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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
Ritonavir EP Impurity U Ritonavir EP Impurity U
DexMedetoMidine IMpurity O DexMedetoMidine IMpurity O
Rivaroxaban Impurity 48 Rivaroxaban Impurity 48 1414932-72-1 C21H20ClN3O4
Imatinib Impurity A Imatinib Impurity A
Vonoprazan Impurity 19 Vonoprazan Impurity 19
Pregabalin Diacid Pregabalin Diacid 1788341-42-3 C16H26N2O
Dexamethasone Impurity A Dexamethasone Impurity A
Olaparib Impurity 24 Olaparib Impurity 24
Topiroxostat Impurity 6 Topiroxostat Impurity 6
Irinotecan EP Impurity H Irinotecan EP Impurity H
Teneligliptin Impurity 4 Teneligliptin Impurity 4
Erlotinib Hydrochloride iMpurity 53 Erlotinib Hydrochloride iMpurity 53
(3R,4S)-phenyl 3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4- fluorophenyl)piperidine-1-carboxylate (3R,4S)-phenyl 3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4- fluorophenyl)piperidine-1-carboxylate 2389152-22-9 C26H24FNO5
Moxifloxacin EP Impurity K Moxifloxacin EP Impurity K
Anestagnate Anestagnate
Trelagliptin IMpurity 33 Trelagliptin IMpurity 33
Estradiol Impurity 1 Estradiol Impurity 1 57780-81-1 C18H24O4
Metoprolol IMpurity L Metoprolol IMpurity L C15H25NO3
Teneligliptin Impurity 14 Teneligliptin Impurity 14
Ampicillin EP Impurity P Ampicillin EP Impurity P
5-Heptenoic acid, 7-[(1R,2R,3R,5S)-2-[(1E)-3,3-difluoro-4-phenoxy-1-buten-1-yl]-3,5-dihydroxycyclopentyl]-, 1-methylethyl ester, (5E)- 5-Heptenoic acid, 7-[(1R,2R,3R,5S)-2-[(1E)-3,3-difluoro-4-phenoxy-1-buten-1-yl]-3,5-dihydroxycyclopentyl]-, 1-methylethyl ester, (5E)- 1563176-58-8 C25H34F2O5
Butanoic acid, 2,2-dimethyl-, (1S,3R,7S,8S,8aR)-1,2,3,7,8,8a-hexahydro-3,7-dimethyl-8-[2-[(2R,4R,5S)-tetrahydro-4-hydroxy-5-methyl-6-oxo-2H-pyran-2-yl]ethyl]-1-naphthalenyl ester Butanoic acid, 2,2-dimethyl-, (1S,3R,7S,8S,8aR)-1,2,3,7,8,8a-hexahydro-3,7-dimethyl-8-[2-[(2R,4R,5S)-tetrahydro-4-hydroxy-5-methyl-6-oxo-2H-pyran-2-yl]ethyl]-1-naphthalenyl ester 477877-98-8 C26H40O5
1H-1,2,4-Triazole-1-ethanol, α-(2,4-difluorophenyl)-α-(1H-1,2,4-triazol-1-ylmethyl)-, 4-oxide 1H-1,2,4-Triazole-1-ethanol, α-(2,4-difluorophenyl)-α-(1H-1,2,4-triazol-1-ylmethyl)-, 4-oxide 1997296-62-4 C13H12F2N6O2
Avatrombopag Impurity 32 Avatrombopag Impurity 32
(±)-N-[3-Acetyl-4-[2-hydroxy-3-[(1-methylethyl)amino]propoxy]phenyl]acetamidmonohydrochlorid (±)-N-[3-Acetyl-4-[2-hydroxy-3-[(1-methylethyl)amino]propoxy]phenyl]acetamidmonohydrochlorid 73899-76-0 C16H25ClN2O4
Alvatrombopag Impurity 999 Alvatrombopag Impurity 999
3-Pyridinecarboxamide, 5-chloro-N-[4-(4-chloro-2-thienyl)-5-(4-cyclohexyl-1-piperazinyl)-2-thiazolyl]-1,6-dihydro-6-oxo-, hydrochloride (1:) 3-Pyridinecarboxamide, 5-chloro-N-[4-(4-chloro-2-thienyl)-5-(4-cyclohexyl-1-piperazinyl)-2-thiazolyl]-1,6-dihydro-6-oxo-, hydrochloride (1:) 570403-05-3 C23H26Cl3N5O2S2
Avatrombopag Impurity 49 Avatrombopag Impurity 49
5a-17-(3-Pyridyl)-16-androstene-3-one 5a-17-(3-Pyridyl)-16-androstene-3-one C24H31NO
Avanafil IMpurity 6 Avanafil IMpurity 6
3-Pyridinecarboxylic acid, 6-(4-carboxy-1-piperidinyl)-5-chloro- 3-Pyridinecarboxylic acid, 6-(4-carboxy-1-piperidinyl)-5-chloro- 958457-83-5 C12H13ClN2O4
Abiraterone Impurity 9 Abiraterone Impurity 9 165334-72-5 C24H31NO
Afatinib Impurity 23 Afatinib Impurity 23 1314777-66-6 C8H4FN3O3
Afatinib impurity 31 Afatinib impurity 31
Afatinib Impurity 10 Afatinib Impurity 10
2-Thiazolamine, 4-(4-bromo-2-thienyl)- 2-Thiazolamine, 4-(4-bromo-2-thienyl)- 81216-89-9 C7H5BrN2S2
6-bromo-4-((dimethylamino)methyl)-5-hydroxy-N,1-dimethyl-2-((phenylthio)methyl)-1H-indole-3-carboxamide 6-bromo-4-((dimethylamino)methyl)-5-hydroxy-N,1-dimethyl-2-((phenylthio)methyl)-1H-indole-3-carboxamide
Avatrombopag Impurity 40 Avatrombopag Impurity 40
((2R,3R,5S)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-4,4-difluoro-3-hydroxytetrahydrofuran-2-yl)methyl benzoate ((2R,3R,5S)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-4,4-difluoro-3-hydroxytetrahydrofuran-2-yl)methyl benzoate
Avatrombopag Impurity 77 Avatrombopag Impurity 77
N-(4-((3-chloro-4-fluorophenyl)amino)-7-fluoroquinazolin-6-yl)-4-(dimethylamino)butanamide N-(4-((3-chloro-4-fluorophenyl)amino)-7-fluoroquinazolin-6-yl)-4-(dimethylamino)butanamide
2-Cyclopentene-1-methanol, 4-[2-amino-6-(cyclopropylamino)-9H-purin-9-yl]-, (1R-cis)- 2-Cyclopentene-1-methanol, 4-[2-amino-6-(cyclopropylamino)-9H-purin-9-yl]-, (1R-cis)- 136470-79-6 C14H18N6O
(3β)-17-(3-Pyridinyl)androsta-5,16-dien-3-ol N-Oxide Sulfate (3β)-17-(3-Pyridinyl)androsta-5,16-dien-3-ol N-Oxide Sulfate C24H31NO5S
Abacavir Impurity E Abacavir Impurity E 208762-35-0 C14H20N6O
Avanafil iMpurity 3 Avanafil iMpurity 3
Androst-16-en-3-ol, 17-(3-pyridinyl)-, acetate (ester),(3β,5α)- Androst-16-en-3-ol, 17-(3-pyridinyl)-, acetate (ester),(3β,5α)- 219843-76-2 C26H35NO2
Afatinib Impurity 19 Afatinib Impurity 19 1245555-42-3 C21H21ClFN5O2
rac-Valsartan EP Impurity B rac-Valsartan EP Impurity B 1894176-44-3 C31H35N5O3
Arbidol Impurity I Arbidol Impurity I 153633-10-4 C22H24Br2N2O3S
Afatinib Impurity 25 Afatinib Impurity 25
Afatinib impurity 28 Afatinib impurity 28
Afatinib impurity 11/Des-(4-dimethylamino-2-en-1-oxo)butylamino 6-(5-Hydroxy-pyrrolidin-2-on-1-yl) Afatinib Afatinib impurity 11/Des-(4-dimethylamino-2-en-1-oxo)butylamino 6-(5-Hydroxy-pyrrolidin-2-on-1-yl) Afatinib 2223677-58-3 C22H20ClFN4O4
Vigabatrin Impurity 2 Vigabatrin Impurity 2
ethyl 6-bromo-2-(bromomethyl)-5-hydroxy-1-methyl-1H-indole-3-carboxylate ethyl 6-bromo-2-(bromomethyl)-5-hydroxy-1-methyl-1H-indole-3-carboxylate 149246-36-6 C13H13Br2NO3
2-Thiazolamine, 5-(4-cyclohexyl-1-piperazinyl)-4-(4,5-dichloro-2-thienyl)- 2-Thiazolamine, 5-(4-cyclohexyl-1-piperazinyl)-4-(4,5-dichloro-2-thienyl)- 570407-63-5 C17H22Cl2N4S2
Avatrombopag Impurity 37 Avatrombopag Impurity 37
Abiolone Impurity 24 Abiolone Impurity 24
AvatrombopagImpurity42 AvatrombopagImpurity42
Avatrombopag Impurity 51 Avatrombopag Impurity 51
(S,E)-N-(4-((3-chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-hydroxybut-2-enamide (S,E)-N-(4-((3-chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-hydroxybut-2-enamide
N-(3-chloro-4-fluorophenyl)-7-fluoro-6,8-dinitroquinazolin-4-amine N-(3-chloro-4-fluorophenyl)-7-fluoro-6,8-dinitroquinazolin-4-amine
5-chloro-N-(4-(4-chlorothiophen-2-yl)-5-(4-cyclohexylpiperazin-1-yl)thiazol-2-yl)-6-(4-((4-(4-chlorothiophen-2-yl)-5-(4-cyclohexylpiperazin-1-yl)thiazol-2-yl)carbamoyl)piperidin-1-yl)nicotinamide 5-chloro-N-(4-(4-chlorothiophen-2-yl)-5-(4-cyclohexylpiperazin-1-yl)thiazol-2-yl)-6-(4-((4-(4-chlorothiophen-2-yl)-5-(4-cyclohexylpiperazin-1-yl)thiazol-2-yl)carbamoyl)piperidin-1-yl)nicotinamide 2948773-23-5
1-(4-PIPERIDINYLCARBONYL)-4-PIPERIDINECARBOXYLIC ACID 1-(4-PIPERIDINYLCARBONYL)-4-PIPERIDINECARBOXYLIC ACID 96053-48-4 C12H20N2O3
Afatinib Impurity 16 Afatinib Impurity 16
mixture of PD 312236 and PD 312237 mixture of PD 312236 and PD 312237
Adefovir Impurity D Adefovir Impurity D
Afatinib impurity 35 Afatinib impurity 35
Macitentandesbromopyrimidine Impurity Macitentandesbromopyrimidine Impurity
Avatrombopag Impurity 22 Avatrombopag Impurity 22
Avatrombopag Impurity 33 Avatrombopag Impurity 33
4-chloro-N-(3-chloro-4-fluorophenyl)-8-nitroquinazolin-7-amine 4-chloro-N-(3-chloro-4-fluorophenyl)-8-nitroquinazolin-7-amine
Avatrombopag Impurity 59 Avatrombopag Impurity 59
5-(Propylthio)-1H-benzimidazol-2-amine 5-(Propylthio)-1H-benzimidazol-2-amine 80983-36-4 C10H13N3S
3,5,3',5'-Tetraiodo Thyrolactic Acid 3,5,3',5'-Tetraiodo Thyrolactic Acid 7069-47-8 C15H10I4O5
Albendazole EP IMpurity F Albendazole EP IMpurity F 80983-45-5 C10H11N3O2S
Avanafil IMpurity 7 Avanafil IMpurity 7
Lesinurad Impurity Lesinurad Impurity
Afatinib Impurity 21 Afatinib Impurity 21 2044709-72-8 C18H16F2N4O2
Adefovir Impurity 1 Adefovir Impurity 1
Abacavir Abacavir 141271-12-7 C10H14ClN5O
Adefovir Impurity 10 Adefovir Impurity 10
Afatinib impurity 32 Afatinib impurity 32
Avatrombopag Impurity 22 Avatrombopag Impurity 22 570403-14-4 C31H38Cl2N6O3S2
N-Dealkyl Flurazepam (Midazolam impurity) N-Dealkyl Flurazepam (Midazolam impurity)
ethyl 6-bromo-4,7-bis((dimethylamino)methyl)-5-hydroxy-1-methyl-2-((phenylthio)methyl)-1H-indole-3-carboxylate ethyl 6-bromo-4,7-bis((dimethylamino)methyl)-5-hydroxy-1-methyl-2-((phenylthio)methyl)-1H-indole-3-carboxylate
4-Piperidinecarboxylic acid, 1-[5-[[[4-(4-chloro-2-thienyl)-5-(4-cyclohexyl-1-piperazinyl)-2-thiazolyl]amino]carbonyl]-3-hydroxy-2-pyridinyl]- 4-Piperidinecarboxylic acid, 1-[5-[[[4-(4-chloro-2-thienyl)-5-(4-cyclohexyl-1-piperazinyl)-2-thiazolyl]amino]carbonyl]-3-hydroxy-2-pyridinyl]- 1290121-42-4 C29H35ClN6O4S2
2-Thiazolamine, 4-(5-bromo-4-chloro-2-thienyl)- 2-Thiazolamine, 4-(5-bromo-4-chloro-2-thienyl)- 1534575-19-3 C7H4BrClN2S2
Avatrombopag Impurity 24 Avatrombopag Impurity 24
Avatrombopag Impurity 76 Avatrombopag Impurity 76
(S)-N-(4-((3-chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)butanamide (S)-N-(4-((3-chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-4-(dimethylamino)butanamide
4-(5-CHLORO-2-THIENYL)-1,3-THIAZOL-2-AMINE 4-(5-CHLORO-2-THIENYL)-1,3-THIAZOL-2-AMINE 123971-45-9 C7H5ClN2S2
3-Bromo Carbidopa 3-Bromo Carbidopa 1246819-09-9 C10H13BrN2O4
Avanafil iMpurity 4 Avanafil iMpurity 4 874482-97-0 C8H11Cl2NO
Afatinib Impurity 20 Afatinib Impurity 20
2-amino-4-fluoro-5-nitrobenzoic acid 2-amino-4-fluoro-5-nitrobenzoic acid 1194097-41-0 C7H5FN2O4
Afatinib Impurity 26 Afatinib Impurity 26
Adefovir Impurity 5 Adefovir Impurity 5
Afatinib impurity 29 Afatinib impurity 29 1957132-02-3 C22H23ClFN5O2
Acrivastine Impurity 1 Acrivastine Impurity 1
Adefovir Dipivoxil Impurity 24 Adefovir Dipivoxil Impurity 24 116384-58-8 C14H23O7PS
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