Methyl 4-bromo-3-methylbutanoate CAS 59147-45-4
| CAS No. | 59147-45-4 |
| Molecular Formula | C6H11BrO2 |
| Molecular Weight | 195.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 195.05 g/mol gives Methyl 4-bromo-3-methylbutanoate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Methyl 4-bromo-3-methylbutanoate (CAS 59147-45-4), molecular formula C6H11BrO2 and molecular weight 195.05 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Methyl 4-bromo-3-methylbutanoate (C6H11BrO2) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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), Methyl 4-bromo-3-methylbutanoate 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 | C6H11BrO2 |
| Molecular Weight | 195.05 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Br-containing |
Related Methyl Standards
- 5-bromo-2-methylpentanoic acid (CAS 101257-26-5)
- 2-Bromo-2-methylpentanoic acid (CAS 101258-64-4)
- methyl 3-bromo-3-methylbutanoate (CAS 1309885-34-4)
- (2S)-2-Bromo-3-methylpentanoic acid (CAS 1432257-43-6)
- 3-Bromo-1,1-dimethoxycyclobutane (CAS 1955515-88-4)
- (R)-2-Bromo-4-methylpentanoic acid (CAS 42990-28-3)
- (S)-(-)-2-Bromo-3-methylbutyric acid (CAS 32653-37-5)
- (S)-2-Bromo-4-methylpentanoic acid (CAS 28659-87-2)
Recommended Standards
- Methyl 4-bromo-2-methylbutanoate (CAS 58029-83-7)
- Methyl 4-bromopentanoate (CAS 75411-76-6)
- Methyl 3-bromo-2,2-dimethylpropanoate (CAS 30452-00-7)
- sec-Butyl 2-bromoacetate (CAS 5205-36-7)
- 1-((4-Bromobenzyl)oxy)-6-nitro-2-phenyl-1H-benzo[d]imidazole (CAS 303148-89-2)
- N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-[(3-methylphenyl)sulfanyl]acetamide (CAS 328287-32-7)
- Ethyl 2-amino-4-(1-cyano-2-ethoxy-2-oxoethyl)-4H-chromene-3-carboxylate (CAS 65673-61-2)
- 2-Amino-4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine (CAS 149978-63-2)
- 5-Chloro-1-methylpyrazole-4-carbonyl chloride (CAS 110763-09-2)
- N-Hexylhydrazinecarboxamide (CAS 79353-76-7)
- 7-(Methylthio)-3-nitro-[1,2,4]triazolo[5,1-c][1,2,4]triazin-4(6H)-one (CAS 123606-06-4)
- 3-(Difluoromethyl)-6-fluoro-5-nitropyridin-2-amine (CAS 1806830-88-5)
- (s)-2-Fluoro-6-(1-hydroxyethyl)phenol (CAS 1932309-57-3)
- Semaglutide Impurity 138 (CAS CATO-C4X-2226138)
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