2-Bromo-2-ethylbutanoic acid CAS 5456-23-5
| CAS No. | 5456-23-5 |
| Molecular Formula | C6H11BrO2 |
| Molecular Weight | 195.05 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.
2-Bromo-2-ethylbutanoic acid (CAS 5456-23-5), molecular formula C6H11BrO2 and molecular weight 195.05 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Bromo-2-ethylbutanoic acid (C6H11BrO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, 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 195.05 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 2-Bromo-2-ethylbutanoic acid 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 | 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.) | 1958 |
| Halogen Content | Br-containing |
Related Bromo 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
- 2-bromo-1,1-dimethoxycyclobutane (CAS 20121-72-6)
- 2-Bromo-3-methylpentanoic acid (CAS 42880-22-8)
- 2,2-Dichloro-1-(5-methyl-4,5-dihydro-1H-pyrazol-1-yl)ethanone (CAS 96632-27-8)
- 2-Bromo-4-methylpentanoic acid (CAS 42990-24-9)
- N-cyclopropyl-4-methylpiperidine-1-carbothioamide (CAS 774196-32-6)
- 1-Bromo-7-(trimethylammonium)heptyl Bromide (CAS 1159174-36-3)
- 1-(2-Chloropyridin-3-yl)thiourea (CAS 860620-72-0)
- (3-Aminopiperidin-1-yl)(2-chlorophenyl)methanone hydrochloride (CAS 1826758-61-5)
- 7-Amino-6-bromo-1,8-naphthyridine-3-carbonitrile (CAS 2691878-61-0)
- N-(4-methyl-1,3-thiazol-2-yl)piperidine-3-carboxamide (CAS 1016518-92-5)
- 4-((4-Amino-3,5-dimethyl-1H-pyrazol-1-yl)methyl)benzonitrile (CAS 1152951-06-8)
- N-(Methylcarbamoyl)-2-phenylbutanamide (CAS 22462-18-6)
- 2-(2-Carboxycyclopropane-1-carboxamido)-3-methylbenzoic acid (CAS 1022401-28-0)
- Palmitoyl Pentapeptide-4 (CAS 214047-00-4)
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