A Polybutene DMF (Drug Master File) is a document detailing the whole manufacturing process of Polybutene active pharmaceutical ingredient (API) in detail. Different forms of Polybutene DMFs exist exist since differing nations have different regulations, such as Polybutene USDMF, ASMF (EDMF), JDMF, CDMF, etc.
A Polybutene DMF submitted to regulatory agencies in the US is known as a USDMF. Polybutene USDMF includes data on Polybutene's chemical properties, information on the facilities and procedures used, and details about packaging and storage. The Polybutene USDMF is kept confidential to protect the manufacturer’s intellectual property.
click here to find a list of Polybutene suppliers with USDMF on PharmaCompass.