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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
Teneligliptin Impurity 12 Teneligliptin Impurity 12
Nicergoline EP Impurity E Nicergoline EP Impurity E
Hexanoic acid, 3-[(hydroxyamino)methyl]-5-methyl-, (3S)- Hexanoic acid, 3-[(hydroxyamino)methyl]-5-methyl-, (3S)- 2349671-57-2 C8H17NO3
α-D-Glucopyranoside, methyl 1-C-[4-chloro-3-[(4-ethoxyphenyl)methyl]phenyl]-, 2,3,4,6-tetraacetate α-D-Glucopyranoside, methyl 1-C-[4-chloro-3-[(4-ethoxyphenyl)methyl]phenyl]-, 2,3,4,6-tetraacetate 714269-58-6 C30H35ClO11
Caspofungin Impurity H Caspofungin Impurity H
(trans)-3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4-methoxyphenyl)-1-methylpiperidine hydrochloride (trans)-3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4-methoxyphenyl)-1-methylpiperidine hydrochloride 127017-41-8 C21H26ClNO4
Ezetimibe Impurity 76 Ezetimibe Impurity 76 1185883-46-8 C39H44F2N2O5Si
Cefmetazole impurity 9/(6R-cis)-7-[[[(Cyanomethyl)thio]acetyl]amino]-3-(hydroxymethyl)-7-methoxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid Cefmetazole impurity 9/(6R-cis)-7-[[[(Cyanomethyl)thio]acetyl]amino]-3-(hydroxymethyl)-7-methoxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid 70953-19-4 C13H15N3O6S2
((cis)-4-(4-fluorophenyl)-1-methylpiperidin-3-yl)methyl 4-methylbenzenesulfonate ((cis)-4-(4-fluorophenyl)-1-methylpiperidin-3-yl)methyl 4-methylbenzenesulfonate C20H24FNO3S
Elagolix Sodium impurity1 Elagolix Sodium impurity1
Ibrutinib Impurity 37 Ibrutinib Impurity 37 330793-49-2 C10H13IN6
(S)-((6-(propylamino)-4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)amino)methanol (S)-((6-(propylamino)-4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)amino)methanol C11H19N3OS
(trans)-4-((6-amino-2,3-dibromobenzyl)amino)cyclohexanol (trans)-4-((6-amino-2,3-dibromobenzyl)amino)cyclohexanol C13H18Br2N2O
ERYTHROMYCIN IMPURITY N ERYTHROMYCIN IMPURITY N
Fesoterodine Impurity 12 Fesoterodine Impurity 12
Dexamethasone EP impurities D Dexamethasone EP impurities D
Palbociclib impurity LMAP Palbociclib impurity LMAP
(3R,3'R)-3,3'-((((S)-1-amino-1-oxobutan-2-yl)azanediyl)bis(methylene))dihexanoic acid (3R,3'R)-3,3'-((((S)-1-amino-1-oxobutan-2-yl)azanediyl)bis(methylene))dihexanoic acid C18H34N2O5
Acetaminophen EP Impurity L Acetaminophen EP Impurity L C8H9NO2
(R)-4-(2-(benzyl(methyl)amino)-1-hydroxyethyl)benzene-1,2-diol (R)-4-(2-(benzyl(methyl)amino)-1-hydroxyethyl)benzene-1,2-diol 317351-40-9 C16H19NO3
N,N'-Bis(4-hydroxyphenyl)hydrazine N,N'-Bis(4-hydroxyphenyl)hydrazine 158905-63-6 C12H12N2O2
Droxidopa Impurity M Droxidopa Impurity M
Aripiprazole peroxide degradation Impurity (MW:464Da) Aripiprazole peroxide degradation Impurity (MW:464Da)
Zileuton Impurity (MW = 279.31 Da) Zileuton Impurity (MW = 279.31 Da)
Rivaroxaban Impurity 81 Rivaroxaban Impurity 81
Gadobutrol Impurity 21 Gadobutrol Impurity 21
Flucloxacillin sodium EP Impurity E Flucloxacillin sodium EP Impurity E
Pyrazole Pyrazole
Cephalomannine (Paclitaxel Impurity I) Cephalomannine (Paclitaxel Impurity I)
METOPROLOL IMPURITY D METOPROLOL IMPURITY D C15H25NO3
NITRENDIPINE IMPURITY A NITRENDIPINE IMPURITY A
TAMSULOSIN IMPURITY D TAMSULOSIN IMPURITY D C20H28N2O5S
Macitentan Hydroxy amine Impurity Macitentan Hydroxy amine Impurity 2211059-05-9 C12H12BrN3O2
1,3-diethyl-1,3-dimethylurea 1,3-diethyl-1,3-dimethylurea 31468-19-6 C7H16N2O
7H-Purine-7-acetic acid, 1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo-, ethyl ester 7H-Purine-7-acetic acid, 1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo-, ethyl ester 7029-96-1 C11H14N4O4
N-(2-Amino-4,5,6,7-tetrahydro-benzothiazol-6-yl)-acrylamide N-(2-Amino-4,5,6,7-tetrahydro-benzothiazol-6-yl)-acrylamide
Rifampin Impurity 6 Rifampin Impurity 6
Cefuroxime Dioxide Impurity(Cefuroxime Sulfoxide) Cefuroxime Dioxide Impurity(Cefuroxime Sulfoxide)
Ampicillin Impurity F(USP) Ampicillin Impurity F(USP)
Miconazole Impurity G(EP) Miconazole Impurity G(EP) 1370335-40-2 C18H14Cl4N2O
2-chloro-1-(5-hydroxy-5H-chromeno[2,3-b]pyridin-7-yl)propan-1-one 2-chloro-1-(5-hydroxy-5H-chromeno[2,3-b]pyridin-7-yl)propan-1-one
2-(5H-chromeno[2,3-b]pyridin-7-yl)acrylic acid 2-(5H-chromeno[2,3-b]pyridin-7-yl)acrylic acid 52549-22-1 C15H11NO3
1-(6-chloro-5-fluoropyrimidin-4-yl)ethanol 1-(6-chloro-5-fluoropyrimidin-4-yl)ethanol 1289559-76-7 C6H6ClFN2O
Fluoxetine Impurity 29,methyl({3-phenyl-3-[2-(trifluoromethyl)phenoxy]propyl})amine Fluoxetine Impurity 29,methyl({3-phenyl-3-[2-(trifluoromethyl)phenoxy]propyl})amine 56161-71-8 C17H18F3NO
(Z)-4-chloro-6-(3-(2,4-difluorophenyl)-4-(1H-1,2,4-triazol-1-yl)but-3-en-2-yl)-5-fluoropyrimidine (Z)-4-chloro-6-(3-(2,4-difluorophenyl)-4-(1H-1,2,4-triazol-1-yl)but-3-en-2-yl)-5-fluoropyrimidine
Ceftriaxone sodium impurity 09 Ceftriaxone sodium impurity 09
Cefradine Impurity 8 Cefradine Impurity 8 30959-67-2 C16H19N3O4S
Biotin Impurity Biotin Impurity 171232-73-8 C19H18N2O2S
PANTOPRAZOLE N-OXIDE PANTOPRAZOLE N-OXIDE 953787-60-5 C16H15F2N3O5S
N-(3-GUANIDINO-4-METHYLPHENYL)-4-(METHYLPIPERAZINE-1-YL-METHYL)BENZAMIDE N-(3-GUANIDINO-4-METHYLPHENYL)-4-(METHYLPIPERAZINE-1-YL-METHYL)BENZAMIDE 581076-65-5 C21H28N6O
Tirofiban-d9 Hydrochloride Tirofiban-d9 Hydrochloride 1331911-68-2 C22H37ClN2O5S
Ibuprofen Alcohol Ibuprofen Alcohol 36039-36-8 C13H20O
1,1-BIS-(4-ISOBUTYLPHENYL)ETHANE 1,1-BIS-(4-ISOBUTYLPHENYL)ETHANE 102120-87-6 C22H30
Sugammadex sodium Impurity 52 Sugammadex sodium Impurity 52
Sugammadex sodium Impurity 43 Sugammadex sodium Impurity 43
Sugammadex sodium Impurity 39 Sugammadex sodium Impurity 39
Cefazolin Impurity EP-J Cefazolin Impurity EP-J
Cabozantinib impurity 41 Cabozantinib impurity 41
Cabozantinib impurity 67 Cabozantinib impurity 67
Dapoxetine impurity 50 Dapoxetine impurity 50
Doxofylline Impurity 18 Doxofylline Impurity 18
Dapoxetine impurity 63 Dapoxetine impurity 63
Dapoxetine impurity 57 Dapoxetine impurity 57
Bosutinib Impurity 2 (N-Desmethyl Bosutinib) Bosutinib Impurity 2 (N-Desmethyl Bosutinib) 380843-81-2 C25H27Cl2N5O3
4-PYRIDINECARBOXIMIDIC ACID, HYDRAZIDE 4-PYRIDINECARBOXIMIDIC ACID, HYDRAZIDE 89830-71-7 C6H8N4
2-PENTANOYLBENZOIC ACID 2-PENTANOYLBENZOIC ACID 550-37-8 C12H14O3
Chloromethyl ethyl carbonate Chloromethyl ethyl carbonate 35179-98-7 C4H7ClO3
Bimatoprost Impurity 10 Bimatoprost Impurity 10
Carbetocin S-Oxide II Carbetocin S-Oxide II
Empagliflozin Impurity 82 Empagliflozin Impurity 82 2452301-16-3 C17H16ClIO2
Empagliflozin Impurity 88 Empagliflozin Impurity 88
Tofacitinib Impurity K Tofacitinib Impurity K 2328165-36-0 C16H21N5O3
Olopatadine Impurity 13 Olopatadine Impurity 13 55453-90-2 C18H16O4
4-((2-amino-2-oxoethyl)amino)butanoic acid 4-((2-amino-2-oxoethyl)amino)butanoic acid 1096803-44-9 C6H12N2O3
Lenvatinib impurity LFZZ-17 Lenvatinib impurity LFZZ-17 C11H9NO4
Ornidazole Impurity 25 Ornidazole Impurity 25
Pitavastatin Impurity 72 Pitavastatin Impurity 72
Febuxostat Impurity 109 Febuxostat Impurity 109
Brivaracetam Impurity 37 Brivaracetam Impurity 37
Ticagrelor Impurity 133 Ticagrelor Impurity 133
4-[(1,3-Dihydro-1-hydroxy-2,1-benzoxaborol-5-yl)oxy]-benzamide 4-[(1,3-Dihydro-1-hydroxy-2,1-benzoxaborol-5-yl)oxy]-benzamide 1187188-59-5 C14H12BNO4
2-Propenoic acid, 3-[4-(hydroxymethyl)phenyl]- 2-Propenoic acid, 3-[4-(hydroxymethyl)phenyl]- 219915-41-0 C10H10O3
L-Alanine, 3-[(R)-(carboxymethyl)sulfinyl]- L-Alanine, 3-[(R)-(carboxymethyl)sulfinyl]- 61475-35-2 C5H9NO5S
Phenol, 2-(2-phenyldiazenyl)- Phenol, 2-(2-phenyldiazenyl)- 2362-57-4 C12H10N2O
3-Quinolinecarboxylic acid, 1-cyclopropyl-7-fluoro-1,4-dihydro-6,8-dimethoxy-4-oxo- 3-Quinolinecarboxylic acid, 1-cyclopropyl-7-fluoro-1,4-dihydro-6,8-dimethoxy-4-oxo- 2410658-30-7 C15H14FNO5
Hexanoic acid, 3-(hydroxymethyl)- Hexanoic acid, 3-(hydroxymethyl)- 81381-87-5 C7H14O3
1-Pyrrolidinecarboxylic acid, 3,3'-dithiobis[5-[(dimethylamino)carbonyl]-, 1,1'-bis[(4-nitrophenyl)methyl] ester, (3S,3'S,5S,5'S)- 1-Pyrrolidinecarboxylic acid, 3,3'-dithiobis[5-[(dimethylamino)carbonyl]-, 1,1'-bis[(4-nitrophenyl)methyl] ester, (3S,3'S,5S,5'S)- 936226-36-7 C30H36N6O10S2
D-Glucitol, 1,5-anhydro-1-C-[4-chloro-3-[[4-(1-methylethoxy)phenyl]methyl]phenyl]-, (1S)- D-Glucitol, 1,5-anhydro-1-C-[4-chloro-3-[[4-(1-methylethoxy)phenyl]methyl]phenyl]-, (1S)- 946525-39-9 C22H27ClO6
Topiroxostat Impurity 42 Topiroxostat Impurity 42
Crisaborole intermediate Crisaborole intermediate 1187188-60-8 C14H13BO4
Regorafenib Impurity MHY Regorafenib Impurity MHY
Lumateperone Impurity 6 Lumateperone Impurity 6 313368-82-0 C23H26FN3O
6,6'-oxybis(3-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoic acid) 6,6'-oxybis(3-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoic acid)
4-Pyrimidineethanol, 6-bromo-α-(2,4-difluorophenyl)-5-fluoro-β-methyl-α-(1H-1,2,4-triazol-1-ylmethyl)- 4-Pyrimidineethanol, 6-bromo-α-(2,4-difluorophenyl)-5-fluoro-β-methyl-α-(1H-1,2,4-triazol-1-ylmethyl)- 1307315-04-3 C16H13BrF3N5O
Cycloocta[b]pyridine, 2-(4-ethyl-1,4-dioxido-1-piperazinyl)-4-(4-fluorophenyl)-5,6,7,8,9,10-hexahydro- Cycloocta[b]pyridine, 2-(4-ethyl-1,4-dioxido-1-piperazinyl)-4-(4-fluorophenyl)-5,6,7,8,9,10-hexahydro- 2247538-61-8 C23H30FN3O2
Vonoprazan Impurity B-3 Vonoprazan Impurity B-3
3-Azetidineacetamide, 1-(ethylsulfonyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]- 3-Azetidineacetamide, 1-(ethylsulfonyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]- 2271228-51-2 C16H19N7O3S
Budesonide Impurity 26 Budesonide Impurity 26
Peramivir Impurity 48 Peramivir Impurity 48
Tolvaptan dehydroxylated impurity Tolvaptan dehydroxylated impurity
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