3-MERCAPTO-2-BUTANONE PRODUCT NAME 3-MERCAPTO-2-BUTANONE SYNONYM 3-MERCAPTO-2-BUTAN-ONE; 3-SULFANYLBUTAN-2-ONE CODE 3186 CAS Nº 40789-98-8 FEMA Nº 3298 EINECS 255-082-2 FORMULA C4 H8 O S MOLECULAR WEIGHT 104,17