1,8-Bis(bromoethynyl)anthracene CAS 778649-20-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 778649-20-0 |
| Molecular Formula | C18H8Br2 |
| Molecular Weight | 384.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1,8-Bis(bromoethynyl)anthracene (CAS 778649-20-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H8Br2. Molecular weight: 384.06 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C18H8Br2 |
| Molecular Weight | 384.06 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Br-containing |
Related Bis Standards
- 1,3,5-Tris(bromoethynyl)benzene (CAS 177738-26-0)
- 4,4'-Bis(bromoethynyl)-1,1'-biphenyl (CAS 1800534-49-9)
- 1,4-Bis(2-bromoethynyl)benzene (CAS 65127-72-2)
- 2-(2-(Bromoethynyl)-4,5-dimethoxyphenyl)acetonitrile (CAS 2715198-72-2)
- (Bromoethynyl)triisopropylsilane (CAS 111409-79-1)
- 1-((Bromoethynyl)sulfonyl)-4-methylbenzene (CAS 227454-51-5)
- 4-(Bromoethynyl)-1,1'-biphenyl (CAS 1321929-32-1)
- 1-(Bromoethynyl)-4-(trifluoromethyl)benzene (CAS 313343-88-3)
Recommended Standards
- 4,5-dibromo-N-(2,2-diethoxyethyl)-1H-pyrrole-2-carboxamide (CAS 1461713-43-8)
- 3-([1,1'-Biphenyl]-4-yl)-2,3-dibromopropanoic acid (CAS 857813-74-2)
- 7-Bromo-3-(3,4-dichlorobenzyl)quinazolin-4(3H)-one (CAS 832114-35-9)
- n-Methylcyclohexanesulfonamide (CAS 7010-85-7)
- 2-{2-[(4-phenyl-4H-1,2,4-triazol-3-yl)sulfanyl]ethyl}pyridine (CAS 1210753-31-3)
- 1076198-04-3 2-[(Diethylamino)thioxomethoxy]benzeneacetic Acid Ethyl Ester Ethyl [2-Diethylaminothiocarboxyl)]phenylacetate (CAS 1076198-04-3)
- 5-((3-Methylcyclohex-3-en-1-yl)methyl)-1H-imidazole (CAS 462118-28-1)
- N-methyl-2,3-dihydrobenzo[b]thiophene-2-carboxamide (CAS 1090962-89-2)
- 3-((3,4-Dichlorophenyl)amino)-1-(4-ethoxyphenyl)propan-1-one (CAS 883794-23-8)
- Semaglutide impurity 203 (CAS CATO-C4X-2226203)
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