(E)-1,2-Bis(4-bromophenyl)ethene CAS 18869-30-2
| CAS No. | 18869-30-2 |
| Molecular Formula | C14H10Br2 |
| Molecular Weight | 338.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (E)-1,2-Bis(4-bromophenyl)ethene is closely related to bromine substitution, a polycyclic aromatic system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies (E)-1,2-Bis(4-bromophenyl)ethene (CAS 18869-30-2), a certified reference material (molecular formula C14H10Br2, MW 338.04 g/mol) for analytical method development and quality control.
Structurally, (E)-1,2-Bis(4-bromophenyl)ethene (C14H10Br2) contains bromine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 338.04 g/mol, it falls into the moderately-high-molecular-weight range. 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.
CATO manufactures (E)-1,2-Bis(4-bromophenyl)ethene 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.
Physical & Chemical Properties
| Molecular Formula | C14H10Br2 |
| Molecular Weight | 338.04 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Br-containing |
Recommended Standards
- (3,5-Dibromo-4-butoxyphenyl)methanol (CAS 1697692-87-7)
- (2,2-Dibromoethene-1,1-diyl)dibenzene (CAS 2592-73-6)
- 1-Bromo-2-(2-bromo-1-(2-methoxyethoxy)ethyl)benzene (CAS 1250487-03-6)
- (E)-1,2-Bis(3-bromophenyl)ethene (CAS 23958-26-1)
- 6-Bromo-5-(trifluoromethyl)-2,3-dihydro-1H-inden-1-one (CAS 2411641-16-0)
- 6-(N-Methyl-3,4-xylidino)uracil (CAS 36995-89-8)
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- 4-Chloro-6-methyl-5-nitro-2-(trifluoromethyl)quinoline (CAS 175203-61-9)
- Fmoc-D-Orn(Aloc)-OH (CAS 214750-74-0)
- Tert-butyl 2-(((4-fluorophenyl)sulfonamido)methyl)piperidine-1-carboxylate (CAS 1353980-93-4)
- 1-ethenylaziridine (CAS 5628-99-9)
- 6-(4-Chlorobenzoyl)-2-(3-chlorophenyl)-5-(trifluoromethyl)pyridazin-3(2H)-one (CAS 478043-59-3)
- 3-Nitro-1,4-dimethyl-5H-pyrido[4,3-b]indole (CAS 1346604-32-7)
- Semaglutide impurity 109 (CAS CATO-C4X-2226109)
Why CATO?
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