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