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


IMS supplies API’s to Amphastar Pharmaceuticals for commercial and pipeline products.


Core technologies were developed and utilized for the manufacturing of API’s by Amphastar Pharmaceuticals Inc.


All API’s are manufactured in cGMP facilities and comply with FDA regulatory requirements.


The following API’s are currently manufactured at IMS:

Enoxaparin Sodium, USP


APIs for Amphastar pipeline products


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