2-Bromo-2-butene, cis and trans mixture CAS 13294-71-8
| CAS No. | 13294-71-8 |
| Molecular Formula | C4H7Br |
| Molecular Weight | 135.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 2-Bromo-2-butene, cis and trans mixture 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.
CATO supplies 2-Bromo-2-butene, cis and trans mixture (CAS 13294-71-8), a certified reference material (molecular formula C4H7Br, MW 135.00 g/mol) for analytical method development and quality control.
Based on its molecular formula C4H7Br, 2-Bromo-2-butene, cis and trans mixture contains bromine substitution; these features give the compound characteristic molecular-ion distribution patterns in mass spectrometry. The molecular weight of 135.00 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.
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 | C4H7Br |
| Molecular Weight | 135.00 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1960 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 3-Bromo-2-methylpropene (CAS 1458-98-6)
- 1-Bromo-1-methylcyclopropane (CAS 50915-27-0)
- 1-Bromo-2-Buten (CAS 29576-14-5)
- 1-Bromo-2-methylcyclopropane (CAS 52914-88-2)
- 2-Bromo-1-butene (CAS 23074-36-4)
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- 2-Bromo-4-fluoro-6-methylbenzamide (CAS 1262396-02-0)
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Recommended Standards
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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