| CAS No. | 13889-93-5 |
| Molecular Formula | C4H7ClOS |
| Molecular Weight | 138.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 138.62 g/mol gives S-Isopropyl chlorothioformate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
S-Isopropyl chlorothioformate (CAS 13889-93-5), molecular formula C4H7ClOS and molecular weight 138.62 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C4H7ClOS, S-Isopropyl chlorothioformate contains sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 138.62 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures S-Isopropyl chlorothioformate 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 | C4H7ClOS |
| Molecular Weight | 138.62 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| 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.) | 1960 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |