(2S)-2-Fluoro-4-methylpentanoic acid CAS 126957-44-6
| CAS No. | 126957-44-6 |
| Molecular Formula | C6H11FO2 |
| Molecular Weight | 134.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 134.15 g/mol gives (2S)-2-Fluoro-4-methylpentanoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(2S)-2-Fluoro-4-methylpentanoic acid (CAS 126957-44-6) is a high-purity analytical reference standard with the molecular formula C6H11FO2 and a molecular weight of 134.15 g/mol.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, (2S)-2-Fluoro-4-methylpentanoic acid is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 134.15 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
CATO manufactures (2S)-2-Fluoro-4-methylpentanoic 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 | C6H11FO2 |
| Molecular Weight | 134.15 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.) | 1993 |
| Halogen Content | F-containing |
Related S Standards
- Methyl 3-fluoro-2,2-dimethylpropanoate (CAS 1068560-15-5)
- (R)-2-Fluoro-4-methylpentanoic acid (CAS 146746-27-2)
- 5-fluoro-2-methoxypyrimidine (CAS 17148-49-1)
- [3-fluoro-1-(hydroxymethyl)cyclobutyl]methanol (CAS 2231673-56-4)
- 1-Fluoro-4-(prop-2-yn-1-yl)benzene (CAS 70090-68-5)
- 2-Fluoro-3-methylpentanoic acid (CAS 6087-16-7)
- 5-Fluoro-1H-indene (CAS 52031-15-9)
- 6-Fluoro-1H-indene (CAS 52163-88-9)
Recommended Standards
- 2-Ethynyl-4-fluoro-1-methylbenzene (CAS 1233512-88-3)
- 2-Ethynyl-1-fluoro-3-methylbenzene (CAS 1279106-21-6)
- Dimethyl sulfate-<SUP>13</SUP>C<SUB>2</SUB>,d<SUB>6</SUB> (CAS 1216599-58-4)
- 1-Ethynyl-4-fluoro-2-methylbenzene (CAS 1339707-20-8)
- tert-Butyl 2-(((2-chloro-6-methylpyrimidin-4-yl)amino)methyl)piperidine-1-carboxylate (CAS 1261232-50-1)
- (2-Chloroethyl)sulfamoyl Chloride (CAS 53627-11-5)
- Ethyl 3-((4-nitrophenoxy)methyl)-1H-1,2,4-triazole-5-carboxylate (CAS 1416345-66-8)
- 3-(3,4-Dimethylphenoxy)aniline (CAS 300668-53-5)
- 4-Methyl-5-(3-(pyridin-3-yl)-6-(trifluoromethyl)thieno[3,2-b]pyridin-2-yl)-2,4-dihydro-3H-1,2,4-triazole-3-thione (CAS 551921-19-8)
- 2-(4-Ethylphenyl)imidazo[1,2-a]pyrimidine-3-carbaldehyde (CAS 887360-52-3)
- 5-Fluoro-2-nitrophenyl acetate (CAS 655235-44-2)
- 6-Amino-5-bromo-1-methylpyrimidine-2,4(1H,3H)-dione hydrate (CAS 1052403-74-3)
- (3-(Ethyl(phenyl)carbamoyl)-2-fluorophenyl)boronic acid (CAS 2096336-29-5)
- 141801-03-8 IL-1 Receptor Peptide (human) (CAS 141801-03-8)
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