Bis(4-bromophenyl)acetylene CAS 2789-89-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2789-89-1 |
| Molecular Formula | C14H8Br2 |
| Molecular Weight | 336.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Bis(4-bromophenyl)acetylene (CAS 2789-89-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C14H8Br2. Molecular weight: 336.02 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C14H8Br2 |
| Molecular Weight | 336.02 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Br-containing |
Related Bis Standards
- 1,2-Bis(3-bromophenyl)ethyne (CAS 153404-60-5)
- 1,2-Bis(2-bromophenyl)ethyne (CAS 38399-13-2)
- 3-(4-Bromophenyl)-5-(trifluoromethyl)isoxazole-4-carboxylic acid (CAS 1159978-82-1)
- 1-(4-bromophenyl)-5-(trifluoromethyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1221724-13-5)
- 1-(3-Bromophenyl)-5-(trifluoromethyl)-1h-1,2,3-triazole-4-carboxylic acid (CAS 1221725-66-1)
- 1-(2-Bromophenyl)-5-(trifluoromethyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1312135-90-2)
- 2-(2-Bromophenyl)-5-(trifluoromethyl)-2H-1,2,3-triazole-4-carboxylic acid (CAS 1708168-99-3)
- 1-(4-Bromophenyl)-2-(4-nitrophenoxy)ethan-1-one (CAS 111946-84-0)
Recommended Standards
- Benzyl 2,4-Dibromobutyrate (CAS 23085-60-1)
- Ethyl 2,3-dibromo-3-phenylpropionate (CAS 5464-70-0)
- 4,5-Dibromo-2-cyclohexylpyridazin-3(2H)-one (CAS 23215-69-2)
- 6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazolo[1,5-a]pyridine (CAS 1873385-99-9)
- ((1,2-Diphenylethene-1,2-diyl)bis(4,1-phenylene))diboronicacid (CAS 1054451-31-8)
- 1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid and 2,2-dimethyl-1,3-propanediol (CAS 25214-38-4)
- 1-(3-Fluoro-5-(trifluoromethyl)phenyl)butan-1-ol (CAS 1443347-29-2)
- 3-(4-(2-Chloro-4-nitrophenyl)buta-1,3-dien-1-yl)benzene-1-sulfonyl fluoride (CAS 31368-27-1)
- 4h,6h,7h-Thieno[3,2-c]pyran-4-ylmethanamine (CAS 63932-26-3)
- Des-Phe22-Tirzepatide (CAS CATO-CPTD788951)
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