3,3'-Dibromo-4,4'-dihydroxybiphenyl CAS 189039-64-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 189039-64-3 |
| Molecular Formula | C12H8Br2O2 |
| Molecular Weight | 344.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,3'-Dibromo-4,4'-dihydroxybiphenyl (CAS 189039-64-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H8Br2O2. Molecular weight: 344.00 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C12H8Br2O2 |
| Molecular Weight | 344.00 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, 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2011 |
| Halogen Content | Br-containing |
Related Dibromo Standards
- 4,5-Dibromo-2-(m-tolyl)pyridazin-3(2H)-one (CAS 1035450-90-8)
- Methyl 6,7-dibromo-2-naphthoate (CAS 131331-18-5)
- 4,5-Dibromo-2-(p-tolyl)pyridazin-3(2H)-one (CAS 14132-98-0)
- 2,2'-Dibromo-[1,1'-biphenyl]-4,4'-diol (CAS 84530-62-1)
- 4,5-Dibromo-3-methylcyclohexane-1,2-dicarboxylic acid (CAS 65941-85-7)
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- 5,5'-Dibromo-[2,2'-bipyridine]-3,3'-diamine (CAS 464895-32-7)
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Recommended Standards
- 2,2'-Dihydroxy-5,5'-dibromobiphenyl (CAS 34261-55-7)
- 5-Bromo-3-pentafluoroethyl-2-trifluoromethylpyridine (CAS 1246466-66-9)
- 5-Bromo-2-pentafluoroethyl-3-trifluoromethylpyridine (CAS 1246466-50-1)
- D-Alanine (CAS 338-69-2)
- (9H-Fluoren-9-yl)methyl (2-(2-(3-(4,4-dimethyl-2,6-dioxocyclohexylidene)-3-hydroxypropoxy)ethoxy)ethyl)carbamate (CAS 1988771-96-5)
- 2-(Ethylamino)-2-methyl-4-(2-methyl-1h-imidazol-1-yl)butanamide (CAS 1248131-59-0)
- 1-Amino-3-isopropoxy-2-methylpropan-2-ol (CAS 1343514-30-6)
- 5-(4-Hydroxybenzyl)-3-propylimidazolidine-2,4-dione (CAS 1214645-12-1)
- (R)-2-Methyl-morpholine HCl (CAS 168038-14-0)
- Liraglutide Impurity 6 TFA Salt (CAS CATO-C4X-19926)
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