| CAS No. | 2181-44-4 |
| Molecular Formula | CH3O4S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Trimethylsulfonium methyl sulfate (CAS 2181-44-4), molecular formula CH3O4SC3H9S and molecular weight 188.26 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Trimethylsulfonium methyl sulfate (CH3O4SC3H9S) contains a carbohydrate-derived structure, a sulfone group. The molecule exhibits a degree of unsaturation (DBE) of -1.0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 188.26 g/mol, it falls into the medium-molecular-weight range.
As a certified reference material (CRM), Trimethylsulfonium methyl sulfate 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 | CH3O4S C3H9S |
| Molecular Weight | 188.26 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.) | 1957 |
| Sulfur Atoms | 2 |