8-Ethoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid CAS 303121-05-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303121-05-3 |
| Molecular Formula | C12H11NO4 |
| Molecular Weight | 233.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 8-Ethoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 303121-05-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C12H11NO4. Molecular weight: 233.22 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C12H11NO4 |
| Molecular Weight | 233.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related Ethoxy Standards
- 8-ethoxy-4-hydroxyquinoline-3-carboxylic acid (CAS 111185-99-0)
- 2-(2-((1-Ethoxy-1-oxopropan-2-yl)amino)-2-oxoethoxy)acetic acid (CAS 1397000-27-9)
- 5-Ethoxy-2-phenyl-1,3-oxazole-4-carboxylic acid (CAS 54644-12-1)
- 6-Ethoxy-4-hydroxyquinoline-3-carboxylic acid (CAS 303121-10-0)
- 6-Ethoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 51726-50-2)
- 4-Ethoxy-3-(trifluoromethyl)benzamide (CAS 1206593-26-1)
- 4-Ethoxy-1-ethyl-1h-indole-2-carboxylic acid (CAS 1017062-78-0)
- Ethyl 4-ethoxy-1h-indole-2-carboxylate (CAS 1156857-24-7)
Recommended Standards
- 7'-Methyl-5'-oxo-5'H,7'H-spiro[cyclopropane-1,8'-pyrano[4,3-b]pyridine]-2'-carboxylic acid (CAS 2673370-79-9)
- 8-Methoxy-1-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 35975-70-3)
- 7-Methoxy-1-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 43170-75-8)
- Ethoxysulfonyl Chloride (CAS 625-01-4)
- 3-(5-cyclopropyl-1H-1,2,4-triazol-3-yl)piperidine (CAS 1250129-98-6)
- N-(3-acetylphenyl)-2-fluorobenzamide (CAS 303091-99-8)
- 1-[amino(4-methylpiperazin-1-yl)methylidene]guanidine dihydrochloride (CAS 18413-36-0)
- 1-(Dimethylamino)-4-phenoxypent-1-en-3-one (CAS 338976-01-5)
- 3-Hydroxy-2,3-dimethylbutan-2-yl hydrogen (6-bromo-2-fluoropyridin-3-yl)boronate (CAS 1310404-04-6)
- Semaglutide Impurity 167 (CAS CATO-C4X-2226167)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com