| CAS No. | 77-78-1 |
| Molecular Formula | C2H6O4S |
| Molecular Weight | 126.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 126.13 g/mol gives Dimethyl Sulfate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Dimethyl Sulfate (CAS 77-78-1), molecular formula C2H6O4S and molecular weight 126.13 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a sulfone group, a carboxylic acid group, an ether linkage, Dimethyl Sulfate is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 126.13 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
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 Dimethyl Sulfate 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 | C2H6O4S |
| Molecular Weight | 126.13 g/mol |
| Purity | >95.0% |
| 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) | 0.0 |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 1 |