9,11-Dihydroxy-12H-benzo[a]xanthen-12-one CAS 53865-04-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 53865-04-6 |
| Molecular Formula | C17H10O4 |
| Molecular Weight | 278.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
9,11-Dihydroxy-12H-benzo[a]xanthen-12-one (CAS 53865-04-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H10O4. Molecular weight: 278.26 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H10O4 |
| Molecular Weight | 278.26 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
Related Dihydroxy Standards
- 1,3-Dihydroxy-12h-benzo[b]xanthen-12-one (CAS 22315-94-2)
- 8,10-Dihydroxy-7H-benzo[c]xanthen-7-one (CAS 53865-02-4)
- 8 β,9α-Dihydroxy-10 β,11 β-epoxy-8,9,10,11-tetrahydrobenzo[a]anthracene (CAS 64937-39-9)
- 1-(2,4-Dihydroxy-3-iodophenyl)ethan-1-one (CAS 71243-12-4)
- N,2-Dihydroxy-5-iodobenzamide (CAS 177348-38-8)
- 2,4-Dihydroxy-5-isopentylpyrido[2,3-d]pyrimidine-7-carboxylic acid (CAS 1401319-12-7)
- 2,4-dihydroxy-5-iodobenzoic acid (CAS 856106-63-3)
- 3,5-Dihydroxy-4-iodobenzoic acid (CAS 76447-13-7)
Recommended Standards
- 8-Nitro-1h,2h,4h,4ah,5h,6h-morpholino[4,3-a]quinoline-5-carboxylic acid (CAS 949270-15-9)
- Bis(furan-2-ylmethyl) succinate (CAS 94245-64-4)
- Bis(oxiran-2-ylmethyl) phthalate (CAS 7195-45-1)
- 5-Fluoro-4-iodo-2-methylaniline (CAS 307306-08-7)
- Sodium Metabisulfite (CAS 7681-57-4)
- Suzetrigine Impurity 5 (CAS CATO-C4X-33696)
- Tert-butyl 4-methyl-4-(4-methylpiperazin-1-yl)piperidine-1-carboxylate (CAS 864369-94-8)
- Ethyl 2-(2-((tert-butoxycarbonyl)amino)pyridin-3-yl)-2-oxoacetate (CAS 1260806-33-4)
- 2-(4-Aminopiperidin-1-yl)-6-ethyl-3-methylpyrimidin-4(3H)-one (CAS 1713639-51-0)
- 3X Flag Peptide trifluoroacetate salt (CAS 402750-12-3)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com