4,4'-Bis(bromoethynyl)-1,1'-biphenyl CAS 1800534-49-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1800534-49-9 |
| Molecular Formula | C16H8Br2 |
| Molecular Weight | 360.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
4,4'-Bis(bromoethynyl)-1,1'-biphenyl (CAS 1800534-49-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H8Br2. Molecular weight: 360.04 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H8Br2 |
| Molecular Weight | 360.04 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Br-containing |
Recommended Standards
- 5,5'-Dibromo-3,3'-difluoro-2,2'-bithiophene (CAS 1619967-08-6)
- 1,3-Dibromopyrene (CAS 38037-54-6)
- 2,7-Dibromopyrene (CAS 102587-98-4)
- (R)-N,2-Dihydroxypropanimidamide (CAS 1609388-33-1)
- 1-(4-Fluorophenyl)-4,5,6,7-tetrahydro-1H-indazol-4-ol (CAS 37901-75-0)
- 2-(m-Tolyl)thiazole (CAS 42156-13-8)
- 2-(4-Methylbenzamido)ethane-1-sulfonyl chloride (CAS 1315368-55-8)
- 1-(2,4-Dichlorobenzyl)-1h-imidazol-2-amine (CAS 1184035-57-1)
- 2,5-Bis(allyloxy)terephthalic acid (CAS 149590-60-3)
- Vialox Peptide(Pentapeptide-3) diacetate (CAS 725232-44-0)
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