2-Bromo-3-methyl-2-butene 2-bromo-3-methylbut-2-ene 3017-70-7 CAS 3017-70-7
| CAS No. | 3017-70-7 |
| Molecular Formula | C5H9Br |
| Molecular Weight | 149.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-Bromo-3-methyl-2-butene 2-bromo-3-methylbut-2-ene 3017-70-7 (CAS 3017-70-7), a certified reference material (molecular formula C5H9Br, MW 149.03 g/mol) for analytical method development and quality control.
Structurally, 2-Bromo-3-methyl-2-butene 2-bromo-3-methylbut-2-ene 3017-70-7 (C5H9Br) contains bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 149.03 g/mol, it falls into the low-molecular-weight range. 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.
As a certified reference material (CRM), 2-Bromo-3-methyl-2-butene 2-bromo-3-methylbut-2-ene 3017-70-7 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C5H9Br |
| Molecular Weight | 149.03 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.) | 1957 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 5-bromo-1-pentene (CAS 1119-51-3)
- 1-Bromo-1-ethylcyclopropane (CAS 80204-21-3)
- 1-Bromo-1-methylcyclobutane (CAS 80204-24-6)
- 2-bromo-1,1-dimethylcyclopropane (CAS 3815-09-6)
- 2-Bromo-3-methylbut-1-ene (CAS 31844-96-9)
- 4-Bromo-2-methylbut-1-ene (CAS 20038-12-4)
- 4-Bromo-3-methylbut-1-ene (CAS 31950-55-7)
- 1-Bromo-2-pentene, predominantly trans 7348-71-2 (CAS 7348-71-2)
Recommended Standards
- trans-1-(bromomethyl)-2-methyl-cyclopropane (CAS 51598-33-5)
- cis-1-(bromomethyl)-2-methyl-cyclopropane (CAS 51598-64-2)
- 1-Bromo-3-methyl-2-butene (CAS 870-63-3)
- 5-Bromopent-2-ene (CAS 51952-42-2)
- (R)-N1-(1-Benzylpiperidin-3-yl)-N1-methylethane-1,2-diamine (CAS 1354007-98-9)
- 7-Bromo-[1,2,4]triazolo[1,5-a]pyridine-2-sulfonyl chloride (CAS 1315365-75-3)
- N-Ethyl-2-nitro-4-trifluoromethylaniline (CAS 30377-62-9)
- 3-(tert-Butoxy)-5-cyclopropoxyisonicotinamide (CAS 1243285-52-0)
- (S)-1-(4-Bromophenyl)ethane-1,2-diol (CAS 160332-70-7)
- Crimidine (CAS 535-89-7)
- 3-Fluoro-N1,N1-dimethylbenzene-1,4-diamine (CAS 334905-81-6)
- 4-(2-Methoxy-acetyl)-morpholine-3-carboxylic acid (CAS 1316219-80-3)
- Methyl 4-[3,5-bis(trifluoromethyl)phenyl]benzoate (CAS 198205-83-3)
- Semaglutide impurity 40 (CAS CATO-C4X-222640)
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