To ensure the safety, efficacy, and a stable supply chain for active pharmaceutical ingredients (APIs), Amphastar Pharmaceuticals Inc. develops and manufactures APIs at its subsidiaries, International Medication Systems, Limited (IMS), Amphastar Nanjing Pharmaceuticals (ANP), and Amphastar France Pharmaceuticals (AFP).


IMS, AFP, and ANP supply APIs to Amphastar Pharmaceuticals for commercial and pipeline products.


The APIs are produced utilizing core technologies that were developed specifically for the manufacturing of APIs.


All APIs are manufactured in cGMP facilities and comply with FDA regulatory requirements and applicable laws and regulations.


APIs Manufactured by Amphastar include:

Enoxaparin Sodium, USP

Isoproterenol Hydrochloride, USP

Hyaluronidase, USP


Human Insulin and various Insulin analogs



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