CAS 6381-55-1 appears in our catalog under these names: KKII5/ 97.44% (existing batch purity), KKII5, 4,6-Diphenyl-3,4-dihydropyrimidine-2(1H)-thione, KKII5, 98.60%. Offered by: TargetMol, GLPBio, Chemat, MedChemExpress. Available pack sizes: 1mg, 5mg, 10mg, 25mg, 50mg, 100mg, 500mg, 50 mg.