1-Bromo-2-methyl-4-vinylbenzene CAS 90560-53-5
| CAS No. | 90560-53-5 |
| Molecular Formula | C9H9Br |
| Molecular Weight | 197.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
1-Bromo-2-methyl-4-vinylbenzene (CAS 90560-53-5), molecular formula C9H9Br and molecular weight 197.07 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H9Br, 1-Bromo-2-methyl-4-vinylbenzene contains bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 197.07 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 1-Bromo-2-methyl-4-vinylbenzene 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 | C9H9Br |
| Molecular Weight | 197.07 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 1-Bromo-4-cyclopropylbenzene (CAS 1124-14-7)
- 4-Bromo-2-(methoxy-d3)thiazole (CAS 1185311-79-8)
- 2-Bromo-2,3-dihydro-1H-indene (CAS 17623-96-0)
- 1-Bromo-3-cyclopropylbenzene (CAS 1798-85-2)
- 1-Bromo-3-methyl-5-vinylbenzene (CAS 189324-29-6)
- (E)-(3-Bromo-1-propenyl)benzene (CAS 26146-77-0)
- 1-Bromo-2-(prop-1-en-2-yl)benzene (CAS 7073-70-3)
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Recommended Standards
- 1-Bromo-2-cyclopropylbenzene (CAS 57807-28-0)
- 1-bromo-2-phenyl-propene (CAS 3360-53-0)
- 1-Bromo-3-(1-propen-2-yl)benzene (CAS 25108-58-1)
- 1-Bromo-4-(1-propen-2-yl)benzene (CAS 6888-79-5)
- (2R,5S)-rel-1-Ethyl-2,5-dimethylpiperazine (CAS 1072102-65-8)
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- Tiagabine D5. HCl (CAS 109857-73-0)
- 1,3-Diphenyl-4-(2-phenylacetyl)-1H-pyrazol-5(4H)-one (CAS 191846-88-5)
- 2-(4-Chlorobenzyl)pent-4-enoic acid (CAS 91393-56-5)
- 4-Bromo-3-methylpyridazine (hydrobromide) (CAS 2751611-27-3)
- 2-(5-Bromo-2-ethoxy-4-formylphenoxy)-N-(p-tolyl)acetamide (CAS 834914-05-5)
- 4-Chloro-5-(2-methoxyethoxy)-1-methyl-1H-pyrazole-3-carboxylic acid (CAS 1710661-10-1)
- Acetyl Tripeptide-1 (CAS 350595-76-5)
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