4,4′′′-Diiodo-1,1′:4′,1′′:4′′,1′′′-quaterphenyl CAS 1770-82-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1770-82-7 |
| Molecular Formula | C24H16I2 |
| Molecular Weight | 558.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4,4′′′-Diiodo-1,1′:4′,1′′:4′′,1′′′-quaterphenyl (CAS 1770-82-7) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C24H16I2. Molecular weight: 558.19 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C24H16I2 |
| Molecular Weight | 558.19 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | I-containing |
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- Semaglutide Impurity 149 (CAS CATO-C4X-2226149)
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