Amphastar Pharmaceuticals, Inc. is a specialty pharmaceutical company. It focuses primarily on developing, manufacturing, marketing, and selling generic and proprietary injectable and inhalation products. The company products include Enoxaparin Sodium Injection; Amphadase; Cortrosyn for Injection; and prefilled disposable emergency syringes for crash cart use. Amphastar Pharmaceuticals, Inc. is headquartered in Rancho Cucamonga, California.