CAS 481-39-0 appears in our catalog under these names: 5-Hydroxy-1,4-naphthoquinone, >95% (HPLC), Juglone/ 98.73% (existing batch purity), Juglone, 5-Hydroxy-1,4-naphthalenedione, 5-Hydroxy-1,4-naphthoquinone, >96.0%(GC). Offered by: TRC, TargetMol, GLPBio, Biosynth, TCI. Available pack sizes: 1g, 2,5g, 500mg, 5mg, 10mg, 25mg, 50mg, 100mg.