2-Methyl-3-furanthiol (2-methylfuran-3-thiol) is a sulfur-containing heterocyclic compound widely recognized for its potent aroma properties in food chemistry. It contributes significantly to the savory, meaty, and roasted flavor profiles found in cooked meats, coffee, and certain processed foods. The compound occurs naturally as a Maillard reaction product during thermal processing of foods containing cysteine and reducing sugars. It possesses an extremely low odor threshold, making it effective at trace concentrations. Chemically, the thiol group attached to the furan ring confers high reactivity and susceptibility to oxidation. In the flavor industry, it is employed as a key aroma chemical to replicate roasted or savory notes. Its volatility allows rapid release of aroma upon heating, while its solubility profile favors partitioning into lipid phases of food matrices.