1,2-Bis(4-bromophenyl)diselane CAS 20541-48-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20541-48-4 |
| Molecular Formula | C12H8Br2Se2 |
| Molecular Weight | 469.92 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 1,2-Bis(4-bromophenyl)diselane (CAS 20541-48-4) pharmaceutical standards reference standard. Molecular formula: C12H8Br2Se2. Molecular weight: 469.92 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C12H8Br2Se2 |
| Molecular Weight | 469.92 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Br-containing |
Related Bis Standards
- 2-[(4-Bromophenyl)sulfanyl]-6-(3-chlorophenyl)-4-(trifluoromethyl)pyridine-3-carbonitrile (CAS 338963-35-2)
- 2-((5-(2-Bromophenyl)-1,3,4-oxadiazol-2-yl)thio)-N-(4-chloro-3-nitrophenyl)acetamide (CAS 332154-88-8)
- 2,4-Bis(4-bromophenyl)-2-methyl-2,3-dihydro-1H-1,5-benzodiazepine (CAS 89586-99-2)
- 2-((4-(4-Bromophenyl)-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)-1-(4-fluorophenyl)ethanone (CAS 477330-58-8)
- 2-((4-(4-Bromophenyl)-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)-1-(4-fluorophenyl)ethanone (CAS 477329-76-3)
- 2-((2-(4-Bromophenyl)-2-oxoethyl)thio)-3-phenyl-6-(trifluoromethyl)pyrimidin-4(3H)-one (CAS 692287-52-8)
- N-(2-Bromophenyl)-2-((5-(2-bromophenyl)-1,3,4-oxadiazol-2-yl)thio)acetamide (CAS 332100-69-3)
- N-(4-bromophenyl)-2-((5-(2-bromophenyl)-1,3,4-oxadiazol-2-yl)thio)acetamide (CAS 334503-71-8)
Recommended Standards
- 1-(4-Chlorobenzenesulfonyl)-4-{5-[3-(trifluoromethyl)phenyl]-1H-pyrazol-3-yl}piperidine (CAS 1025724-67-7)
- 4-(2-(2-Chloro-4-(4,6-diamino-2,2-dimethyl-1,3,5-triazin-1(2H)-yl)phenoxy)ethoxy)benzene-1-sulfonyl fluoride (CAS 20110-66-1)
- 1-[3-chloro-5-(trifluoromethyl)-2-pyridinyl]-4-(2-naphthylsulfonyl)-1,4-diazepane (CAS 1024482-77-6)
- Butyldimethyl(perfluorophenyl)silane (CAS 63107-88-0)
- 3-Chloro-N-(6-ethoxypyrimidin-4-yl)-4-fluorobenzenesulfonamide (CAS 1396862-23-9)
- Apixaban Impurity 141 (CAS CATO-C4X-1088141)
- (Z)-3-(4-Fluorophenyl)-2-(6,7,8,9-tetrahydro-5H-[1,2,4]triazolo[4,3-a]azepin-3-yl)acrylonitrile (CAS 1322213-52-4)
- 1858256-79-7 tert-Butyl 8-bromo-5-ethyl-1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indole-2-carboxylate MFCD29034973 (CAS 1858256-79-7)
- 1-(Isopropoxycarbonyl)-2,3-dihydro-1H-pyrrolizine-7-carboxylic acid (CAS 66635-70-9)
- Semaglutide impurity 193 (CAS CATO-C4X-2226193)
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