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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
N-Pyrazinylcarbonyl-L-phenylalanine Methyl Ester N-Pyrazinylcarbonyl-L-phenylalanine Methyl Ester 73058-37-4 C15H15N3O3
Piperacillin impurity 8/Piperacillin Dimer impurity 3 Piperacillin impurity 8/Piperacillin Dimer impurity 3 2170771-53-4 C46H54N10O14S2
Demeclocycline Impurity E(EP) Demeclocycline Impurity E(EP) 22756-01-0 C21H20N2O7
2-(4-Isobutylphenyl)propionamid 2-(4-Isobutylphenyl)propionamid 59512-17-3 C13H19NO
D-glycero-Heptaric acid, 2,4,6-trideoxy-2-[(1R)-1-hydroxyethyl]-6-imino-5-S-[2-[(iminomethyl)amino]ethyl]-5-thio-, 7,3-lactone, (3ξ,5ξ)- D-glycero-Heptaric acid, 2,4,6-trideoxy-2-[(1R)-1-hydroxyethyl]-6-imino-5-S-[2-[(iminomethyl)amino]ethyl]-5-thio-, 7,3-lactone, (3ξ,5ξ)- 1193105-97-3 C12H19N3O5S
1H-Imidazole-5-carboxylic acid, 1-methyl-4-[methyl[[(5-oxohexyl)amino]carbonyl]amino]- 1H-Imidazole-5-carboxylic acid, 1-methyl-4-[methyl[[(5-oxohexyl)amino]carbonyl]amino]- 84321-40-4 C13H20N4O4
1H-Imidazole-5-carboxamide, 1-methyl-4-(methylamino)-N-(5-oxohexyl)- 1H-Imidazole-5-carboxamide, 1-methyl-4-(methylamino)-N-(5-oxohexyl)- 70486-28-1 C12H20N4O2
3-chloro-N,N-dimethyl-1-phenylpropan-1-amine hydrochloride 3-chloro-N,N-dimethyl-1-phenylpropan-1-amine hydrochloride 81402-53-1 C11H17Cl2N
Montelukast sodium EP Impurity J Montelukast sodium EP Impurity J
2,3-dihydro-2-methyl-1H-indol-1-amine monomethanesulphonate       2,3-dihydro-2-methyl-1H-indol-1-amine monomethanesulphonate 85392-00-3 C10H16N2O3S
Butanoic acid, 2,4-dicyano-3-oxo-, ethyl ester Butanoic acid, 2,4-dicyano-3-oxo-, ethyl ester 861612-04-6 C8H8N2O3
D-threo-Pentitol, 2,5-anhydro-1,3,4-trideoxy-2-C-(4-fluorophenyl)-4-(hydroxymethyl)-1-(1H-1,2,4-triazol-1-yl)- D-threo-Pentitol, 2,5-anhydro-1,3,4-trideoxy-2-C-(4-fluorophenyl)-4-(hydroxymethyl)-1-(1H-1,2,4-triazol-1-yl)- 1978305-26-8 C14H16FN3O2
5-[Ethyl(2-hydroxyethyl)amino]pentan-2-on 5-[Ethyl(2-hydroxyethyl)amino]pentan-2-on 74509-79-8 C9H19NO2
Impurity reference substance Impurity reference substance
(2b,3a,5a,16b,17b)-17-Acetoxy-3-hydroxy-2-(4-morpholinyl)-16-(1-pyrrolidinyl)androstane (2b,3a,5a,16b,17b)-17-Acetoxy-3-hydroxy-2-(4-morpholinyl)-16-(1-pyrrolidinyl)androstane 119302-24-8 C29H48N2O4
Bromhexine Glucose Compound 1 Bromhexine Glucose Compound 1 3049873-97-1 C20H30Br2N2O5
2-CHLORO-1-(4-ISOBUTYLPHENYL)PROPAN-1-ONE 2-CHLORO-1-(4-ISOBUTYLPHENYL)PROPAN-1-ONE 80336-66-9 C13H17ClO
Omeprazole EP Impurity F Omeprazole EP Impurity F 125656-82-8 C16H13N3O2S
1-METHYL-6,7-DIHYDROXY-3,4-DIHYDROISOQUINOLINE MONOHYDRATE 1-METHYL-6,7-DIHYDROXY-3,4-DIHYDROISOQUINOLINE MONOHYDRATE 27740-96-1 C10H13NO2
penicillin X penicillin X 525-91-7 C16H18N2O5S
curculigoside B curculigoside B 143601-09-6 C21H24O11
taspine taspine 602-07-3 C20H19NO6
Batatasin  I Batatasin I 51415-00-0 C17H16O4
(-)-4-(4-Dimethylamino)-1-(4-fluorophenyl)-1-(hydroxybuty)-3-hydroxymethyl)-benzonitrile hemi D-(+)-di-p-toloyltartaric acid salt (-)-4-(4-Dimethylamino)-1-(4-fluorophenyl)-1-(hydroxybuty)-3-hydroxymethyl)-benzonitrile hemi D-(+)-di-p-toloyltartaric acid salt 128173-53-5 2C20H23FN2O2.C20H18O8
(3,4-Dichlorobenzyl)methylamine (3,4-Dichlorobenzyl)methylamine 5635-67-6 C8H9Cl2N
N-Desmethyl Dapoxetine N-Desmethyl Dapoxetine 157166-71-7 C20H22ClNO
9,10-Didehydro-6-methylergolin-8β-methanol 9,10-Didehydro-6-methylergolin-8β-methanol 602-85-7 C16H18N2O
(1β,5β)-8-Methyl-8-azabicyclo[3.2.1]octa-6-ene-3α-ol (1β,5β)-8-Methyl-8-azabicyclo[3.2.1]octa-6-ene-3α-ol 20513-09-1 C8H13NO
N-Methyl-5-methylamino-1H-imidazole-4-carboxamide N-Methyl-5-methylamino-1H-imidazole-4-carboxamide 6736-40-9 C6H10N4O
(R)-(-)-MUSCONE (R)-(-)-MUSCONE 10403-00-6 C16H30O
3-Isobutylglutarimid 3-Isobutylglutarimid 916982-10-0 C9H15NO2
Dehydroxy Bisoprolol Dehydroxy Bisoprolol 1217245-60-7 C18H29NO3
6α-Hydroxy Norgestrel 6α-Hydroxy Norgestrel 87585-03-3 C21H28O3
FaMotidine Acid IMpurity FaMotidine Acid IMpurity 107880-74-0 C8H12N4O2S2
N-Desbutyl-N-propyl BuMetanide N-Desbutyl-N-propyl BuMetanide 28395-28-0 C16H18N2O5S
(1S,2S,3S,4R)-Methyl 3-((R)-1-aMino-2-ethylbutyl)-4-(tert-butoxycarbonylaMino)-2-hydroxycyclopentanecarboxylate (1S,2S,3S,4R)-Methyl 3-((R)-1-aMino-2-ethylbutyl)-4-(tert-butoxycarbonylaMino)-2-hydroxycyclopentanecarboxylate 316173-29-2 C18H34N2O5
Amoxicillin Related Compound D (50 mg) ((4S)-2-{[(R)-2-amino-2-(4-hydroxyphenyl)acetamido](carboxy)methyl}-5,5-dimethylthiazolidine-4-carboxylic acid, monosodium salt) Amoxicillin Related Compound D (50 mg) ((4S)-2-{[(R)-2-amino-2-(4-hydroxyphenyl)acetamido](carboxy)methyl}-5,5-dimethylthiazolidine-4-carboxylic acid, monosodium salt) 68728-47-2 C16H20N3NaO6S
Cyclophosphamide Related Compound D (25 mg) (3-[2-(2-chloroethylamino)ethylamino]propyl dihydrogen phosphate dihydrochloride) Cyclophosphamide Related Compound D (25 mg) (3-[2-(2-chloroethylamino)ethylamino]propyl dihydrogen phosphate dihydrochloride) 158401-51-5 C7H19Cl2N2O4P
3-Quinolinecarboxylic acid, 7-aMino-1-cyclopropyl-6-fluoro-1,4-dihydro-8-Methoxy-4-oxo- 3-Quinolinecarboxylic acid, 7-aMino-1-cyclopropyl-6-fluoro-1,4-dihydro-8-Methoxy-4-oxo- 172426-88-9 C14H13FN2O4
EsoMeprazole related substance H431/41 EsoMeprazole related substance H431/41 1227380-90-6 C16H15N3O4
AMpicillin EP IMpurity C AMpicillin EP IMpurity C 49841-96-5 C16H19N3O4S
9β,10α-Pregna-4,6,8(14)-triene-3,20-dione 9β,10α-Pregna-4,6,8(14)-triene-3,20-dione 23035-53-2 C21H26O2
N-(3,4-diMethoxyphenethyl)-4-(4-Methoxyphenyl)butan-2-aMine N-(3,4-diMethoxyphenethyl)-4-(4-Methoxyphenyl)butan-2-aMine 61413-44-3 C21H29NO3
Dabigatran Etexilate iMpurity H Dabigatran Etexilate iMpurity H 1702936-92-2 C19H20N4O3
RebaMipide 3-Chloro IMpurity RebaMipide 3-Chloro IMpurity 90098-05-8 C19H15ClN2O4
Solifenacin IMpurity Solifenacin IMpurity 1956436-64-8 C23H26N2O3
Methotrexate γ-Methyl Ester Methotrexate γ-Methyl Ester 67022-39-3 C21H24N8O5
RebaMipide iMpurity 1 RebaMipide iMpurity 1 100342-53-8 C18H15ClN2O2
7-Chlorobenzo[b]thiophene-3-Methanol 7-Chlorobenzo[b]thiophene-3-Methanol 142181-53-1 C9H7ClOS
N,5-bis(4-chlorophenyl)-3-iMino-3,5-dihydrophenazin-2-aMine N,5-bis(4-chlorophenyl)-3-iMino-3,5-dihydrophenazin-2-aMine 102262-55-5 C24H16Cl2N4
Milnacipran Related Impurity 3 Milnacipran Related Impurity 3 19532-98-0 C10H12N2O2
1,1′-Trimethylenedi-theobromine 1,1′-Trimethylenedi-theobromine 74857-22-0 C17H20N8O4
Salbutamol EP Impurity D Salbutamol EP Impurity D C13H21NO3
Atazanavir EP Impurity G Atazanavir EP Impurity G 1332981-16-4 C38H52N6O7
Olaparib Impurity G Olaparib Impurity G
Brivaracetam Impurity B Brivaracetam Impurity B 943986-67-2 C11H19NO3
Rufinamide Impurity 3 Rufinamide Impurity 3
2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylic acid 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylic acid 74936-81-5 C15H14N2O6
Apixaban Impurity 24 Apixaban Impurity 24 1928718-22-2 C26H27N5O4
Cisatracurium Besilate impurity Cisatracurium Besilate impurity
Azithromycin F Azithromycin F 612069-26-8 C38H72N2O13
[D-PRO2, D-TRP7,9]-SUBSTANCE P [D-PRO2, D-TRP7,9]-SUBSTANCE P 80434-86-2 C74H106N20O13S
ASTRAGALOSIDE ASTRAGALOSIDE 17429-69-5 C28H32O17
1-(4-Bromobutyl)-3,4-dihydro-7-hydroxy-2(1H)-quinolinone 1-(4-Bromobutyl)-3,4-dihydro-7-hydroxy-2(1H)-quinolinone 1424857-68-0 C13H16BrNO2
Pitavastatin Pitavastatin 154170-27-1 C32H36FNO4
Famotidine EP Impurity A Famotidine EP Impurity A 124646-10-2 C8H14N6S2
2-(azidomethyl)-1,3-difluorobenzene 2-(azidomethyl)-1,3-difluorobenzene 106308-60-5 C7H5F2N3
sobutyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5 -carboxylate sobutyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5 -carboxylate 923942-36-3 C20H24N2O3S
(6-methyl-2-p-tolyl-2,3-dihydro-imidazo[1,2-a]pyridin-3-yl)-oxoacetic acid (6-methyl-2-p-tolyl-2,3-dihydro-imidazo[1,2-a]pyridin-3-yl)-oxoacetic acid 927820-48-2 C17H14N2O3
Rivaroxaban Related Compound (R-4-(4-(5-(Aminomethyl)-2-Oxooxazolidin-3-yl)phenyl-Morpholin-3-One HCl) Rivaroxaban Related Compound (R-4-(4-(5-(Aminomethyl)-2-Oxooxazolidin-3-yl)phenyl-Morpholin-3-One HCl) 1429311-47-6 C14H18ClN3O4
Cefprozil EP Impurity I Cefprozil EP Impurity I C18H19N3O5S
ethyl 2-(4-butoxy-3-formylphenyl)-4-methylthiazole-5-
carboxylate ethyl 2-(4-butoxy-3-formylphenyl)-4-methylthiazole-5- carboxylate 2230270-03-6 C18H21NO4S
1H-Pyrazole-3-Carboxylicacid,4,5-Dihydro-5-Oxo-1-(4-Sulfophenyl)-,3-Ethylester,Sodiumsalt 1H-Pyrazole-3-Carboxylicacid,4,5-Dihydro-5-Oxo-1-(4-Sulfophenyl)-,3-Ethylester,Sodiumsalt 20514-27-6 C12H13N2NaO6S
((3S,5S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethyl
sulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate) calcium(II) ((3S,5S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethyl sulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate) calcium(II) 2185805-14-3 C44H54CaF2N6O12S2
Lincomycin EP Impurity C Lincomycin EP Impurity C 14600-41-0 C17H32N2O6S.ClH
Peramivir Impurity Peramivir Impurity 383910-24-5 C18H30N2O5
N-SucciniMidoxycarbonyl-β-alanine N-SucciniMidyl Ester N-SucciniMidoxycarbonyl-β-alanine N-SucciniMidyl Ester 21994-89-8 C12H13N3O8
Cefotaxime Impurity L Cefotaxime Impurity L
(2RS)-2-(4-FORMYLPHENYL)PROPANOIC ACID (2RS)-2-(4-FORMYLPHENYL)PROPANOIC ACID 43153-07-7 C10H10O3
Apremilast Impurity HS093313 Apremilast Impurity HS093313 2077897-93-7 C20H21NO6S
Flumethasone Impurity 6 (9-Chloro-Flumethasone) Flumethasone Impurity 6 (9-Chloro-Flumethasone) 1355648-15-5 C22H28ClFO5
3-Quinolinecarboxylic acid, 7-[(4aS,7aS)-1-(2-carboxyethyl)octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-4-oxo- 3-Quinolinecarboxylic acid, 7-[(4aS,7aS)-1-(2-carboxyethyl)octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-4-oxo- 2489671-20-5 C24H28FN3O6
Imipenem Impurity 4 Imipenem Impurity 4 85604-01-9 C23H30N4O8S2
3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-, 3,5-bis(2-cyanoethyl) ester 3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-, 3,5-bis(2-cyanoethyl) ester 75130-34-6 C21H20N4O6
Araloside C Araloside C 55446-15-6 C53H84O23
Sugammadex Sodium Impurity 36 Sugammadex Sodium Impurity 36
8,8'-((3R,3'R)-(methylenebis(azanediyl))bis(piperidine-3,1-diyl))bis(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione) 8,8'-((3R,3'R)-(methylenebis(azanediyl))bis(piperidine-3,1-diyl))bis(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione) 2489212-72-6 C51H56N16O4
Ampicillin Hydantoin Analogs Ampicillin Hydantoin Analogs
Complete set of Ampicillin Impurities Complete set of Ampicillin Impurities
Helicianeoide B Helicianeoide B 496066-89-8 C32H38O20
benazepril benazepril 131064-75-0 C24H28N2O5
1-Cyclohexene-1-carboxylicacid,4-(aminomethyl)-(9CI) 1-Cyclohexene-1-carboxylicacid,4-(aminomethyl)-(9CI) 330838-52-3 C8H13NO2
4-PREGNEN-6-BETA-OL-3,20-DIONE 4-PREGNEN-6-BETA-OL-3,20-DIONE 604-19-3 C21H30O3
uridine 5'-tetraphosphate uridine 5'-tetraphosphate 10003-94-8 C9H16N2O18P4
Amilorid Amilorid 2609-46-3 C6H8ClN7O
Aztreonam Amide Aztreonam Amide 1219444-93-5 C13H20N6O8S2
1,2-Dithiolane-3-pentanoic acid 1-oxide 1,2-Dithiolane-3-pentanoic acid 1-oxide 6992-30-9 C8H14O3S2
4-(3,4-Dihydro-4,4-dimethyl-7-pentylfuro[4,3,2-de][1]benzopyran-3-yl)-2-butanone 4-(3,4-Dihydro-4,4-dimethyl-7-pentylfuro[4,3,2-de][1]benzopyran-3-yl)-2-butanone 70474-97-4
3'-Demethyl-12-deoxyerythromycin 3'-Demethyl-12-deoxyerythromycin 33442-56-7 C36H65NO12
2-[4-(4-METHOXY-PHENOXY)-PHENYL]-MALONIC ACID MONO-(4-METHOXY-PHENYL) ESTER 2-[4-(4-METHOXY-PHENOXY)-PHENYL]-MALONIC ACID MONO-(4-METHOXY-PHENYL) ESTER 70175-90-5 C25H24O7
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