(E)-1-bromo-4-(4-chlorostyryl)benzene CAS 51665-23-7
| CAS No. | 51665-23-7 |
| Molecular Formula | C14H10BrCl |
| Molecular Weight | 293.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures (E)-1-bromo-4-(4-chlorostyryl)benzene under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
(E)-1-bromo-4-(4-chlorostyryl)benzene (CAS 51665-23-7), molecular formula C14H10BrCl and molecular weight 293.59 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C14H10BrCl, (E)-1-bromo-4-(4-chlorostyryl)benzene contains chlorine/bromine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 293.59 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C14H10BrCl |
| Molecular Weight | 293.59 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, keep tightly closed to prevent evaporation |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Halogen Content | Cl/Br-containing |
Related E Standards
- 1-(2-Bromo-1-(2-methoxyethoxy)ethyl)-4-chlorobenzene (CAS 1248145-68-7)
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Recommended Standards
- (S)-1-(3-chloro-4-(trifluoromethoxy)phenyl)-2,2,2-trifluoroethan-1-amine (CAS 1213497-64-3)
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- (R)-1-(3-chloro-4-(trifluoromethoxy)phenyl)-2,2,2-trifluoroethan-1-amine (CAS 1213358-30-5)
- 1823188-43-7 2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-5-fluoro-3,4-dihydropyrimidin-4-one GS-1063 (CAS 1823188-43-7)
- 3-(3-(2,2-Difluoroethoxy)-4-nitro-1H-pyrazol-1-yl)propan-1-amine (CAS 1855945-09-3)
- 6,8-Dibromo-3,4-dihydroquinolin-2(1H)-one (CAS 3555-41-7)
- 2-(4-(Benzyloxy)-3-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1000796-87-1)
- 2-(2-Iminopyridin-1(2H)-yl)acetic acid (CAS 126202-06-0)
- a-L-Idopyranose Pentaacetate (CAS 2152-77-4)
- 1'-(tert-Butoxycarbonyl)-5,6-dihydro-4H-spiro[benzo[b]thiophene-7,4'-piperidine]-2-carboxylic acid (CAS 1624261-80-8)
- Ethyl 1-(3-chlorophenyl)-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate (CAS 64919-92-2)
- 5-Fluoro-2-(3-fluoro-5-(trifluoromethyl)pyridin-2-yl)-4-methyl-6-(methylsulfonyl)pyrimidine (CAS 1823182-68-8)
- 4-(Chloromethyl)-2-(3,5-dimethylphenyl)thiazole (CAS 1247561-17-6)
- Semaglutide (CAS 910463-68-2（free base）)
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 18665070610 / Nicole.chen@cato-chem.com