Pentitol,1,4-anhydro-2,5-dideoxy-3-thio- (CAS NO.57124-87-5), its Synonyms are 2-Methyl-3-mercaptotetrahydrofuran ; 2-Methyl-3-tetrahydrofuranthiol ; 3-Furanthiol, tetrahydro-2-methyl- ; 2-Methyltetrahydrofuran-3-thiol .