| CAS No. | 5512-65-2 |
| Molecular Formula | C4H8O3S |
| Molecular Weight | 136.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 136.17 g/mol gives 3-[(2-Hydroxyethyl)sulfanyl]acetic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-[(2-Hydroxyethyl)sulfanyl]acetic acid (CAS 5512-65-2), molecular formula C4H8O3S and molecular weight 136.17 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C4H8O3S, 3-[(2-Hydroxyethyl)sulfanyl]acetic acid 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 136.17 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.
CATO manufactures 3-[(2-Hydroxyethyl)sulfanyl]acetic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C4H8O3S |
| Molecular Weight | 136.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1958 |
| Sulfur Atoms | 1 |