2-[3-(Aminosulfonyl)-4-chlorobenzoyl]-benzoic Acid Isopropyl Ester-d7 is the isotope labelled analog of 2-[3-(Aminosulfonyl)-4-chlorobenzoyl]-benzoic Acid Isopropyl Ester (A633005); a potential metabolite of Chlortalidone which is a diuretic drug used to treat hypertension.