can't read?
2-Acetyl-5-methylthiophene is a volatile organic compound formed during the reaction between L-cysteine and dihydroxyacetone in glycerine or triglyceride solvent system. It can be prepared by reacting 2-methylthiophene with acetic anhydride
A 2110 (OTTO) 2-Acetyl-5-methylthiophene, 98% Cas 13679-74-8 - used in the preparation of 2-ethyl-5-methylthiophene.