2432-51-1 BUTANETHIOIC ACID, S-METHYL ESTER Butyric acid, thio-, S-methyl ester EINECS 219-407-1 FEMA No. 3310 Methanethiol butyrate Methanethiol n-butyrate Methyl thiobutyrate Methyl thiobutyrate (natural) Methyl thiolbutyrate S-Methyl butanethioate S-Methyl thiobutyrate