hydrolase activity, acting on ester bonds carboxylic ester hydrolase activity Catalysis of the hydrolysis of a carboxylic ester bond. cocaine esterase activity nonspecific carboxylesterase activity GO:0004302 esterase A carboxylate esterase activity carboxylic ester hydrolase activity serine esterase activity carboxyesterase activity carboxylic acid esterase activity KEGG:R00630 procaine esterase activity UM-BBD_reactionID:r1025 carboxylesterase activity GO:0004091 alpha-carboxylesterase activity esterase B B-esterase activity GO:0004759 Ali-esterase activity EC:3.1.1 carboxylic esterase activity GO:0016789 vitamin A esterase triacetin esterase GO:0052689 ali-esterase activity MetaCyc:CARBOXYLESTERASE-RXN EC:3.1.1.1 molecular_function carboxyl ester hydrolase activity