The chemical Dimethyl sulfoxide has a designated molecular formula of C2H6OS and a molecular weight of 78.129 g/mol. Synonyms may include: A 10846, M 176, AI3-26477, Caswell No. 381, CCRIS 943, Deltan, Demasorb, Demavet, Demeso, Demsodrox, Dermasorb, Dimethyl sulphoxide (ChemID).