(3R)-8-hydroxy-3-(3-hydroxy-4-methoxyphenyl)-3,4-dihydroisochromen-1-one CAS 21499-23-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21499-23-0 |
| Molecular Formula | C16H14O5 |
| Molecular Weight | 286.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (3R)-8-hydroxy-3-(3-hydroxy-4-methoxyphenyl)-3,4-dihydroisochromen-1-one (CAS 21499-23-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H14O5. Molecular weight: 286.28 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H14O5 |
| Molecular Weight | 286.28 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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