3-Hydroxy-2-vinyl-4H-pyran-4-one CAS 4940-21-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4940-21-0 |
| Molecular Formula | C7H6O3 |
| Molecular Weight | 138.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Hydroxy-2-vinyl-4H-pyran-4-one (CAS 4940-21-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H6O3. Molecular weight: 138.12 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H6O3 |
| Molecular Weight | 138.12 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
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- 3-(1-Benzylpyrrolidin-2-yl)propan-1-ol (CAS 1248273-18-8)
- N-(cyclohexylmethyl)-4-methoxyaniline (CAS 6709-45-1)
- Ethyl 4-(2-(2,6-dichloroisonicotinoyl)hydrazinyl)-2-(trifluoromethyl)pyrimidine-5-carboxylate (CAS 264225-78-7)
- [D-Glu]3-Semaglutide (CAS CATO-C4X-2226253)
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