Adrenocorticotropic Hormone

Where is Cosyntropin made?

2 companies sell it under their own name and 4 repackagers rebottle it. Their labels name 1 factory in the United States.

United States 1
United States: 1

Companies and their factories

Company on the labelFactoryWhereLast FDA inspection
Amphastar Pharmaceuticals, Inc. Cortrosyn0.25 mg per 1 mL · NDC 0548-5900 Amphastar Pharmaceuticals, Inc.Makes it and tests it Rancho Cucamonga, CA, United StatesProblems found, fixed voluntarilyNov 2025
Sandoz Inc.0.25 mg per 1 mL · NDC 0781-3440The label doesn't name the factory. Plants this company names for other drugs

Repackaged by

These companies buy Cosyntropin in bulk and rebottle it, often for mail-order, clinic or hospital pharmacies. If your bottle shows one of these names, open its NDC to see who made the pills inside.