Excellent Chemical Intermediates CAS NO 42518-98-9 |5-Chlorothiophene-2-carbonyl chloride From China Manufacturer

Uses:1. 5-Chlorothiophene-2-carbonyl chloride used as a intermediate for rivaroxaban.

Raw materials:Hydrochloric acid–>Diethyl ether–>Sodium–>Thionyl chloride–>2,5-Dichlorothiophene–>CHLORODIFLUOROACETYL CHLORIDE–>TRIBROMOACETYL CHLORIDE–>5-Chlorothiophene-2-carboxylic acid–>2-ACETYL-5-CHLOROTHIOPHENE–>2-Chlorothiophene–>Sulfolane–>Trichloroacetyl chloride