (trans, trans)-3,3'-(1,4,7,10-tetraazacyclododecane-1,7-diyl)bis(butane-1,2,4-triol)
Azelastine Impurity K Azelastine Impurity K
(4R,6R)-6-(2-((1S,2S)-2,6-dimethyl-1,2,3,4-tetrahydronaphthalen-1- (4R,6R)-6-(2-((1S,2S)-2,6-dimethyl-1,2,3,4-tetrahydronaphthalen-1-
Carbazochrome Sodium Sulfonate Impurity 1 Carbazochrome Sodium Sulfonate Impurity 1
Rosuvastatin Impurity 147 Rosuvastatin Impurity 147
Febuxostat Impurity 15 Complete Set Febuxostat Impurity 15 Complete Set
Cetrorelix Impurity 10 Cetrorelix Impurity 10
Cetrorelix Impurity 3 (9-D-Pro) Cetrorelix Impurity 3 (9-D-Pro)
Peramivir Intermediate Impurity 42 Peramivir Intermediate Impurity 42
Nintedanib impurity A drops Nintedanib impurity A drops
Tofacitinib impurity N drops Tofacitinib impurity N drops
Carboprost impurity 999 Carboprost impurity 999
Bumetanide impurity C drops Bumetanide impurity C drops
Troxipide Impurity 6 Troxipide Impurity 6
Piperacillin Impurity K Piperacillin Impurity K
2-(6'-oxo-1'-phenyl-1',6'-dihydro-[2,3'-bipyridin]-5'-yl)benzoic acid 2-(6'-oxo-1'-phenyl-1',6'-dihydro-[2,3'-bipyridin]-5'-yl)benzoic acid
3-Thiophenecarboxylic acid, 4-methyl-5-(4-nitrophenyl)-2-[(propoxycarbonyl)amino]-, ethyl ester 3-Thiophenecarboxylic acid, 4-methyl-5-(4-nitrophenyl)-2-[(propoxycarbonyl)amino]-, ethyl ester 2591260-03-4 C18H20N2O6S
Pemetrexed disodium Impurity 32 Pemetrexed disodium Impurity 32
Androsta-1,4-diene-17-carboxylic acid, 11,16,17-trihydroxy-3-oxo-, (11β,16α,17α)- Androsta-1,4-diene-17-carboxylic acid, 11,16,17-trihydroxy-3-oxo-, (11β,16α,17α)- 1185143-75-2 C20H26O6
Tazobactam Impurity LTE Tazobactam Impurity LTE
Isavuconazole Impurity 47 Isavuconazole Impurity 47
5,5'-((1R,1'R)-((5,6-diethyl-2,3-dihydro-1H-inden-2-yl)azanediyl)bis(1-hydroxyethane-2,1-diyl))bis(8-(benzyloxy)quinolin-2(1H)-one) 5,5'-((1R,1'R)-((5,6-diethyl-2,3-dihydro-1H-inden-2-yl)azanediyl)bis(1-hydroxyethane-2,1-diyl))bis(8-(benzyloxy)quinolin-2(1H)-one) 753498-27-0 C49H49N3O6
2-((6S,8S,9S,10R,11S,13S,14S,17S)-11-hydroxy-6,10,13-trimethyl-3-oxo- 6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoacetic acid 2-((6S,8S,9S,10R,11S,13S,14S,17S)-11-hydroxy-6,10,13-trimethyl-3-oxo- 6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoacetic acid
	Eltrombopag Impurity 37 Eltrombopag Impurity 37 350024-70-3 C14H18N2O
2-(4-(2-(4-(1-(2-ethoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)-2-methylpropan-1-ol 2-(4-(2-(4-(1-(2-ethoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)-2-methylpropan-1-ol C28H39N3O2
Tafluprost Impurity 20 Tafluprost Impurity 20
Rosuvastatin Impurity 149 Rosuvastatin Impurity 149
2-CHLOROMETHYL-5-TRIFLUOROMETHYL-[1,3,4]OXADIAZOLE 2-CHLOROMETHYL-5-TRIFLUOROMETHYL-[1,3,4]OXADIAZOLE 723286-98-4 C4H2ClF3N2O
Rifampicin Quinone Oxide Rifampicin Quinone Oxide
1-(2-(4-(((2-(4-(([1,1'-biphenyl]-2-ylcarbamoyl)oxy)piperidin-1-yl)ethyl)(methyl)amino)methyl)-N-methylbenzamido)ethyl)piperidin-4-yl [1,1'-biphenyl]-2-ylcarbamate 1-(2-(4-(((2-(4-(([1,1'-biphenyl]-2-ylcarbamoyl)oxy)piperidin-1-yl)ethyl)(methyl)amino)methyl)-N-methylbenzamido)ethyl)piperidin-4-yl [1,1'-biphenyl]-2-ylcarbamate
1-Phenyl-3,4-dihydroisoquinoline 1-Phenyl-3,4-dihydroisoquinoline 52250-50-7 C15H13N
Pyrazinecarboxamide, 3,6-difluoro- (9CI) Pyrazinecarboxamide, 3,6-difluoro- (9CI) 356783-29-4 C5H3F2N3O
Benzamide, 3-hydrazino- (9CI) Benzamide, 3-hydrazino- (9CI) 473927-51-4 C7H9N3O
4-[5-({2-[(4-{5-[Bis(2-chloroethyl)amino]-1-methyl-1H-benzimidazol-2-yl}butanoyl)oxy]ethyl}(2-chloroethyl)amino)-1-methyl-1H benzimidazol-2-yl]butanoic acid 4-[5-({2-[(4-{5-[Bis(2-chloroethyl)amino]-1-methyl-1H-benzimidazol-2-yl}butanoyl)oxy]ethyl}(2-chloroethyl)amino)-1-methyl-1H benzimidazol-2-yl]butanoic acid 1926162-37-9 C32H42Cl4N6O4
Isavuconazole Impurity 39 Isavuconazole Impurity 39 207224-73-5 C21H18F2N4OS
Isavuconazole Impurityi45 Isavuconazole Impurityi45
Gatifloxacinacid Gatifloxacinacid 121577-32-0 C19H22FN3O4.ClH
Bisoprolol Impurity 41 Bisoprolol Impurity 41
1,4-Naphthalenedione, 2-(3-hydroxy-3,7,11,15-tetramethyl-1,6,10,14-hexadecatetraenyl)-3-methyl-, (,E,E)- (9CI) 1,4-Naphthalenedione, 2-(3-hydroxy-3,7,11,15-tetramethyl-1,6,10,14-hexadecatetraenyl)-3-methyl-, (,E,E)- (9CI) 65061-22-5 C31H40O3
Piperacilin Piperacilin
	Varenicline Impurity D Varenicline Impurity D 1002359-81-0
2-Propanone, 1-(2-hydroxypropoxy)- (9CI) 2-Propanone, 1-(2-hydroxypropoxy)- (9CI) 90817-38-2 C6H12O3
Nirmatrelvir Impurity 4 Nirmatrelvir Impurity 4
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