Ethylene Terephthalate Cyclic Dimer CAS 24388-68-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 24388-68-9 |
| Molecular Formula | C20H16O8 |
| Molecular Weight | 384.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ethylene Terephthalate Cyclic Dimer (CAS 24388-68-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C20H16O8. Molecular weight: 384.34 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C20H16O8 |
| Molecular Weight | 384.34 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
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- Tau Peptide (277-291) trifluoroacetate salt (CAS 330456-40-1)
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