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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
Tolvaptan Impurity 11 Tolvaptan Impurity 11 331947-69-4 C16H14ClNO2
(S)-2-((R)-2,5-dioxo-3-propylpyrrolidin-1-yl)butanamide (S)-2-((R)-2,5-dioxo-3-propylpyrrolidin-1-yl)butanamide 2432911-31-2 C11H18N2O3
(S)-N-((S)-1-amino-1-oxobutan-2-yl)-3-(bromomethyl)hexanamide (S)-N-((S)-1-amino-1-oxobutan-2-yl)-3-(bromomethyl)hexanamide
Peramivir Impurity 17 Peramivir Impurity 17
Peramivir Impurity 23 Peramivir Impurity 23
Silodosin Carboxylic Acid Impurity Silodosin Carboxylic Acid Impurity 1431373-77-1 C25H31F3N2O5
Pramipexole Impurity M Pramipexole Impurity M
Premastast Impurity 2 Premastast Impurity 2
Peramivir Impurity 26 Peramivir Impurity 26
Peramivir Impurity 34 Peramivir Impurity 34
(S)-2-(1-azabicyclo[2.2.2]oct-3-yl)-2,4,5,6-tetrahydro-1H-benz[de]isoquinolin-1-one hydrochloride (S)-2-(1-azabicyclo[2.2.2]oct-3-yl)-2,4,5,6-tetrahydro-1H-benz[de]isoquinolin-1-one hydrochloride
Imatinib impurity BY Imatinib impurity BY
6β-Methylprednisolone 6β-Methylprednisolone 18462-27-6 C22H30O5
DEXTROMETHORPHAN N-OXIDE DEXTROMETHORPHAN N-OXIDE 1177494-18-6 C18H25NO2
1-[(2-CHLOROPHENYL)DIPHENYLMETHYL]-1H-PYRAZOLE 1-[(2-CHLOROPHENYL)DIPHENYLMETHYL]-1H-PYRAZOLE C22H17ClN2
Celecoxib Impurity 2 Celecoxib Impurity 2 948293-46-7 C11H9F3N2
1-METHYL-4-PHENYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOL-5-AMINE 1-METHYL-4-PHENYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOL-5-AMINE 63156-74-1 C11H10F3N3
AURORA KA-7735 AURORA KA-7735 6487-86-1 C9H13NO2
Sugammadex sodium Impurity 45 Sugammadex sodium Impurity 45
Carboprost Trometamol 1 Carboprost Trometamol 1
Tenofovir Impurity 113 Tenofovir Impurity 113 1335287-28-9 C11H13IN4O
Cefazolin USP Impurity L-δ3 Cefazolin USP Impurity L-δ3
Cabozantinib impurity 38 Cabozantinib impurity 38
2-epi-(-)-EMtricitabine 2-epi-(-)-EMtricitabine 145416-34-8 C8H10FN3O3S
Parent nucleus of cefotiaM hydrochloride Parent nucleus of cefotiaM hydrochloride 372092-19-8 C13H21N7O3S2
Bisacodyl Related Compound E (20 mg) (2-[(4-Acetoxyphenyl)(pyridin-2-yl)methyl]phenyl acetate) Bisacodyl Related Compound E (20 mg) (2-[(4-Acetoxyphenyl)(pyridin-2-yl)methyl]phenyl acetate) 111664-35-8 C22H19NO4
6-(2,5-dichlorophenyl)-1,3,5-Triazine-2,4(1H,3H)-dione 6-(2,5-dichlorophenyl)-1,3,5-Triazine-2,4(1H,3H)-dione 30222-00-5 C9H5Cl2N3O2
(2'R)-2'-Deoxy-2'-fluoro-2'-Methyl-uridine 3',5'-dibenzoate (2'R)-2'-Deoxy-2'-fluoro-2'-Methyl-uridine 3',5'-dibenzoate 863329-65-1 C24H21FN2O7
Celecoxib iMpurity-A Celecoxib iMpurity-A
EMtricitabine iMpurity A EMtricitabine iMpurity A
RocuroniuMbroMide iMpurity D RocuroniuMbroMide iMpurity D
(3S,4R)-4-(4-Fluorophenyl)piperidine-3-Methanol Hydrochloride (3S,4R)-4-(4-Fluorophenyl)piperidine-3-Methanol Hydrochloride 220548-73-2 C12H17ClFNO
LaMotrigine IMpurity D LaMotrigine IMpurity D 661463-79-2 C9H5Cl2N3O2
DeMethylpiperazinyl Desethyl Sildenafil Sulfonyl Chloride DeMethylpiperazinyl Desethyl Sildenafil Sulfonyl Chloride 139756-27-7 C15H15ClN4O4S
Rizatriptan IMpurity B Rizatriptan IMpurity B 1016900-28-9 C13H15ClN5
rac Adrenaline IMpurity D rac Adrenaline IMpurity D 1095714-91-2 C16H19NO3
2-(1-Methylethenyl)-6-(1-Methylethyl)phenol 2-(1-Methylethenyl)-6-(1-Methylethyl)phenol 74926-89-9 C12H16O
Irinotecan IMpurity G Irinotecan IMpurity G 947687-02-7 C35H42N4O6
5-[Bis(2-hydroxyethyl)aMino]-1-Methyl-1H-benziMidazole-2-butanoic Acid 5-[Bis(2-hydroxyethyl)aMino]-1-Methyl-1H-benziMidazole-2-butanoic Acid 109882-30-6 C16H23N3O4
5-Chloro-6'-Methyl-3-[4-(Methylsulfonyl)phenyl]-2,3'-bipyridine 1'-Oxide 5-Chloro-6'-Methyl-3-[4-(Methylsulfonyl)phenyl]-2,3'-bipyridine 1'-Oxide 325855-74-1 C18H15ClN2O3S
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
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
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
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
IMp. E (EP): 4-AMino-5-(ethylsulphonyl)-2-Methoxybenzoic Acid IMp. E (EP): 4-AMino-5-(ethylsulphonyl)-2-Methoxybenzoic Acid
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