4-ethynyloxazole CAS 1693759-64-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1693759-64-6 |
| Molecular Formula | C5H3NO |
| Molecular Weight | 93.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4-ethynyloxazole (CAS 1693759-64-6) pharmaceutical standards reference standard. Molecular formula: C5H3NO. Molecular weight: 93.08 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C5H3NO |
| Molecular Weight | 93.08 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 1 |
Related ethynyloxazole Standards
Recommended Standards
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- (S)-2-(Aminomethyl)-3,3-dimethylbutanoic acid (CAS 1408184-35-9)
- 4-Methylpyrazolo[5,1-c][1,2,4]triazine-3-carboxylic acid (CAS 6726-55-2)
- Itraconazole Impurity 87 (CAS CATO-C4X-149787)
- 3-(Ethylthio)benzonitrile (CAS 89407-24-9)
- Semaglutide impurity 273 (CAS CATO-C4X-2226273)
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