5-bromo-1-pentene CAS 1119-51-3
| CAS No. | 1119-51-3 |
| Molecular Formula | C5H9Br |
| Molecular Weight | 149.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-bromo-1-pentene (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.
CATO supplies 5-bromo-1-pentene (CAS 1119-51-3), a certified reference material (molecular formula C5H9Br, MW 149.03 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
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
- 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)
- 2-Bromo-3-methyl-2-butene 2-bromo-3-methylbut-2-ene 3017-70-7 (CAS 3017-70-7)
- 1-Bromo-2-pentene, predominantly trans 7348-71-2 (CAS 7348-71-2)
Recommended Standards
- 7WRW5VDZ79 3518-65-8 (Chloromethyl)sulfonyl chloride Chloromethanesulphonyl chloride Methanesulfonyl chloride, chloro- 4-01-00-03053 (Beilstein Handbook Reference) BRN 1811761 Chlorid kyseliny chlormethansulfonove [Czech] Chlormethansulfochlorid [Czech] Chlormethansulfonylchlorid [Czech] Chloromethanesulfonyl chloride EINECS 222-526-1 Chlorid kyseliny chlormethansulfonove Chlormethansulfochlorid Chlormethansulfonylchlorid UNII-7WRW5VDZ79 (CAS 3518-65-8)
- (1R,2R)-1-(bromomethyl)-2-methyl-cyclopropane (CAS 1644345-87-8)
- 4-bromobut-3-yn-1-ol (CAS 4544-38-1)
- (bromomethyl)cyclobutane (CAS 17247-58-4)
- Carboxymethyl benzyl sulfide (CAS 103-46-8)
- 2-(2,4-Dichlorophenoxy)-N-(2-hydroxypropyl)propanamide (CAS 1090015-86-3)
- 1-((2,5-Dimethylphenyl)thio)propan-2-one (CAS 1011-55-8)
- 7-methylnaphthalene-2-carbaldehyde (CAS 52988-18-8)
- 3,4-Dichloro-2-nitro-benzenamine (CAS 958804-40-5)
- 1-(Pyrimidin-2-yl)-1H-pyrazol-5-amine (CAS 41625-44-9)
- Bupropion Impurity 49 (CAS 535-80-8)
- methyl 2-(5-bromo-2-ethoxy-4-formylphenoxy)acetate (CAS 827593-38-4)
- (R)-n-((R)-1-(2-Chlorophenyl)ethyl)-2-methylpropane-2-sulfinamide (CAS 1588938-65-1)
- Semaglutide impurity 30 (CAS CATO-C4X-222630)
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