(1S,2S,5R)-1-Hydroxy-2-isopropyl-5-methylcyclohexane-1-carboxylic acid CAS 2791282-32-9
| CAS No. | 2791282-32-9 |
| Molecular Formula | C11H20O3 |
| Molecular Weight | 200.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (1S,2S,5R)-1-Hydroxy-2-isopropyl-5-methylcyclohexane-1-carboxylic acid is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(1S,2S,5R)-1-Hydroxy-2-isopropyl-5-methylcyclohexane-1-carboxylic acid (CAS 2791282-32-9), molecular formula C11H20O3 and molecular weight 200.27 g/mol, is a CATO reference standard with documented purity and traceability.
(1S,2S,5R)-1-Hydroxy-2-isopropyl-5-methylcyclohexane-1-carboxylic acid (C11H20O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage. It is notably hygroscopic, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 | C11H20O3 |
| Molecular Weight | 200.27 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2003 |
Recommended Standards
- Ethyl 5-methyl-3-oxooctanoate (CAS 195708-15-7)
- (2-((Tetrahydro-2H-pyran-2-yl)oxy)cyclopentyl)methanol (CAS 53229-74-6)
- Ethyl 2-(4-hydroxycyclohexyl)propanoate (CAS 1923836-29-6)
- (2-Fluoro-3-isopropoxyphenyl)(methyl)sulfane (CAS 2404733-85-1)
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