5,7-dichloro-3,4-dihydro-2H-1-benzopyran-4-ol CAS 1461707-28-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1461707-28-7 |
| Molecular Formula | C9H8Cl2O2 |
| Molecular Weight | 219.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,7-dichloro-3,4-dihydro-2H-1-benzopyran-4-ol (CAS 1461707-28-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H8Cl2O2. Molecular weight: 219.06 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H8Cl2O2 |
| Molecular Weight | 219.06 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | Cl-containing |
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- Semaglutide impurity 198 (CAS CATO-C4X-2226198)
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