| CAS No. | 61791-91-1 |
| Molecular Formula | C19H37O5S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 400.55 g/mol gives Octadecanoic acid, 10-sulfo-, 1-methyl ester, sodium salt distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Octadecanoic acid, 10-sulfo-, 1-methyl ester, sodium salt (CAS 61791-91-1) is a high-purity analytical reference standard with the molecular formula C19H37O5SNa and a molecular weight of 400.55 g/mol.
Based on its molecular formula C19H37O5SNa, Octadecanoic acid, 10-sulfo-, 1-methyl ester, sodium salt contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 400.55 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
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), Octadecanoic acid, 10-sulfo-, 1-methyl ester, sodium salt 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 | C19H37O5S Na |
| Molecular Weight | 400.55 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| 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.) | 1974 |
| Sulfur Atoms | 1 |