Ethyl 1-(6-amino-3,5-difluoropyridin-2-yl)-6-fluoro-7-(3-hydroxyazetidin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylate CAS 1788043-98-0
| CAS No. | 1788043-98-0 |
| Molecular Formula | C20H17F3N4O4 |
| Molecular Weight | 434.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Ethyl 1-(6-amino-3,5-difluoropyridin-2-yl)-6-fluoro-7-(3-hydroxyazetidin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylate (CAS 1788043-98-0), molecular formula C20H17F3N4O4 and molecular weight 434.37 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution, Ethyl 1-(6-amino-3,5-difluoropyridin-2-yl)-6-fluoro-7-(3-hydroxyazetidin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 434.37 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures Ethyl 1-(6-amino-3,5-difluoropyridin-2-yl)-6-fluoro-7-(3-hydroxyazetidin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H17F3N4O4 |
| Molecular Weight | 434.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
Related Ethyl Standards
- 2-(6-Amino-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-2-oxoethyl 2-(furan-2-yl)quinoline-4-carboxylate (CAS 522624-94-8)
- 5-Amino-N-[4-(trifluoromethoxy)phenyl]-7-thia-1,9-diazatetracyclo[9.2.2.0^{2,10}.0^{4,8}]pentadeca-2(10),3,5,8-tetraene-6-carboxamide (CAS 728003-22-3)
- 2-Amino-3-(4-bromobenzoyl)-N-phenylindolizine-1-carboxamide (CAS 896172-79-5)
- 5'-Amino-4''-bromo-3,4-dimethoxy-[1,1':3',1''-terphenyl]-4',6'-dicarbonitrile (CAS 299934-67-1)
- Methyl 2-amino-4-(2,4-dichlorophenyl)-5-oxo-4H,5H-thiochromeno[4,3-b]pyran-3-carboxylate (CAS 923559-99-3)
- Methyl 2-amino-4-(2,6-dichlorophenyl)-5-oxo-4H,5H-thiochromeno[4,3-b]pyran-3-carboxylate (CAS 939889-09-5)
- 2-Amino-5-(4-bromophenyl)-5-[(3,4,5-trimethoxyphenyl)methyl]-4,5-dihydro-1H-imidazol-4-one (CAS 1354918-47-0)
- Ethyl 6-amino-4-(4-(benzyloxy)-3-ethoxyphenyl)-5-cyano-2-methyl-4H-pyran-3-carboxylate (CAS 337498-93-8)
Recommended Standards
- 2,9-Dimethyl-N-(2,4,6-trinitrophenyl)-1,10-phenanthrolin-5-amine (CAS 380482-30-4)
- 3-(2-Bromophenyl)-N-((5-(thiophene-3-carbonyl)thiophen-2-yl)methyl)propanamide (CAS 1797762-10-7)
- 2-(4-Chlorophenyl)-N-(2-{4-[2-(4-chlorophenyl)acetyl]piperazin-1-yl}ethyl)acetamide (CAS 548438-13-7)
- 1-(4-((2-(Diallylamino)ethyl)amino)-6-methylpyrimidin-2-yl)-3-(3,4-dichlorophenyl)guanidine (CAS 51386-80-2)
- 2-Azido-3,4,8-trimethyl-3H-imidazo[4,5-f]quinoxaline-d3 (CAS 1215752-55-8)
- METHYL 6-BROMONAPHTHALENE-1-CARBOXYLATE (CAS 93353-66-3)
- n-(3,5-Difluorophenethyl)propan-2-amine (CAS 1248434-25-4)
- 2-Chloro-N-cyclopentylpyridin-4-amine (CAS 1209457-87-3)
- 2-(Ethylamino)-6,7-dihydro-5H-cyclopenta[b]pyridine-3-carboxylic acid (CAS 1249320-63-5)
- N1-(2-(2-Isopropyl-5-methylcyclohexyl)-2-oxoethyl)-N1,N1,N10,N10-tetramethyl-N10-(2-((3-methylcyclohexyl)oxy)-2-oxoethyl)decane-1,10-diaminium chloride (CAS 1338605-72-3)
- 2-Chloro-5-(pyridin-3-yl)pyrimidine (CAS 1211588-38-3)
- 1-Hydroxy-2,3-dihydro-1H-indene-5-carbonitrile (CAS 125114-88-7)
- (S)-3-Hydroxydecanoic acid (CAS 19526-23-9)
- Semaglutide impurity 86 (CAS CATO-C4X-152686)
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