8-Undecyl-7H,8H,9H-dinaphtho[1,8-bc:1’,8’-hi]xanthene-7,9-dione CAS 1357481-40-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1357481-40-3 |
| Molecular Formula | C38H36O3 |
| Molecular Weight | 540.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 8-Undecyl-7H,8H,9H-dinaphtho[1,8-bc:1’,8’-hi]xanthene-7,9-dione (CAS 1357481-40-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C38H36O3. Molecular weight: 540.69 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C38H36O3 |
| Molecular Weight | 540.69 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 21.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
Related Undecyl Standards
- Undecyl 9-(dicyanomethylene)-2,7-dinitro-9H-fluorene-4-carboxylate (CAS 139542-68-0)
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Recommended Standards
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- 1,1,1-trifluoro-2-nitroethane (CAS 819-07-8)
- Tau Peptide (512-525) amide trifluoroacetate salt (CAS 2022956-61-0)
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