Founded in 1996 and headquartered in Rancho Cucamonga, California, Amphastar Pharmaceuticals, Inc. is a specialty pharmaceutical company dedicated to developing, manufacturing, and marketing injectable, intranasal, and inhalation products. The company's core mission is to enhance patient care through innovative drug delivery systems and complex medications, including biologics and interchangeable biosimilars. Amphastar operates state-of-the-art, cGMP compliant facilities to ensure high-quality production standards.

Notable affiliated individuals include the company's leadership team, which comprises experienced professionals in the pharmaceutical industry. Amphastar has achieved significant milestones, such as successfully bringing multiple complex medications to market and maintaining a robust product pipeline. The company's impact is evident in its contribution to the healthcare industry, providing essential medications that improve patient outcomes and addressing unmet medical needs.