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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
Topiroxostat Impurity 9 Topiroxostat Impurity 9 577778-82-6 C13H8N6O
Vonoprazan Impurity F Vonoprazan Impurity F
Vortioxetine Impurity 15 Vortioxetine Impurity 15 2099147-02-9 C28H34N4S2
Dapagliflozin Impurity H Dapagliflozin Impurity H
Dapoxetine Impurity C Dapoxetine Impurity C
Iodixanol Impurity Iodixanol Impurity
Levothyroxine EP Impurity B Levothyroxine EP Impurity B 1628720-66-0 C15H11ClI3NO4
Ribavirin Imp. EP) Ribavirin Imp. EP)
Sertraline EP Impurity Sertraline EP Impurity C17H17Cl2N
Vildagliptin Related Compound G Vildagliptin Related Compound G 1616662-84-0 C12H20N4O3
3-ethyl 5-isopropyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate 3-ethyl 5-isopropyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate 158151-92-9 C22H29ClN2O5
Methyl 3-acetamido-4-(2,4,5-trifluorophenyl)but-2-enoate Methyl 3-acetamido-4-(2,4,5-trifluorophenyl)but-2-enoate 1234321-81-3 C13H12F3NO3
FG-4592 intermediate 8 FG-4592 intermediate 8 1509958-20-6 C20H17NO6
Parecoxib Sodium Imp.E Parecoxib Sodium Imp.E
Trelagliptin Impurity 7 Trelagliptin Impurity 7
Pramipexole impurity II Pramipexole impurity II
tert-butyl 4-(6-((6-acetyl-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)amino)pyridin-3-yl)piperazine-1-carboxylate tert-butyl 4-(6-((6-acetyl-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)amino)pyridin-3-yl)piperazine-1-carboxylate 1651214-74-2 C29H37N7O4
Prasugrel Impurity 4 HCl Prasugrel Impurity 4 HCl 1618107-96-2 C20H22Cl2FNO3S
Tofacitinib Impurity K Tofacitinib Impurity K
N-(3-chloro-4-fluorophenyl)-7 -methoxy-6-(3-morpholinopropoxy)-N-(3-morpholinopropyl)quinazolin-4-amine N-(3-chloro-4-fluorophenyl)-7 -methoxy-6-(3-morpholinopropoxy)-N-(3-morpholinopropyl)quinazolin-4-amine 1502829-45-9 C29H37ClFN5O4
5-(hydroxymethyl)-1,2-dihydro-1,2,4-triazol-3-one 5-(hydroxymethyl)-1,2-dihydro-1,2,4-triazol-3-one 24021-90-7 C3H5N3O2
( 2-{4-[N-(5,6-diphenylpyrazin-2-yl)-N-isopropylamino]butyloxy}acetic acid tert-butylester ) ( 2-{4-[N-(5,6-diphenylpyrazin-2-yl)-N-isopropylamino]butyloxy}acetic acid tert-butylester ) 475084-96-9 C29H37N3O3
N-(4-Hydroxymethylbenzyl) Cyclam N-(4-Hydroxymethylbenzyl) Cyclam 176252-20-3 C18H32N4O
Alvimopan Impurity 3 Alvimopan Impurity 3
Nicergoline Impurity G Nicergoline Impurity G
Isavuconazole Impurity 1 Isavuconazole Impurity 1 2069200-13-9 C13H12F2N4O
Sofosbuvir Impurity23 Sofosbuvir Impurity23
Tacrolimus Impurity 1 Tacrolimus Impurity 1
Bisoprolol EP Impurity F Bisoprolol EP Impurity F 1798418-82-2 C18H31NO4
Pantoprazole EP Impurity F Pantoprazole EP Impurity F 721924-06-7 C17H17F2N3O4S
Rosuvastatin EP Impurity E Rosuvastatin EP Impurity E
(6R,7R)-3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-7-pivalamido-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (6R,7R)-3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-7-pivalamido-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 1798390-48-3 C16H20N4O4S3
(S)-ethyl 3-((R)-5-oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylate(DD) (S)-ethyl 3-((R)-5-oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylate(DD)
Lincomycin EP Impurity B Lincomycin EP Impurity B 37744-65-3 C18H32N2O6S
Roxithromycin EP Impurity D Roxithromycin EP Impurity D 134931-00-3 C41H76N2O15
2-(pentan-3-yloxy)acetaldehyde 2-(pentan-3-yloxy)acetaldehyde 1141364-90-0 C7H14O2
Cabozantinib Impurity B Cabozantinib Impurity B
(R)-5-(2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidin-3-amine (R)-5-(2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidin-3-amine 1223404-88-3 C16H15F2N5
Ceftazidime Ep Impurity H Ceftazidime Ep Impurity H 1354396-23-8 C23H24N6O7S2
Parecoxib Sodium Impurity 14 Parecoxib Sodium Impurity 14 1709956-89-7 C19H18N2O4S
Benzoic acid, 2-[(methylamino)sulfonyl]- Benzoic acid, 2-[(methylamino)sulfonyl]- 125372-22-7 C8H9NO4S
1-Piperazineethanol,4-[(2-chlorophenyl)(3-chlorophenyl)methyl]-, hydrochloride (1:2) 1-Piperazineethanol,4-[(2-chlorophenyl)(3-chlorophenyl)methyl]-, hydrochloride (1:2) 126517-38-2 C19H24Cl4N2O
Benzene,1-ethoxy-4-(phenylmethyl)- Benzene,1-ethoxy-4-(phenylmethyl)- 35672-52-7 C15H16O
Donepezil  Impurity Donepezil Impurity 36159-03-2 C22H22O5
tert-Butyl 4-(4-nitropyridin-3-yl)piperazine-1-carboxylate tert-Butyl 4-(4-nitropyridin-3-yl)piperazine-1-carboxylate 1774898-55-3 C14H20N4O4
4-(2-Aminophenoxy)-N-methylpicolinamide 4-(2-Aminophenoxy)-N-methylpicolinamide 1153328-25-6 C13H13N3O2
Bupivacaine  Impurity Bupivacaine Impurity 780736-98-3 C14H20N2O
rel-(4aR,7aR)-6-Benzyloctahydro-1H-pyrrolo[3,4-b]pyridine rel-(4aR,7aR)-6-Benzyloctahydro-1H-pyrrolo[3,4-b]pyridine 161594-54-3 C14H20N2
1,2-bis(4-(3-(trifluoromethyl)phenyl)piperazin-1-yl)ethane 1,2-bis(4-(3-(trifluoromethyl)phenyl)piperazin-1-yl)ethane 51299-16-2 C24H28F6N4
(R)-N-(1-(7,8-dihydronaphthalen-1-yl)ethyl)-3-(3-(trifluoromethyl)phenyl)propan-1-amine (R)-N-(1-(7,8-dihydronaphthalen-1-yl)ethyl)-3-(3-(trifluoromethyl)phenyl)propan-1-amine 802918-35-0 C22H24F3N
Demiditraz racemate Demiditraz racemate 944263-08-5 C13H16N2
Ropivacaine-iPr Ropivacaine-iPr 175888-75-2 C17H26N2O
Demiditraz IMpurity Demiditraz IMpurity 944267-48-5 C19H18N2O
Betamethasone EP Impurity F Betamethasone EP Impurity F 330157-04-5 C22H28O4
Capecitabine Impurity 8 Capecitabine Impurity 8
Carfilzomib Impurity D Carfilzomib Impurity D
Cefodizime Impurity 4 Cefodizime Impurity 4
Cefradine impurity 5 Cefradine impurity 5 1379292-16-6 C10H17NO2
Clopidogrel Impurity 13 Clopidogrel Impurity 13 2173294-69-2 C16H16ClNO5S2
DecitaBine Impurity 12 DecitaBine Impurity 12
Erlotinib Impurity 28 Erlotinib Impurity 28
Fosaprepitant Impurity 12 Fosaprepitant Impurity 12 172673-19-7 C23H22F7N4O6P
Ibuprofen Impurity 2 Ibuprofen Impurity 2 C13H18O2
Imatinib Impurity 9 Imatinib Impurity 9
Isavuconazole Impurity 22 Isavuconazole Impurity 22
Isavuconazole Impurity 28 Isavuconazole Impurity 28
Levothyroxine Impurity 16 Levothyroxine Impurity 16 909279-46-5 C15H11ClI3NO4
Linagliptin Impurity 42 Linagliptin Impurity 42
PalBociclib Impurity 25 PalBociclib Impurity 25
Posaconazole Impurity 13 Posaconazole Impurity 13 357189-98-1 C37H40F2N8O6
Posaconazole Impurity 25 Posaconazole Impurity 25 1042398-26-4 C16H19F2IO3
Posaconazole Impurity 42 Posaconazole Impurity 42 357189-96-9 C36H40F2N8O5
Posaconazole Impurity 65 Posaconazole Impurity 65 2947625-11-6 C60H69F2N13O7
Pramipexole Dimer Impurity (Mixture of Diastereomers) Pramipexole Dimer Impurity (Mixture of Diastereomers) 1147937-31-2 C13H23N3S
Sitafloxacin Impurity 1 Sitafloxacin Impurity 1 C19H19ClF2N4O2
Sitagliptin Impurity 25 Sitagliptin Impurity 25
sofosBuvir impurity 47 sofosBuvir impurity 47
SofosBuvir Impurity 64 SofosBuvir Impurity 64
Tofacitinib Impurity W Tofacitinib Impurity W
Trelagliptin Impurity 21 Trelagliptin Impurity 21
2-chloromethyl-4-(3-hydroxypropoxy)-3-methylpyridine 2-chloromethyl-4-(3-hydroxypropoxy)-3-methylpyridine 117976-92-8 C10H14ClNO2
Oxytocin Impurity 3 Oxytocin Impurity 3
Rosuvastatin Impurity 158 Rosuvastatin Impurity 158
Rosuvastatin Impurity 139 Rosuvastatin Impurity 139
Rosuvastatin Impurity 124 Rosuvastatin Impurity 124
4-(3,4-Dichlorophenyl)-1,2,3,4-Tetrahydro- 4-(3,4-Dichlorophenyl)-1,2,3,4-Tetrahydro- 79617-95-1 C17H17Cl2N
Ertapenem Impurity A(USP) Ertapenem Impurity A(USP)
D-Glutamic acid, 4-(cyanomethyl)-N-[(1,1-dimethylethoxy)carbonyl]-, 1,5-dimethyl ester, (4S)-rel- D-Glutamic acid, 4-(cyanomethyl)-N-[(1,1-dimethylethoxy)carbonyl]-, 1,5-dimethyl ester, (4S)-rel- 2740644-40-8 C14H22N2O6
2-hydroxy-3-oxobutyl 2-ethoxy-1-((2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylate 2-hydroxy-3-oxobutyl 2-ethoxy-1-((2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylate
Ivabradine Bisbenzazepine Analog Ivabradine Bisbenzazepine Analog 2731089-65-7 C27H34N2O6
2-(2-ethoxy-3-((4-ethylpiperazin-1-yl)sulfonyl)phenyl)-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(1H)-one 2-(2-ethoxy-3-((4-ethylpiperazin-1-yl)sulfonyl)phenyl)-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(1H)-one
Bumetanide Photodegradable Impurity 15 Bumetanide Photodegradable Impurity 15
Bisoprolol Impurity 48 Bisoprolol Impurity 48
Cyclopentanecarboxylic acid, 3-[(1S)-1-(acetylamino)-2-ethylbutyl]-4-amino-2-hydroxy-, methyl ester, (1S,2S,3R,4R)-, mono(trifluoroacetate) (salt) (9CI) Cyclopentanecarboxylic acid, 3-[(1S)-1-(acetylamino)-2-ethylbutyl]-4-amino-2-hydroxy-, methyl ester, (1S,2S,3R,4R)-, mono(trifluoroacetate) (salt) (9CI) 357448-34-1 C17H29F3N2O6
Faropenem Impurity AB Faropenem Impurity AB
Nirmatrelvir Impurity 9 Nirmatrelvir Impurity 9
4-nitro-1H-Imidazole-2-carboxaldehyde 4-nitro-1H-Imidazole-2-carboxaldehyde 33543-81-6 C4H3N3O3
1-CHLOROMETHYL-2,3,4-TRIMETHOXYBENZENE 1-CHLOROMETHYL-2,3,4-TRIMETHOXYBENZENE 1133-49-9 C10H13ClO3
Bumetanide Impurity 19 Bumetanide Impurity 19
Rocuronium Bromide Impurity 26 、27 Rocuronium Bromide Impurity 26 、27
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