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
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
5-hydroxy-N,1,2-trimethyl-1H-indole-3-carboxamide 5-hydroxy-N,1,2-trimethyl-1H-indole-3-carboxamide
Avatrombopag Impurity 38 Avatrombopag Impurity 38
Aatrombopag Impurity 17 Aatrombopag Impurity 17 1268118-96-2 C7H4BrClN2S2
Methyl 2-oxo-3-((2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl)Methyl)-2,3-dihydro-1H-benzo[d]iMidazole-4-carboxylate Methyl 2-oxo-3-((2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl)Methyl)-2,3-dihydro-1H-benzo[d]iMidazole-4-carboxylate 1403474-78-1 C24H18N4O5
Azilsartan iMpurity Azilsartan iMpurity 1604812-35-2 C35H28N4O11
Azilsartan iMpurity N Azilsartan iMpurity N 2244031-86-3 C22H17N3O4
AtracuriuM Besylate IMpurity D Iodide (Mixture of DiastereoMers) AtracuriuM Besylate IMpurity D Iodide (Mixture of DiastereoMers)
AzithroMycin IMpurity D AzithroMycin IMpurity D
1-[[2'-(AMinoiMinoMethyl)[1,1'-biphenyl]-4-yl]Methyl]-2-ethoxy-1H-benziMidazole-7-carboxylic Acid 1-[[2'-(AMinoiMinoMethyl)[1,1'-biphenyl]-4-yl]Methyl]-2-ethoxy-1H-benziMidazole-7-carboxylic Acid 1442400-65-8 C24H22N4O3
ErythroMycin A 6,9-IMino Ether ErythroMycin A 6,9-IMino Ether 99290-97-8 C37H66N2O12
Atracurium Impurity R Atracurium Impurity R
Atracurium Impurity 28 Atracurium Impurity 28
Aprepitant impurity 1 Aprepitant impurity 1
(Z)-Methyl 3-((2'-(N'-hydroxycarbaMiMidoyl)biphenyl-4-yl)Methyl)-2-oxo-2,3-dihydro-1H-benzo[d]iMidazole-4-carboxylate (Z)-Methyl 3-((2'-(N'-hydroxycarbaMiMidoyl)biphenyl-4-yl)Methyl)-2-oxo-2,3-dihydro-1H-benzo[d]iMidazole-4-carboxylate 1499167-72-4 C23H20N4O4
1H-BenziMidazole-7-carboxylic acid, 1-[[2'-(2,5-dihydro-5-oxo-1,2,4-oxadiazol-3-yl)[1,1'-biphenyl]-4-yl]Methyl] -2-ethoxy-, ethyl ester 1H-BenziMidazole-7-carboxylic acid, 1-[[2'-(2,5-dihydro-5-oxo-1,2,4-oxadiazol-3-yl)[1,1'-biphenyl]-4-yl]Methyl] -2-ethoxy-, ethyl ester 1403474-70-3 C27H24N4O5
AtracuriuM IMpurity K (Mixture of cis, trans, cis, cis(K1 & K2), tans, trans IsoMer) AtracuriuM IMpurity K (Mixture of cis, trans, cis, cis(K1 & K2), tans, trans IsoMer)
Atracurium Impurity E Atracurium Impurity E
Azilsartan Impurity Azilsartan Impurity 1863930-34-0 C23H23N3O3
Chidamide-13C7 Chidamide-13C7 1348337-81-4 C24H18N4O4
Atracurium  Impurity M Atracurium Impurity M
Atracurium Impurity 27 Atracurium Impurity 27
Apremilast Impurity TNB Apremilast Impurity TNB
Atracurium Impurity N Atracurium Impurity N
Atracurium impurity O drops Atracurium impurity O drops
(Z)-2-ethoxy-3-((2'-(N'-hydroxycarbaMiMidoyl)biphenyl-4-yl)Methyl)-3H-benzo[d]iMidazole-4-carboxylic acid (Z)-2-ethoxy-3-((2'-(N'-hydroxycarbaMiMidoyl)biphenyl-4-yl)Methyl)-3H-benzo[d]iMidazole-4-carboxylic acid 1397836-49-5 C24H22N4O4
AzithroMycin iMpurity AzithroMycin iMpurity 194809-66-0 C37H69BN2O13
AtracuriuM IMpurity G (R-Laudanosine) AtracuriuM IMpurity G (R-Laudanosine)
Azilsartan Impurity Azilsartan Impurity 1675221-59-6 C25H22N2O5
Apremilast Impurity QY Apremilast Impurity QY
AZITHROMYCIN IMPURITY B AZITHROMYCIN IMPURITY B 307974-61-4 C38H72N2O11
ETHYLISOPROPYLNITROSAMINE ETHYLISOPROPYLNITROSAMINE 16339-04-1 C5H12N2O
AzithroMycin IMpurity J AzithroMycin IMpurity J
Methyl 3-aMino-2-((2'-carbaMoylbiphenyl-4-yl)MethylaMino)benzoate Methyl 3-aMino-2-((2'-carbaMoylbiphenyl-4-yl)MethylaMino)benzoate 147404-75-9 C22H21N3O3
Azilsartan iMpurity O Azilsartan iMpurity O 2171316-29-1 C23H19N3O4
AzithroMycin IMpurity K AzithroMycin IMpurity K
O-Desethyl Azilsartan O-Desethyl Azilsartan 1442400-68-1 C23H16N4O5
Apremilast Impurity FA Apremilast Impurity FA 2077897-94-8 C21H22N2O7S
Atracurium Impurity S Atracurium Impurity S
Atracurium Impurity 29 Atracurium Impurity 29
Atracurium Impurity 32 Atracurium Impurity 32
1449029-77-9 1449029-77-9 1449029-77-9 C29H26N4O7
Azilsartan Impurity 107 Azilsartan Impurity 107
Lexithromycin Lexithromycin 53066-26-5 C38H70N2O13
Azilsartan iMpurity G Azilsartan iMpurity G
Atracurium Impurity F Atracurium Impurity F
Apremilast Impurity 15 Apremilast Impurity 15 2096492-41-8 C22H26N2O8S
Atracurium  Impurity O Atracurium Impurity O
Atracurium Impurity 4 Atracurium Impurity 4
Atracurium Impurity P Atracurium Impurity P
Acetic acid, 2-chloro-2-[2-(2-Methoxyphenyl)hydrazinylidene]-, ethyl ester Acetic acid, 2-chloro-2-[2-(2-Methoxyphenyl)hydrazinylidene]-, ethyl ester 85014-68-2 C11H13ClN2O3
Apixaban Impurity 20 Apixaban Impurity 20 1421823-20-2 C27H29ClN4O5
Apixaban Impurity 13 Apixaban Impurity 13
Apixaban Impurity 34 Apixaban Impurity 34
Atracurium Impurity U Atracurium Impurity U
Azilsartan Impurity 11 Azilsartan Impurity 11 91526-16-8 C12H12O6S
NA NA
2-(2-carboxyethyl)-1-[(3,4-dimethoxyphenyl)methyl]-,1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-isoquinolinium benzenesulfonate 2-(2-carboxyethyl)-1-[(3,4-dimethoxyphenyl)methyl]-,1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-isoquinolinium benzenesulfonate 1075727-06-8 C30H37NO9S
AzithroMycin iMpurity R AzithroMycin iMpurity R
AtracuriuM IMpurity H (Mixture of cis, trans(H1), cis, cis(H2)
 tans, trans IsoMer) AtracuriuM IMpurity H (Mixture of cis, trans(H1), cis, cis(H2) tans, trans IsoMer) 1248429-33-5
Atracurium Impurity B Atracurium Impurity B 87046-74-0
Atracurium Impurity 2 Atracurium Impurity 2
Atracurium Impurity 25 Atracurium Impurity 25 86682-55-5 C20H25NO5
Apremilast Impurity SJM Apremilast Impurity SJM
Atracurium Impurity 15 Iodide(Cisatracurium Besilate EP Impurity O Iodide) Atracurium Impurity 15 Iodide(Cisatracurium Besilate EP Impurity O Iodide) 155913-31-8 C38H49NO11S
Apremilast ImpurityTNN Apremilast ImpurityTNN
AtracuriuM IMpurity D2 (cis-Quaternary Alcohol) AtracuriuM IMpurity D2 (cis-Quaternary Alcohol) 1100676-16-1 C35H47NO10S
AzithroMycin IMpurity O AzithroMycin IMpurity O
AtracuriuM IMpurity V AtracuriuM IMpurity V 1075726-86-1 C25H34INO6
Apremilast Impurity OH Apremilast Impurity OH
Atracurium Impurity T Atracurium Impurity T
Atracurium Impurity 30 Atracurium Impurity 30
Atracurium Impurity 33 Atracurium Impurity 33
Azilsartan iMpurity H Azilsartan iMpurity H
Azilsartan iMpurity M Azilsartan iMpurity M
AtracuriuM IMpurity C1 (trans-Monoacrylate) AtracuriuM IMpurity C1 (trans-Monoacrylate)
AzithroMycin IMpurity C AzithroMycin IMpurity C
1-((2'-cyanobiphenyl-4-yl)Methyl)-2-ethoxy-1H-benziMidazole-7-carboxylic acid 1-((2'-cyanobiphenyl-4-yl)Methyl)-2-ethoxy-1H-benziMidazole-7-carboxylic acid 632322-61-3 C24H19N3O3
Azilsartan Impurity Azilsartan Impurity 1586011-04-2 C26H25N3O4
Atracurium Impurity A Atracurium Impurity A
Apremilast Impurity 10 Apremilast Impurity 10 1809170-71-5 C22H26N2O8S
(1R,1'R,2S,2'S)-2,2'-[1,5-pentanediylbis[oxy(3-oxo-3,1-propanediyl)]]bis[1-[(3,4-dimethoxyphenyl)methyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-Isoquinolinium Benzenesulfonate (1R,1'R,2S,2'S)-2,2'-[1,5-pentanediylbis[oxy(3-oxo-3,1-propanediyl)]]bis[1-[(3,4-dimethoxyphenyl)methyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-Isoquinolinium Benzenesulfonate 96946-46-2 C59H77N2O15S+
3-amino-6-chloro-2-methyl-4-phenylquinazolin-4-ol 3-amino-6-chloro-2-methyl-4-phenylquinazolin-4-ol 27537-87-7 C15H14ClN3O
Atracurium Impurity 5 Atracurium Impurity 5
Apremilast Impurity CNA Apremilast Impurity CNA
Atracurium Impurity Q Atracurium Impurity Q
Atracurium Impurity W Atracurium Impurity W
Azilsartan impurity Y Azilsartan impurity Y
Aprepitant impurity 3 Aprepitant impurity 3
1-[(2'-carbaMoylbiphenyl-4-yl) Methyl]-2-ethoxybenziMidazole-7-carboxylic acid 1-[(2'-carbaMoylbiphenyl-4-yl) Methyl]-2-ethoxybenziMidazole-7-carboxylic acid 1696392-11-6 C24H21N3O4
AtracuriuM IMpurity I (Mixture of cis, trans(I1), cis, cis(I2), tans, trans IsoMer) AtracuriuM IMpurity I (Mixture of cis, trans(I1), cis, cis(I2), tans, trans IsoMer)
Azilsartan Impurity Azilsartan Impurity 1821386-21-3 C22H18N4O4
Atracurium Impurity 26 Atracurium Impurity 26
Apremilast Impurity SY Apremilast Impurity SY
Atracurium Impurity L Atracurium Impurity L
NA NA
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