| CAS No. | 291780-07-9 |
| Molecular Formula | C5H10O4S |
| Molecular Weight | 166.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
(R)-4-Isopropyl-1,3,2-dioxathiolane 2,2-dioxide (CAS 291780-07-9), molecular formula C5H10O4S and molecular weight 166.20 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carbohydrate-derived structure, a sulfone group, (R)-4-Isopropyl-1,3,2-dioxathiolane 2,2-dioxide is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 166.20 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (R)-4-Isopropyl-1,3,2-dioxathiolane 2,2-dioxide 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 | C5H10O4S |
| Molecular Weight | 166.20 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.) | 2025 |
| Sulfur Atoms | 1 |