4-oxo-3,4-dihydro-2H-1-benzopyran-2-carboxylic acid CAS 51048-00-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 51048-00-1 |
| Molecular Formula | C10H8O4 |
| Molecular Weight | 192.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-oxo-3,4-dihydro-2H-1-benzopyran-2-carboxylic acid (CAS 51048-00-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H8O4. Molecular weight: 192.17 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H8O4 |
| Molecular Weight | 192.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
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Recommended Standards
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- 2,5,8-Triazaspiro[3.5]nonan-1-one (CAS 2655727-50-5)
- Insulin Degludec Impurity 26 (CAS CATO-C4X-215726)
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