(((4,5-Dibromo-1,2-phenylene)bis(oxy))bis(methylene))dibenzene CAS 206995-42-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 206995-42-8 |
| Molecular Formula | C20H16Br2O2 |
| Molecular Weight | 448.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(((4,5-Dibromo-1,2-phenylene)bis(oxy))bis(methylene))dibenzene (CAS 206995-42-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H16Br2O2. Molecular weight: 448.15 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C20H16Br2O2 |
| Molecular Weight | 448.15 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, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2016 |
| Halogen Content | Br-containing |
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- (Cyclopentanecarbonyl)valine (CAS 180991-71-3)
- 1-Allyl-5-(4-bromophenyl)-1H-imidazole-2-thiol (CAS 1105189-77-2)
- Tirzepatide Impurity 25 X TFA Salt (CAS CATO-C4X-324025)
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