2-Ethynyl-2-hydroxycyclopentan-1-one CAS 139071-58-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 139071-58-2 |
| Molecular Formula | C7H8O2 |
| Molecular Weight | 124.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Ethynyl-2-hydroxycyclopentan-1-one (CAS 139071-58-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H8O2. Molecular weight: 124.14 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H8O2 |
| Molecular Weight | 124.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
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- 5-Bromo-4-mercaptonicotinonitrile (CAS 1706465-17-9)
- Methyl Indole-3-acetate (CAS 1912-33-0)
- 3-(5-Chloro-1-oxoisoindolin-2-yl)piperidine-2,6-dione (CAS 1416990-11-8)
- Insulin Degludec Impurity 10 (CAS CATO-C4X-215710)
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