2-Methyltetrahydrofuran is an organic compound with the chemical formula C5H10O. It is a colorless transparent liquid, soluble in water, and readily soluble in organic solvents such as ethanol, benzene, and chloroform. It is primarily used as a solvent for resins, natural rubber, and ethyl cellulose, and also serves as a raw material in the pharmaceutical industry, for example, in the synthesis of anti-malarial drugs like primaquine phosphate.