1,3-Dihydroxy-5-methoxy-9H-xanthen-9-one CAS 6563-47-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 6563-47-9 |
| Molecular Formula | C14H10O5 |
| Molecular Weight | 258.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,3-Dihydroxy-5-methoxy-9H-xanthen-9-one (CAS 6563-47-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H10O5. Molecular weight: 258.23 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H10O5 |
| Molecular Weight | 258.23 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Dihydroxy Standards
- 2,5-Dihydroxy-1-methoxy-9H-xanthen-9-one (CAS 173220-32-1)
- 1,7-Dihydroxy-4-methoxy-9H-xanthen-9-one (CAS 87339-76-2)
- 3,4-Dihydroxy-2-methoxy-9H-xanthen-9-one (CAS 6702-55-2)
- 3-((4,6-Dihydroxy-5-isopropylpyrimidin-2-yl)thio)propanoic acid (CAS 337499-88-4)
- 6-Benzyl-2,4-dihydroxy-5,6-dihydro-7H-pyrrolo[3,4-d]pyrimidin-7-one (CAS 19068-66-7)
- 1,3-Dihydroxy-7-methoxyacridin-9(10H)-one (CAS 612541-98-7)
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- Semaglutide Impurity 142 (CAS CATO-C4X-2226142)
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