Amphastar Pharmaceuticals

Amphastar Pharmaceuticals, Inc., headquartered in Rancho Cucamonga, California, established in 1996, is a recognized biopharmaceutical company that uses state-of-the-art, cGMP compliant facilities to develop, manufacture, and market injectable, intranasal and inhalation products.

In addition to the Corporate Headquarters, Amphastar has five manufacturing facilities located in the United States, China and Europe along with a state-of-the-art New Drug Research Center.

We currently produce over 20 commercial products while we continue to develop a portfolio of generic and branded products that target large markets with high technical barriers to entry. Amphastar’s long-standing relationship with the major group purchasing organizations, retailers and drug wholesalers in the U.S. enables it to establish significant market share upon the introduction of its new products.