We manufacture, market, and ship the largest variety of grades of Dimethyl Sulfoxide (DMSO) available. Since the discovery of DMSO in 1867, a multitude of uses have developed for this versatile dipolar aprotic solvent. Pharmasolvent Grade DMSO is used in Active Pharmaceutical Ingredients (API) synthesis, while DMSO USP, Ph. Eur. is employed in Drug Delivery and Healthcare applications. Enviro-S? DMSO is used in catalyst sulfiding, while “low metals” grades of DMSO (EL10 DMSO and EL50 DMSO) are used in the electronics industry. DMSO has unique properties allowing higher loading than conventional solvents, such as DMF or