2-(Trifluoromethyl)benzenesulfonyl chloride (CAS NO.776-04-5), its Synonyms are Benzenesulfonyl chloride, 2-(trifluoromethyl)- ; o-Trifluoromethylbenzenesulfonyl chloride ; 2-(Trifluoromethyl)benzenesulphonyl chloride 98% ; 2-Trifluoromethylbenzenesulfonyl chloride ; 2-(Trifluoromethyl)benzene-1-sulfonyl chloride .