interferon alfacon-1 interferon alfacon-1 interferon alfacon-1 is a recombinant synthetic type i interferon used for the treatment of hairy cell leukemia, malignant melanoma and aids-related kaposi's sarcoma. interferon alfacon-1clinical dataroutes ofadministrationparenteralatc codel03ab09 (who) legal statuslegal status us: ℞-only identifierscas number118390-30-0 ydrugbankdb00069 nchemspidernoneunii56588op40dcomptox dashboard (epa)dtxsid4040507 chemical and physical dataformulac860h1353n227o255s9molar mass19241.16 g·mol−1 ny (what is this?) (verify)