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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
platycoside E platycoside E 237068-41-6 C69H112O38
3α,6α,7α-Trihydroxy-5β-cholan-24-sure 3α,6α,7α-Trihydroxy-5β-cholan-24-sure 547-75-1 C24H40O5
Citalopram N-Oxide Citalopram N-Oxide 63284-72-0 C20H21FN2O2
7-epi-Clindamycin 7-epi-Clindamycin 16684-06-3 C18H33ClN2O5S
1-Ethyl-3-[[4-(m-toluidino)-3-pyridyl]sulfonyl]urea 1-Ethyl-3-[[4-(m-toluidino)-3-pyridyl]sulfonyl]urea 58155-35-4 C15H18N4O3S
Atorvastatin N-(3,5-Dihydroxy-7-heptanoic Acid)amide Atorvastatin N-(3,5-Dihydroxy-7-heptanoic Acid)amide 1105067-87-5 C40H50CaFN3O8
3-[2-(Diaminomethyleneamino)-1,3-thiazol-4-ylmethylsulphinyl]-N-sulphamoyl
propanamide 3-[2-(Diaminomethyleneamino)-1,3-thiazol-4-ylmethylsulphinyl]-N-sulphamoyl propanamide 1020719-36-1 C8H14N6O4S3
(1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester (1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester 171596-43-3 C20H18N2O4
16,17-Dehydro Capsaicin 16,17-Dehydro Capsaicin 509101-57-9 C18H25NO3
1,1'-[(5E)-5-Methyl-7-oxo-5-undecene-1,11-diyl] Bis 1,1'-[(5E)-5-Methyl-7-oxo-5-undecene-1,11-diyl] Bis 874747-30-5 C26H34N8O5
16-Oxo Ethynyl Estradiol 16-Oxo Ethynyl Estradiol 1350468-76-6 C20H22O3
Uridine Diphosphate Choline Uridine Diphosphate Choline 99492-83-8 C14H25N3O12P2
2-ChloroMethyl-4-Methoxy-3,5-diMethylpyridine 1-Oxide 2-ChloroMethyl-4-Methoxy-3,5-diMethylpyridine 1-Oxide 848694-10-0 C9H12ClNO2
2-ChloroMethyl-4-Methoxy-3,5-diMethylpyridine 1-Oxide 2-ChloroMethyl-4-Methoxy-3,5-diMethylpyridine 1-Oxide 848694-10-0 C9H12ClNO2
(R,R,R)-Aprepitant (R,R,R)-Aprepitant 1148113-53-4 C23H21F7N4O3
Rufinamide Related Compound B (25 mg) (Methyl 1-(2,6-difluorobenzyl)-1H-1,2,3-triazole-4-carboxylate) Rufinamide Related Compound B (25 mg) (Methyl 1-(2,6-difluorobenzyl)-1H-1,2,3-triazole-4-carboxylate) 217448-86-7 C11H9F2N3O2
3,4-Dihydro-7-(4-hydroxybutoxy)-2(1H)-quinolinone 3,4-Dihydro-7-(4-hydroxybutoxy)-2(1H)-quinolinone 889443-20-3 C13H17NO3
cefotaxiMe IMpurity D cefotaxiMe IMpurity D 63527-53-7 C16H17N5O7S2
ZAFIRLUKAST IMpurity – D ZAFIRLUKAST IMpurity – D 1160235-24-4 C46H49N5O8S
Aciclovir IMp. D (EP) Aciclovir IMp. D (EP) 59277-91-7 C15H15N5O4
Fulvestrant Sterol DiMer Fulvestrant Sterol DiMer
Lapatinib IMpurity 8 Lapatinib IMpurity 8 320337-48-2 C26H19ClFN3O3
Afatinib iMpurity Afatinib iMpurity 1680184-59-1 C24H25ClFN5O3
Levocarnitine iMpurity Levocarnitine iMpurity 6490-20-6 C7H17ClN2O2
2-[3-(AMinocarbonyl)-4-(2-Methylpropoxy)phenyl]-4-Methyl-5-thiazolecarboxylic Acid 2-[3-(AMinocarbonyl)-4-(2-Methylpropoxy)phenyl]-4-Methyl-5-thiazolecarboxylic Acid 1239233-86-3 C16H18N2O4S
2-Pyrrolidinyl-3-acetyl Desmorpholinylrocuronium Bromide 2-Pyrrolidinyl-3-acetyl Desmorpholinylrocuronium Bromide 1190105-66-8 C34H55BrN2O4
Afatinib IMpurity E Afatinib IMpurity E
Brivaracetam (alfaR, 4S)-Isomer Brivaracetam (alfaR, 4S)-Isomer 357336-99-3 C11H20N2O2
Entacapone EP Impurity G Entacapone EP Impurity G 1364322-41-7 C11H9N3O5
Isogambogenic acid Isogambogenic acid 887923-47-9 C38H46O8
(R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid 110548-07-7 C13H9F2NO4
(7R)-3-methyl-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (7R)-3-methyl-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 34691-02-6 C14H14N2O4S2
Olmesartan Medoxomil Impurity 4 Olmesartan Medoxomil Impurity 4 95579-71-8 C5H5ClO3
4-methoxy-3-(3-morpholinopropoxy)-2-nitrobenzonitrile 4-methoxy-3-(3-morpholinopropoxy)-2-nitrobenzonitrile 1006378-06-8 C15H19N3O5
5-methoxy-2-((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)-1H-benzo[d]imidazole 5-methoxy-2-((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)-1H-benzo[d]imidazole 1422064-00-3 C9H12ClNO2S
Metronidazole Impurity 9 Metronidazole Impurity 9 87009-72-1 C13H13N3O4
Ganciclovir EP impurity A Ganciclovir EP impurity A 1797982-93-4 C9H10ClN5O2
8-methyl-2-(4-methylphenyl)imidazo[1,2-a]pyridine 8-methyl-2-(4-methylphenyl)imidazo[1,2-a]pyridine 381717-12-0 C15H14N2
4-[2-(tert-butylamino)ethyl]-2-(hydroxymethyl)phenol 4-[2-(tert-butylamino)ethyl]-2-(hydroxymethyl)phenol 1823256-56-9 C13H21NO2
3-[2-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]ethyl]-9-hydroxy-2-methylpyrido[1,2-a]pyrimidin-4-one 3-[2-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]ethyl]-9-hydroxy-2-methylpyrido[1,2-a]pyrimidin-4-one 766485-15-8 C23H23FN4O3
(E)-methyl 3-(4-((1H-imidazol-1-yl)methyl)phenyl)acrylate (E)-methyl 3-(4-((1H-imidazol-1-yl)methyl)phenyl)acrylate 956932-46-0 C14H14N2O2
(E)-methyl 3-(4-((1H-imidazol-1-yl)methyl)phenyl)acrylate (E)-methyl 3-(4-((1H-imidazol-1-yl)methyl)phenyl)acrylate 956932-46-0 C14H14N2O2
2-(3-methylbutanoyl)benzoic acid 2-(3-methylbutanoyl)benzoic acid 152567-80-1 C12H14O3
Eltrombopag Dimer Impurity Eltrombopag Dimer Impurity
ethyl 2-(3,5-diformyl-4-hydroxyphenyl)-4-methylthiazole-5- carboxylate ethyl 2-(3,5-diformyl-4-hydroxyphenyl)-4-methylthiazole-5- carboxylate 2073891-59-3 C15H13NO5S
Amlodipine Impurity 26 Amlodipine Impurity 26 107812-86-2 C18H19Cl2NO4
Terbutaline EP Impurity B Hemisulphate Terbutaline EP Impurity B Hemisulphate 153657-83-1 C13H21NO7S
(trans)-3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4'-fluoro-[1,1'- biphenyl]-3-yl)-1-methylpiperidine hydrochloride (trans)-3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4'-fluoro-[1,1'- biphenyl]-3-yl)-1-methylpiperidine hydrochloride C26H27ClFNO3
Lacosamide impurity 8/Lacosamide EP Impurity H/(S)-2-acetamido-N-((S)-1-(benzylamino)-3-methoxy-1-oxopropan-2-yl)-3-methoxypropanamide Lacosamide impurity 8/Lacosamide EP Impurity H/(S)-2-acetamido-N-((S)-1-(benzylamino)-3-methoxy-1-oxopropan-2-yl)-3-methoxypropanamide 1375090-19-9 C17H25N3O5
Dapoxetine impurity 11/(S)-N-Didemethyl Dapoxetine HCl/(S)-α-[2-(1-Naphthalenyloxy)ethyl]benzenemethanamine Hydrochloride Dapoxetine impurity 11/(S)-N-Didemethyl Dapoxetine HCl/(S)-α-[2-(1-Naphthalenyloxy)ethyl]benzenemethanamine Hydrochloride 2095189-99-2 C19H20ClNO
Lifitegrast Impurity 14 Lifitegrast Impurity 14 2295862-24-5 C31H28Cl2N2O7S
(S)-4-(((R)-1-carboxy-2-((3-hydroxypropyl)
thio)ethyl)amino)-3-methyl-4-oxobutanoic 
acid (S)-4-(((R)-1-carboxy-2-((3-hydroxypropyl) thio)ethyl)amino)-3-methyl-4-oxobutanoic acid
Aprepitant EP Impurity C Aprepitant EP Impurity C 2348441-63-2 C29H25F7N4O3
Ergoline-8-methanol, 10-methoxy-1-methyl-, 5-bromo-3-pyridinecarboxylate (ester), (8β)- (9CI) Ergoline-8-methanol, 10-methoxy-1-methyl-, 5-bromo-3-pyridinecarboxylate (ester), (8β)- (9CI) 192504-81-7 C23H24BrN3O3
Peramivir Peramivir 383910-22-3 C18H30N2O5
Deferasirox Impurity 8 Deferasirox Impurity 8 201530-78-1 C21H15N3O4
Carbidopa Impurity Carbidopa Impurity 1176784-51-2 C9H8N2O2
Simvastatin Impurity 39 Simvastatin Impurity 39 79902-42-4 C23H34O5
Sugammadex sodium Decomposition process Impurity 2 Sugammadex sodium Decomposition process Impurity 2
Carbocisteine Impurity 5 Carbocisteine Impurity 5 118492-49-2 C5H7NO4S
Lifitegrast Impurity 3 Lifitegrast Impurity 3 2295862-29-0 C30H26Cl2N2O7S
Iloperidone Impurity 31 Iloperidone Impurity 31 116218-80-5 C12H14O3
Deferasirox Impurity 6 Deferasirox Impurity 6 2254105-61-6 C21H15N3O4
Macitentan Impurity 23 Macitentan Impurity 23 2365406-86-4 C12H11BrClN3O
Paroxetine Impurity 17(Paroxetine HCl Anhydrous EP Impurity J) Paroxetine Impurity 17(Paroxetine HCl Anhydrous EP Impurity J)
Zolpidem Impurity 35 Zolpidem Impurity 35 1186313-33-6 C31H28N4
Ampicillin Glycolylurea Analogue Ampicillin Glycolylurea Analogue
BISNORCHOLENALDEHYDE BISNORCHOLENALDEHYDE 3986-89-8 C22H32O2
4-Amino-6-ethoxy-5-[[4-[(4R)-1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl]phenyl]azo]-α-[[4-[(4R)-1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl]phenyl]hydrazono]-2-pyrimidineacetonitrile 4-Amino-6-ethoxy-5-[[4-[(4R)-1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl]phenyl]azo]-α-[[4-[(4R)-1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl]phenyl]hydrazono]-2-pyrimidineacetonitrile 618458-79-0 C30H30N12O3
2,4(1H,3H)-Pyrimidinedione, 6-(3-aminopropoxy)-1,3-dimethyl- 2,4(1H,3H)-Pyrimidinedione, 6-(3-aminopropoxy)-1,3-dimethyl- 2287518-97-0 C9H15N3O3
β-Alanine, N-[[2-[[[4-[[[(2-ethylbutoxy)carbonyl]amino]iminomethyl]phenyl]amino]methyl]-1-methyl-1H-benzimidazol-5-yl]carbonyl]-N-2-pyridinyl-, methyl ester β-Alanine, N-[[2-[[[4-[[[(2-ethylbutoxy)carbonyl]amino]iminomethyl]phenyl]amino]methyl]-1-methyl-1H-benzimidazol-5-yl]carbonyl]-N-2-pyridinyl-, methyl ester 2096992-10-6 C33H39N7O5
1-Actamido-3,5-dimethyladmantane 1-Actamido-3,5-dimethyladmantane 19982-07-1 C14H23NO
[6R-[6α,7β(Z)]]-3-(Acetoxymethyl)-7-[[2-(formylamino)thiazol-4-yl](methoxyimino)acetamido]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-2-carbonsure [6R-[6α,7β(Z)]]-3-(Acetoxymethyl)-7-[[2-(formylamino)thiazol-4-yl](methoxyimino)acetamido]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-2-carbonsure 66403-32-5 C17H17N5O8S2
2,2-Dipropylvaleronitril 2,2-Dipropylvaleronitril 5340-48-7 C11H21N
(3β,6E)-9,10-Secocholesta-5(10),6,8-trien-3-ol (3β,6E)-9,10-Secocholesta-5(10),6,8-trien-3-ol 17592-07-3 C27H44O
Cyclopenta[c]pyran-4-carboxylic acid, 1-(β-D-glucopyranosyloxy)-1,4a,5,6,7,7a-hexahydro-6-hydroxy-7-methyl-, methyl ester, (1S,4aS,6S,7S,7aS)- Cyclopenta[c]pyran-4-carboxylic acid, 1-(β-D-glucopyranosyloxy)-1,4a,5,6,7,7a-hexahydro-6-hydroxy-7-methyl-, methyl ester, (1S,4aS,6S,7S,7aS)- 79172-04-6 C17H26O10
Ritonavir EP Impurity EFG Ritonavir EP Impurity EFG
1,1[(1-Methylethyl)imino]bis[3-[4-(2-methoxyethyl)phenoxy]-2-propanol_x000b_(Mixture of diastereomers) 1,1[(1-Methylethyl)imino]bis[3-[4-(2-methoxyethyl)phenoxy]-2-propanol_x000b_(Mixture of diastereomers) 154784-36-8 C27H41NO6
1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic Acid 3-(2-Cyanoethyl) 5-Methyl Ester 1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic Acid 3-(2-Cyanoethyl) 5-Methyl Ester 75130-24-4 C19H19N3O6
O-Desmethyl Metoprolol O-Desmethyl Metoprolol 62572-94-5 C14H23NO3
3-Pyridinesulfonamide,N-3-pyridinyl-(9CI) 3-Pyridinesulfonamide,N-3-pyridinyl-(9CI) 5433-24-9 C10H9N3O2S
SG 103 SG 103 34104-46-6 C14H13N3O3
pseudomonic acid I pseudomonic acid I 40980-51-6 C26H44O10
2-(3,7-Dimethyl-2,6-octadienyl)-5-pentyl-1,3-benzenediol 2-(3,7-Dimethyl-2,6-octadienyl)-5-pentyl-1,3-benzenediol 2808-33-5
3-(2-Naphtyloxy)-1,2-propanediol 3-(2-Naphtyloxy)-1,2-propanediol 34646-56-5 C13H14O3
6-Des(diethanolamino)-6-chloro Dipyridamole 6-Des(diethanolamino)-6-chloro Dipyridamole 54093-92-4 C20H30ClN7O2
8-Fluoro-6-methoxy Moxifloxacin Dihydrochloride 8-Fluoro-6-methoxy Moxifloxacin Dihydrochloride 1029364-77-9 C21H24FN3O4
3-Desacetyl Vecuronium 3-Desacetyl Vecuronium 73319-13-8 C32H55BrN2O3
Clindamycin B 2-Phosphate Clindamycin B 2-Phosphate 54887-31-9 C17H32ClN2O8PS
(2E,6Z,8E,10E)-N-(2-hydroxy-2-methylpropyl)dodeca-2,6,8,10-tetraenamide (2E,6Z,8E,10E)-N-(2-hydroxy-2-methylpropyl)dodeca-2,6,8,10-tetraenamide 83883-10-7 C16H25NO2
Des(isopropylthiazolyl) Hydantoin Ritonavir Des(isopropylthiazolyl) Hydantoin Ritonavir 1010809-61-6 C29H34N4O5S
Torasemide Impurity 3 Torasemide Impurity 3 106944-63-2 C16H20N4O3S
(10E)-10,11-Didehydro-11-deoxy-6-O-MethylerythroMycin (10E)-10,11-Didehydro-11-deoxy-6-O-MethylerythroMycin 144604-03-5 C38H67NO12
(3aR,4R,7S,7aS)-2-(((1R,2S)-2-((4-(benzo[d]isothiazol-3-yl)piperazin-1-yl)Methyl)cyclohexyl)Methyl)hexahydro-1H-4,7-Methanoisoindole-1,3(2H)-dione (3aR,4R,7S,7aS)-2-(((1R,2S)-2-((4-(benzo[d]isothiazol-3-yl)piperazin-1-yl)Methyl)cyclohexyl)Methyl)hexahydro-1H-4,7-Methanoisoindole-1,3(2H)-dione 1318074-22-4 C28H36N4O2S
Olanzapine Impurity C Olanzapine Impurity C 719300-59-1 C18H22Cl2N4S
(+/-)-1''-epi-Perindopril (+/-)-1''-epi-Perindopril 145513-33-3 C19H32N2O5
cefotaxiMe IMpurity A cefotaxiMe IMpurity A
Ribavirin IMp. A (EP) Ribavirin IMp. A (EP)
TopiraMate N-Methyl IMpurity TopiraMate N-Methyl IMpurity 97240-80-7 C13H23NO8S
Clopidogrel Clopidogrel 1319197-71-1 C16H16ClNO3S
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