66178-40-3 Methane(~2~H)sulfonic acid DTXSID00745808 CAS 66178-40-3
| CAS No. | 66178-40-3 |
| Molecular Formula | - |
| Molecular Weight | 97.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
66178-40-3 Methane(~2~H)sulfonic acid DTXSID00745808 (CAS 66178-40-3), molecular formula CH3DO3S and molecular weight 97.11 g/mol, is a CATO reference standard with documented purity and traceability.
66178-40-3 Methane(~2~H)sulfonic acid DTXSID00745808 (CH3DO3S) contains deuterium isotope labeling, a sulfone group. It is notably hygroscopic; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | CH3DO3S |
| Molecular Weight | 97.11 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) | 0.5 |
| CAS Registry Year (est.) | 1975 |
| Sulfur Atoms | 1 |
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- Fmoc-N-methyl-l-2-aminobutyric acid (CAS 1310575-53-1)
- 4-Bromo-1H-indol-5-ol (CAS 288387-15-5)
- Semaglutide Impurity 190 (CAS CATO-C4X-2226190)
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