Pharmaffiliates recognize that drug safety begins with understanding what lies beyond the active ingredient. The identification, isolation, and characterization of impurities play a vital role in evaluating the biological safety of every pharmaceutical product.

Driven by this responsibility, Pharmaffiliates offers one of the largest collections of impurity reference standards, featuring over 10,000 in-stock impurities and a catalog of 300,000+ compounds to support pharmaceutical research and manufacturing.

Our team of experienced scientists specializes in synthesizing impurities and metabolites of APIs and FPPs, covering a wide range of therapeutic categories, including antibiotics, steroids, chiral and achiral molecules, and deuterated compounds.

Pharmaffiliates delivers trusted expertise and reliable reference materials to support your impurity profiling needs, whether for regulatory submission, method development, or routine quality control.