5-Cyclopentylisoxazol-3(2H)-one CAS 27772-74-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 27772-74-3 |
| Molecular Formula | C8H11NO2 |
| Molecular Weight | 153.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Cyclopentylisoxazol-3(2H)-one (CAS 27772-74-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H11NO2. Molecular weight: 153.18 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H11NO2 |
| Molecular Weight | 153.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 1 |
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- ACY-738, 98% (CAS 1375465-91-0)
- Semaglutide impurity 247 (CAS CATO-C4X-2226247)
Why CATO?
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