2-Ethyl-4-methylpentanoic acid CAS 108-81-6
| CAS No. | 108-81-6 |
| Molecular Formula | C8H16O2 |
| Molecular Weight | 144.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-Ethyl-4-methylpentanoic acid (C8H16O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage. 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 144.21 g/mol, it falls into the low-molecular-weight range.
CATO supplies 2-Ethyl-4-methylpentanoic acid (CAS 108-81-6), a certified reference material (molecular formula C8H16O2, MW 144.21 g/mol) for analytical method development and quality control.
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 | C8H16O2 |
| Molecular Weight | 144.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1957 |
Related Ethyl Standards
- 3-Ethyl-2-methylpentanoic Acid (CAS 600716-77-6)
- 3-ethyl-4-methylpentanoic acid (CAS 60308-89-6)
- 2-Acetyl-4-methylpentanoic acid (CAS 5699-53-6)
- 4-Methylpentanoic Acid-d12 (CAS 116287-57-1)
- 286013-24-9 4-Methylpentanoic acid-1-13C 4-Methylvaleric acid-1-13C Isocaproic acid-1-13C (CAS 286013-24-9)
- (3S)-3-methylpentanoic acid (CAS 1730-92-3)
- 2-Benzyl-4-methylpentanoic acid (CAS 85100-44-3)
- 3-Benzyl-4-methylpentanoic acid (CAS 55001-03-1)
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