| CAS No. | 16495-21-9 |
| Molecular Formula | C3H8O2S |
| Molecular Weight | 108.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Based on its molecular formula C3H8O2S, (2R)-3-Mercapto-1,2-Propanediol 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 108.16 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
(2R)-3-Mercapto-1,2-Propanediol (CAS 16495-21-9) is a high-purity analytical reference standard with the molecular formula C3H8O2S and a molecular weight of 108.16 g/mol.
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.
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.
| Molecular Formula | C3H8O2S |
| Molecular Weight | 108.16 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) | 0.0 |
| CAS Registry Year (est.) | 1961 |
| Sulfur Atoms | 1 |