| CAS No. | 2155-81-9 |
| Molecular Formula | 3*C8H15O2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 264.97 g/mol gives Hexanoic acid, 2-ethyl-, antimony(3+) salt (3:1) distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Hexanoic acid, 2-ethyl-, antimony(3+) salt (3:1) (CAS 2155-81-9), molecular formula C8H15O2Sb and molecular weight 264.97 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, Hexanoic acid, 2-ethyl-, antimony(3+) salt (3:1) is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 264.97 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
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.
As a certified reference material (CRM), Hexanoic acid, 2-ethyl-, antimony(3+) salt (3:1) 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.
| Molecular Formula | 3*C8H15O2 Sb |
| Molecular Weight | 264.97 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 1.5 |
| CAS Registry Year (est.) | 1957 |