3-Hydroxy-4-methylhexanoic acid CAS 59866-91-0
| CAS No. | 59866-91-0 |
| Molecular Formula | C7H14O3 |
| Molecular Weight | 146.18 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.
3-Hydroxy-4-methylhexanoic acid (CAS 59866-91-0) is a high-purity analytical reference standard with the molecular formula C7H14O3 and a molecular weight of 146.18 g/mol.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, 3-Hydroxy-4-methylhexanoic acid is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 146.18 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
As a certified reference material (CRM), 3-Hydroxy-4-methylhexanoic acid 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 | C7H14O3 |
| Molecular Weight | 146.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1974 |
Related Hydroxy Standards
- 2-Hydroxy-5-methoxyhexan-3-one (CAS 101080-34-6)
- Methyl 4-hydroxy-2,2-dimethylbutanoate (CAS 1087347-28-1)
- 2-Ethyl-3-hydroxy-3-methylbutanoic acid (CAS 109106-81-2)
- 4-Hydroxy-5-methylhexanoic acid (CAS 111581-83-0)
- (R)-2-hydroxy-4,4-dimethylpentanoic acid (CAS 114990-91-9)
- Methyl 2-hydroxy-3,3-dimethylbutanoate (CAS 121129-31-5)
- Ethyl 3-hydroxy-2,2-dimethylpropanoate (CAS 14002-73-4)
- 3-Hydroxy-2-isopropylbutanoic acid (CAS 176712-60-0)
Recommended Standards
- 3-Hydroxy-4,4-dimethylpentanoic acid (CAS 88790-07-2)
- 3-Hydroxy-5-methylhexanoic acid (CAS 40309-49-7)
- 3-Hydroxy-3-methylhexanoic acid (CAS 58888-76-9)
- 3-isobutoxypropanoic acid (CAS 41255-87-2)
- Ethyl (2Z)-3-{1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-1H-indol-3-yl}prop-2-enoate (CAS 338410-03-0)
- Benzyl 4-((2-ethoxy-2-oxoethyl)carbamoyl)piperidine-1-carboxylate (CAS 147635-30-1)
- Phenyl-d5 Isothiocyanate (CAS 74881-77-9)
- (R)-Methyl 3-amino-2,2-dimethyl-3-(3-nitrophenyl)butanoate hydrochloride (CAS 1363408-38-1)
- 5-(2-(Trifluoromethoxy)phenyl)thiophene-2-carbaldehyde (CAS 675596-29-9)
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- 5-(chloromethyl)-1-{[2-(trimethylsilyl)ethoxy]methyl}-1H-pyrazole (CAS 913346-47-1)
- (±)5,6-EET Methyl Ester (CAS 122799-12-6)
- (2S,3S)-3-((tert-Butoxycarbonyl)amino)-3-(3,4-dimethoxyphenyl)-2-hydroxypropanoic acid 6645AC 959578-01-9 C16H23NO7 (CAS 959578-01-9)
- Semaglutide impurity 100 (CAS CATO-C4X-2226100)
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