CAS 23391-99-3 appears in our catalog under these names: 4,4'–Bicyclohexanone, 4,4'-Bicyclohexanone, >98.0%(GC), [1,1'-Bi(cyclohexane)]-4,4'-dione 98%, [1,1'-Bi(cyclohexane)]-4,4'-dione, 98%, 98%, [1,1'-Bi(cyclohexane)]-4,4'-dione, 95%. Offered by: GLPBio, TCI, Ambeed, Chemat, Fluorochem. Available pack sizes: 5g, 25g, 100g, 500g, 1g.