(E)-(1-(3-bromo-2,4,6-trimethylphenyl)ethene-1,2-diyl)dibenzene CAS 1116339-35-5
| CAS No. | 1116339-35-5 |
| Molecular Formula | C23H21Br |
| Molecular Weight | 377.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C23H21Br, (E)-(1-(3-bromo-2,4,6-trimethylphenyl)ethene-1,2-diyl)dibenzene contains bromine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 377.32 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
(E)-(1-(3-bromo-2,4,6-trimethylphenyl)ethene-1,2-diyl)dibenzene (CAS 1116339-35-5), molecular formula C23H21Br and molecular weight 377.32 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures (E)-(1-(3-bromo-2,4,6-trimethylphenyl)ethene-1,2-diyl)dibenzene 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 | C23H21Br |
| Molecular Weight | 377.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Br-containing |
Related E Standards
- 5-Bromo-N,N-diethyl-4-(piperazin-1-yl)pyridine-3-sulfonamide (CAS 1352497-72-3)
- 2-(4-((4-Bromo-2,6-dimethylphenyl)sulfonyl)piperazin-1-yl)ethanol (CAS 1704096-09-2)
- 2-Bromo-N-{4-[(dipropylamino)sulfonyl]-phenyl}acetamide (CAS 22795-42-2)
- trans-4-[[(6-bromo-1,3-benzothiazol-2-yl)amino]methyl]cyclohexanecarboxylic acid (CAS 2664977-37-9)
- (2S)-5-bromo-6-fluoro-2-(2-hydroxypropan-2-yl)-2,3,4,9-tetrahydro-1H-carbazole-8-carboxamide (CAS 1643156-23-3)
- Methyl 3-bromo-5-((2,2-diethoxyethyl)thio)-2-methylbenzoate (CAS 2211058-69-2)
- 3-Bromo-2-chloro-4-iodo-6-nitroaniline (CAS 2836226-49-2)
- 4-Bromo-N-((1,1-dioxidotetrahydrothiophen-3-yl)carbamothioyl)benzamide (CAS 620590-30-9)
Recommended Standards
- Phenkapton (CAS 2275-14-1)
- 3-(4-(2-(4-Bromopyridin-2-yl)propan-2-yl)phenoxy)-N,N-dimethylpropan-1-amine (CAS 1163707-61-6)
- Regadenoson Impurity 23 (CAS CATO-C4X-198523)
- Quinoxalin-2-yl(3-(5-(trifluoromethyl)-1,3,4-oxadiazol-2-yl)piperidin-1-yl)methanone (CAS 1396861-18-9)
- 6-Chloro-3-methylindolin-2-one (CAS 1353717-75-5)
- 4-Methyl-5-(trifluoromethyl)-7H-pyrrolo[2,3-b]pyridine (CAS 1261365-79-0)
- Tetraundecyl benzhydrol-3,3′,4,4′-tetracarboxylate (CAS 106327-92-8)
- (R)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-(2-bromophenyl)butanoic acid (CAS 788149-96-2)
- 1-(2-Ethoxyacetyl)piperidine-4-carboxylic acid (CAS 1042796-13-3)
- N-(2,4-Dimethoxybenzyl)pyrazine-2-carboxamide (CAS 606132-14-3)
- AZD3759-25 (CAS 184475-78-3)
- 3-(2-Hydroxyethyl)-3,4-dihydropyrimidin-4-one (CAS 1406628-64-5)
- (2-Chlorothiazol-5-yl)methyl p-tolylcarbamate (CAS 672949-74-5)
- Sperm Peptide P10G (H-2424.0001) (CAS 137353-73-2)
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