CAS Registry Number

CAS 2949-92-0 — Methyl methanethiolsulfonate

Methyl methanethiolsulfonate (MMTS, CAS 2949-92-0) is a sulfur-containing organic compound used primarily as a reagent in biochemical research, particularly for protein alkylation and disulfide bond reduction. It appears as a white to off-white solid with a strong odor, and is soluble in polar organic solvents. The molecular formula is CH3SO2SCH3, with a molecular weight of 126.20 g/mol. It must be stored between 2 to 8°C and handled with caution, as it carries a **Danger** signal word. Molekula supplies Methyl methanethiolsulfonate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.