GMP / Compendial Products Chemicals and Chemical Blends Puritan Products, a GMP compliant and FDA registered chemical manufacturer, currently supplies solutions and chemical blends in various batch sizes and concentrations to many Fortune 500 pharmaceutical and biopharmaceutical companies. If you can’t find the solution you are looking for, let our technical resources help you get the product, solution, or blend that you need. Call or go to our website at www.puritanproducts.com/literature.