3-Ethyl-6-(thiophen-2-yl)isoxazolo[5,4-b]pyridine-4-carboxylic acid CAS 1263212-63-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1263212-63-0 |
| Molecular Formula | C13H10N2O3S |
| Molecular Weight | 274.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
3-Ethyl-6-(thiophen-2-yl)isoxazolo[5,4-b]pyridine-4-carboxylic acid (CAS 1263212-63-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H10N2O3S. Molecular weight: 274.30 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H10N2O3S |
| Molecular Weight | 274.30 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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 |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- 3-[7-(thiophen-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]propanoic acid (CAS 1018052-13-5)
- 3-Methyl-6-(thiophen-2-yl)isoxazolo[5,4-b]pyridine-4-carbohydrazide (CAS 938001-69-5)
- 4-[4-Methyl-2-(thiophen-2-yl)-1,3-thiazol-5-yl]pyrimidin-2-amine (CAS 263386-01-2)
- N-((1-(Thiophen-2-yl)cyclopropyl)methyl)butane-1-sulfonamide (CAS 1210958-86-3)
- 4-Benzyl-5-(thiophen-2-yl)-4H-1,2,4-triazole-3-thiol (CAS 139614-67-8)
- 4-Phenyl-5-(thiophen-2-ylmethyl)-4H-1,2,4-triazole-3-thiol (CAS 384806-50-2)
- 2-((2-(Methyl(thiophen-3-ylmethyl)amino)-2-oxoethyl)thio)propanoic acid (CAS 1007797-97-8)
- 4-({[(thiophen-2-yl)methyl]amino}methylidene)-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-5-one (CAS 240115-98-4)
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