6-hydroxybenzo[h]chromeno[5,4,3-cde]chromene-5,12-dione CAS 1021499-85-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1021499-85-3 |
| Molecular Formula | C18H8O5 |
| Molecular Weight | 304.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 6-hydroxybenzo[h]chromeno[5,4,3-cde]chromene-5,12-dione (CAS 1021499-85-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H8O5. Molecular weight: 304.25 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C18H8O5 |
| Molecular Weight | 304.25 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
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- Bifendate (CAS 73536-69-3)
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- 1,3,5-Tribromo-2-methylbenzene (CAS 6320-40-7)
- 2-(4-tert-Butylphenyl)-6-chloroquinoline-4-carbonyl chloride (CAS 1160263-21-7)
- Sodium (Z)-4-(1-ethyl-5-methyl-1H-pyrazol-4-yl)-1,1-difluoro-4-oxobut-2-en-2-olate (CAS 1197240-25-7)
- Semaglutide impurity 198 (CAS CATO-C4X-2226198)
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