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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
ETHYL 3,4-EPOXYBUTANOATE ETHYL 3,4-EPOXYBUTANOATE 32223-97-5 C6H10O3
Alogliptin Impurity A Alogliptin Impurity A
Alcaftadine N-Oxide Alcaftadine N-Oxide 952649-75-1 C19H21N3O2
Acarbose Impurity B Acarbose Impurity B
Acarbose Impurity E Acarbose Impurity E
3-Hydroxy Agomelatine 3-Hydroxy Agomelatine 166526-99-4 C15H17NO3
Acarbose Impurity G Acarbose Impurity G
Afatinib Impurity 53 Afatinib Impurity 53
Afatinib Impurity 68 Afatinib Impurity 68
Agomelatine Impurity 1 Agomelatine Impurity 1
Afatinib Impurity 70 Afatinib Impurity 70 125781-04-6 C4H7ClO2
AMIKACIN IMPURITY A AMIKACIN IMPURITY A
Azlocillin Opern-Ring Decarboxylation Impurity Azlocillin Opern-Ring Decarboxylation Impurity 99795-14-9 C19H25N5O5S
AMOXICILLIN TRIHYDRATE IMP. D (EP) AS SODIUM SALT:(4S)-2-[[[(2R)-2-AMINO-2-(4-HYDROXYPHENYL)ACETYL]AMINO]-CARBOXYMETHYL]-5,5-DIMETHYLTHIAZOLIDINE-4-CARBOXYLIC ACID SODIUM SALT (PENICILLOICACIDS OF AMO AMOXICILLIN TRIHYDRATE IMP. D (EP) AS SODIUM SALT:(4S)-2-[[[(2R)-2-AMINO-2-(4-HYDROXYPHENYL)ACETYL]AMINO]-CARBOXYMETHYL]-5,5-DIMETHYLTHIAZOLIDINE-4-CARBOXYLIC ACID SODIUM SALT (PENICILLOICACIDS OF AMO 1642629-94-4 C16H21N3O6S
Anastrozole Impurity 13 Anastrozole Impurity 13
benidipine benidipine 119009-45-9 C28H31N3O6
α,α-Dibromo-o-tolunitrile α,α-Dibromo-o-tolunitrile 655-63-0 C8H5Br2N
D-hydroxyphenylglycylamoxicillin) D-hydroxyphenylglycylamoxicillin) 188112-75-6 C24H26N4O7S
Calcium bis[4-{[(1S,3R)-1-([1,1'-biphenyl]-4-ylmethyl)-3-methyl-4-oxo-4-(propan-2-yloxyl)butyl]amino}-4-oxobutanoate] Calcium bis[4-{[(1S,3R)-1-([1,1'-biphenyl]-4-ylmethyl)-3-methyl-4-oxo-4-(propan-2-yloxyl)butyl]amino}-4-oxobutanoate] C50H60CaN2O10
2,3-Dehydrosilybin  B 2,3-Dehydrosilybin B 142796-24-5 C25H20O10
monocalciummono(4-(((2R,4R)-1-([1,1'-biphenyl]-4-yl)-5-ethoxy- 4-methyl-5-oxopentan-2-yl)amino)-4-oxobutanoate) monocalciummono(4-(((2R,4R)-1-([1,1'-biphenyl]-4-yl)-5-ethoxy- 4-methyl-5-oxopentan-2-yl)amino)-4-oxobutanoate) C24H28CaNO5
3-methyl-2-pentylphenol 3-methyl-2-pentylphenol 1823068-39-8 C12H18O
5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-[(1E)-2-(4-methyl-5-thiazolyl)ethenyl]-8-oxo-7-[(2-phenylacetyl)amino]-, (4-methoxyphenyl)methyl ester, (6R,7R)- 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-[(1E)-2-(4-methyl-5-thiazolyl)ethenyl]-8-oxo-7-[(2-phenylacetyl)amino]-, (4-methoxyphenyl)methyl ester, (6R,7R)- 104146-11-4 C29H27N3O5S2
diltiazem hydrochloride diltiazem hydrochloride 103532-27-0 C22H27ClN2O4S
2'-[(1H-Tetrazol-5-yl)biphenyl-4-yl]Methanol 2'-[(1H-Tetrazol-5-yl)biphenyl-4-yl]Methanol 160514-13-6 C14H12N4O
(2R,4S)-4-([1,1'-Biphenyl]-4-ylmethyl)-2-methyl-4-(2,5-dioxopyrrolidin-1-yl)butanoic acid (2R,4S)-4-([1,1'-Biphenyl]-4-ylmethyl)-2-methyl-4-(2,5-dioxopyrrolidin-1-yl)butanoic acid 1639970-62-9 C22H23NO4
Ofloxacin/Levofloxacin Impurity A Ofloxacin/Levofloxacin Impurity A
(R,R)-Palonosetron N-Oxide (R,R)-Palonosetron N-Oxide C19H24N2O2
7-PACE Impurity 2 7-PACE Impurity 2
Desloratadine IMpurity 3 Desloratadine IMpurity 3 1346600-61-0 C19H19ClN2
EMpagliflozin  iMpurity 11 EMpagliflozin iMpurity 11
LCZ Impurity LCZ Impurity 753421-85-1 C20H25NO2
(3S,5R)-4-[5-([1,1'-Biphenyl]-4-ylmethyl)-3-methyl-2-oxopyrrolidin-1-yl]-4-oxobutanoic acid (3S,5R)-4-[5-([1,1'-Biphenyl]-4-ylmethyl)-3-methyl-2-oxopyrrolidin-1-yl]-4-oxobutanoic acid C22H23NO4
Ethyl (2R,4S)-4-([1,1'-biphenyl]-4-ylmethyl)-4-[4-(propan-2-yloxy)-4-oxobutanamido]-2-methylbutanoate Ethyl (2R,4S)-4-([1,1'-biphenyl]-4-ylmethyl)-4-[4-(propan-2-yloxy)-4-oxobutanamido]-2-methylbutanoate C27H35NO5
Formoterol EP Impurity E Formoterol EP Impurity E 1616967-26-0 C20H26N2O4
(Glu3)-Carbetocin (Impurity D) (Glu3)-Carbetocin (Impurity D)
Δ3-7-ACT Δ3-7-ACT
(2R,4S)-5-([1,1'-biphenyl]-4-yl)-4-aMino-2-Methylpentanoic acid hydrochloride (2R,4S)-5-([1,1'-biphenyl]-4-yl)-4-aMino-2-Methylpentanoic acid hydrochloride 1038924-71-8 C18H22ClNO2
1-Hydroxy-7-Methoxy-1,2,3,4-tetrahydronaphthalene 1-Hydroxy-7-Methoxy-1,2,3,4-tetrahydronaphthalene 32820-10-3 C11H14O2
1-NaphthaleneacetaMide, 1,2,3,4-tetrahydro-7-Methoxy- 1-NaphthaleneacetaMide, 1,2,3,4-tetrahydro-7-Methoxy- 92041-01-5 C13H17NO2
Deschloroaripiprazole Deschloroaripiprazole 203395-81-7 C23H28ClN3O2
Afatinib IMpurity A Afatinib IMpurity A
Afatinib IMpurity G Afatinib IMpurity G
AlMotriptan Related CoMpound B AlMotriptan Related CoMpound B 1246860-65-0 C19H25N3O6S
Alogliptin Imp.13 Alogliptin Imp.13
Alogliptin Related Compound 14 Alogliptin Related Compound 14 1820685-30-0 C18H23N5O3
Alogliptin benzoate impurity K Alogliptin benzoate impurity K 1618644-32-8 C25H25N5O3
Amoxicillin Impurity  P Amoxicillin Impurity P C16H19N3O5S
N-Des-tetrahydrofuran N-(6,7-Dimethoxy-4,4a-dihydroquinazolin-4-amine) Alfuzosin N-Des-tetrahydrofuran N-(6,7-Dimethoxy-4,4a-dihydroquinazolin-4-amine) Alfuzosin 928780-95-4 C24H30N8O4
Afatinib Impurity 50 Afatinib Impurity 50
Afatinib Impurity 75 Afatinib Impurity 75 2348580-72-1 C7H14N2O
Acarbose Impurity IV (JP) Acarbose Impurity IV (JP) C13H21NO7
Azlocillin Impurity 8 Azlocillin Impurity 8
3,4-Dihydro-7-(4-chlorobutoxy)-2(1H)-quinolinone 3,4-Dihydro-7-(4-chlorobutoxy)-2(1H)-quinolinone 120004-79-7 C13H16ClNO2
1-Azetidinesulfonamide(9CI) 1-Azetidinesulfonamide(9CI) 654073-32-2 C3H8N2O2S
N-DESMETHYLGALANTHAMINE N-DESMETHYLGALANTHAMINE 41303-74-6 C16H19NO3
Hydroxy Adapalene Hydroxy Adapalene 1346599-76-5 C28H28O4
Adefovir  iMpurity Adefovir iMpurity 1875153-79-9 C15H24N5O6P
tert-butyl 4-cyclohexylpiperazine-1-carboxylate tert-butyl 4-cyclohexylpiperazine-1-carboxylate 1224935-95-8 C15H28N2O2
Avanafil iMpurity 1 Avanafil iMpurity 1 372117-54-9 C18H22ClN5O3
Avanafil Impurity 9 Avanafil Impurity 9
Afatinib Impurity 17 Afatinib Impurity 17 1870880-09-3 C20H18Cl2FN5O
Abiraterone Impurity 4 Abiraterone Impurity 4 2118-32-3 C23H34O2
4-(4-chlorothiophen-2-yl)-5-(4-cyclohexylpiperazin-1-yl)thiazol-2-amine 4-(4-chlorothiophen-2-yl)-5-(4-cyclohexylpiperazin-1-yl)thiazol-2-amine 570407-42-0 C17H23ClN4S2
T-IRR T-IRR
Avatrombopag Impurity 23 Avatrombopag Impurity 23
Avatrombopag Impurity 34 Avatrombopag Impurity 34
3-Chloro Avanafil 3-Chloro Avanafil
Avanafil IMpurity 8 (R-Avanafil) Avanafil IMpurity 8 (R-Avanafil)
570403-04-2 570403-04-2 570403-04-2 C23H24Cl3N5OS2
(2S,4S)-5-(Biphenyl-4-yl)-4-[(3-carboxypropionyl)amino]-2-methylpentanoic acid ethyl ester,calcium salt(2:1) (2S,4S)-5-(Biphenyl-4-yl)-4-[(3-carboxypropionyl)amino]-2-methylpentanoic acid ethyl ester,calcium salt(2:1)
ethyl(2R,4S)-5-([1,1'-biphenyl]-4-yl)-4-(4-ethoxy-4-oxobutanamido)-2-methylpentanoate ethyl(2R,4S)-5-([1,1'-biphenyl]-4-yl)-4-(4-ethoxy-4-oxobutanamido)-2-methylpentanoate C26H33NO5
phenyl (4-((6-carbamoyl-7-methoxyquinolin-4-yl)oxy)-2-chlorophenyl)carbamate phenyl (4-((6-carbamoyl-7-methoxyquinolin-4-yl)oxy)-2-chlorophenyl)carbamate 417722-95-3 C24H18ClN3O5
Lacosamide Impurity – K Lacosamide Impurity – K
(1R,3aS,4E,7aR)-4-[(2E)-2-[(3S,5R)-3,5-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethylidene]octahydro-7a-methyl-1-[(1R,4S)-1,4,5-trimethylhexyl]-1H-Indene (1R,3aS,4E,7aR)-4-[(2E)-2-[(3S,5R)-3,5-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethylidene]octahydro-7a-methyl-1-[(1R,4S)-1,4,5-trimethylhexyl]-1H-Indene 2229745-37-1 C40H74O2Si2
Ofloxacin/Levofloxacin Impurity B Ofloxacin/Levofloxacin Impurity B
(2R,4S)-isopropyl5-([1,1'-biphenyl]-4-yl)-4-(2,5-dioxopyrrolidin-1- yl)-2-methylpentanoate (2R,4S)-isopropyl5-([1,1'-biphenyl]-4-yl)-4-(2,5-dioxopyrrolidin-1- yl)-2-methylpentanoate C25H29NO4
Amylmetacresol EP impurity A Amylmetacresol EP impurity A 876473-73-3 C12H18O
5-methyl-2-(2-methylbutyl)phenol 5-methyl-2-(2-methylbutyl)phenol C12H18O
7-ADCA Impuirty 1 7-ADCA Impuirty 1
7-PACE Impurity 1 7-PACE Impurity 1
(R)-Fluvastatin EP Impurity E (R)-Fluvastatin EP Impurity E
5-(2-cyclopropyl-2-oxo-1-phenylethyl)-4,5,6,7-tetrahydrothieno [3,2-c]pyridin-2-yl acetate 5-(2-cyclopropyl-2-oxo-1-phenylethyl)-4,5,6,7-tetrahydrothieno [3,2-c]pyridin-2-yl acetate 1391194-45-8 C20H21NO3S
(Gly8-OH)-Carbetocin (Impurity B) (Gly8-OH)-Carbetocin (Impurity B)
D-Asn4-Carbetocin (Impurity F) D-Asn4-Carbetocin (Impurity F)
5-Chloro AcesulfaMe 5-Chloro AcesulfaMe 72827-08-8 C4H4ClNO4S
Ethyl (2R,4S)-4-([1,1'-biphenyl]-4-ylmethyl)-2-methyl-4-(2,5-dioxopyrrolidin-1-yl)butanoate Ethyl (2R,4S)-4-([1,1'-biphenyl]-4-ylmethyl)-2-methyl-4-(2,5-dioxopyrrolidin-1-yl)butanoate 1038924-97-8 C24H27NO4
3'-chloro-3'-deoxythymidine (zidovudine impurity) 3'-chloro-3'-deoxythymidine (zidovudine impurity)
Ofloxacin/Levofloxacin Impurity E Ofloxacin/Levofloxacin Impurity E
4-(4-Hydroxy-3-hydroxymethyl-phenoxy)-benzonitrile 4-(4-Hydroxy-3-hydroxymethyl-phenoxy)-benzonitrile C14H11NO3
monocalciummono(4-(((2S,4R)-1-([1,1'-biphenyl]-4-yl)-5- methoxy-4-methyl-5-oxopentan-2-yl)amino)-4-oxobutanoate) monocalciummono(4-(((2S,4R)-1-([1,1'-biphenyl]-4-yl)-5- methoxy-4-methyl-5-oxopentan-2-yl)amino)-4-oxobutanoate) C23H26CaNO5
(2R,4S)-Isopropyl 5-([1,1''-biphenyl]-4-yl)-4-(4-isopropoxy-4-oxobutanamido)-2-methylpentanoate (2R,4S)-Isopropyl 5-([1,1''-biphenyl]-4-yl)-4-(4-isopropoxy-4-oxobutanamido)-2-methylpentanoate 2216755-67-6 C28H37NO5
EP Impurity Catalog EP Impurity Catalog
2,4,6,3',5'-pentamethoxybiphenyl 2,4,6,3',5'-pentamethoxybiphenyl 84212-55-5 C17H20O5
(Asp4)-Carbetocin (Impurity G) (Asp4)-Carbetocin (Impurity G)
((1R,3R,E)-5-((E)-2-((1R,3aS,7aR)-1-((2R,5R,E)-5,6-diMethylhept-3-en-2-yl)-7a-Methyldihydro-1H-inden-4(2H,5H,6H,7H,7aH)-ylidene)ethylidene)-4-Methylenecyclohexane-1,3-diyl)bis(oxy)bis(tert-butyldiMethylsilane) ((1R,3R,E)-5-((E)-2-((1R,3aS,7aR)-1-((2R,5R,E)-5,6-diMethylhept-3-en-2-yl)-7a-Methyldihydro-1H-inden-4(2H,5H,6H,7H,7aH)-ylidene)ethylidene)-4-Methylenecyclohexane-1,3-diyl)bis(oxy)bis(tert-butyldiMethylsilane) 115540-28-8 C40H72O2Si2
(S,R)-Palonosetron N-Oxide (S,R)-Palonosetron N-Oxide C19H24N2O2
2-Hydroxymethyl Olanzapine 2-Hydroxymethyl Olanzapine 174756-45-7 C17H20N4OS
Flomoxef Impurity 2 Flomoxef Impurity 2
4-Isobutylacetophenone (Ibuprofen impurity) 4-Isobutylacetophenone (Ibuprofen impurity)
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