Sodium Methyl Cocoyl Taurate (SMCT) Ethanesulfonic acid, 2-(methylamino)-, N-coco acyl derivs., sodium salts CAS No.: 61791-42-2 EC No.: 263-174-9 Molecular formula: RCON(CH3)CH2CH2SO3Na (R: CnH2n-1) Active: (30±2)%