In the business of science and innovation, Allmpus laboratories private limited (based in India) is constantly engaged in design, research, development with efficient synthesis and learning new techniques for isolation and purification.Services include custom synthesis, unknown impurities, isolation, and purification. https://www.allmpus.com/hydrochlorothiazide-ep-impurity-a-hydrochlorothiazide-bp-impurity-a-chlorothiazide