ethyl 4-hydroxy-6-oxo-7H-thieno[2,3-b]pyridine-5-carboxylate CAS 99429-68-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 99429-68-2 |
| Molecular Formula | C10H9NO4S |
| Molecular Weight | 239.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order ethyl 4-hydroxy-6-oxo-7H-thieno[2,3-b]pyridine-5-carboxylate (CAS 99429-68-2) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C10H9NO4S. Molecular weight: 239.25 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C10H9NO4S |
| Molecular Weight | 239.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related ethyl Standards
- 8-Hydroxy-2-methylquinoline-5-sulfonic acid (CAS 29021-67-8)
- 4-Hydroxy-5-isopropyl-6-methyl-2-oxo-1,2-dihydro-pyridine-3-carboxylic acid ethyl ester (CAS 100371-18-4)
- Ethyl 4-hydroxy-6-methyl-2-oxo-5-propyl-1,2-dihydropyridine-3-carboxylate (CAS 100371-19-5)
- 7-Hydroxy-4-(pyridin-3-yl)-2H-chromen-2-one (CAS 109512-76-7)
- (2-Hydroxy-1-hydroxymethyl-1-methylethyl)-carbamic acid benzyl ester (CAS 112766-49-1)
- N-(5-Hydroxy-9H-fluoren-2-yl)acetamide (CAS 1147-55-3)
- 7-Hydroxy-3-(pyridin-2-yl)-2H-chromen-2-one (CAS 1148-28-3)
- 2-Hydroxy-4-methoxy-N-(2-methoxyethyl)-N-methylbenzamide (CAS 1303826-98-3)
Recommended Standards
- Ethyl 4-(furan-2-yl)-2-oxo-2,3-dihydrothiazole-5-carboxylate (CAS 886504-76-3)
- Methyl 2-ethyl-7-oxo-7H-[1,3,4]thiadiazolo[3,2-a]pyrimidine-5-carboxylate (CAS 897773-56-7)
- N-(4-(5-(Hydroxyamino)furan-2-yl)thiazol-2-yl)acetamide (CAS 95211-80-6)
- 2-Bromo-5-(difluoromethyl)pyridin-4-amine (CAS 1806773-35-2)
- 6-Methyl-2,3-diphenyl-7,8-dihydroimidazo[1,2-b]pyridazine (CAS 89004-11-5)
- Isopropyl 6-methyl-4-(3-(2-methyl-2,3-dihydrobenzofuran-5-yl)-1-phenyl-1H-pyrazol-4-yl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 618410-85-8)
- 8-((Benzyloxy)carbonyl)-2,8-diazaspiro[4.5]Decane-3-carboxylic acid (CAS 2306263-08-9)
- 2-benzenesulfonamidoethane-1-sulfonyl chloride (CAS 1384430-74-3)
- 1-(5-Methoxypyridin-2-yl)piperazine trihydrochloride (CAS 1779124-05-8)
- Semaglutide Impurity 142 (CAS CATO-C4X-2226142)
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