CAS 2221-66-1 appears in our catalog under these names: Dihydroseselin, Dihydroseselin/ 99.3% (existing batch purity), 8,8-Dimethyl-9,10-dihydropyrano[2,3-f]chromen-2(8H)-one, 97%, 97%, Dihydroseselin, 99.34%. Offered by: GLPBio, TargetMol, Biosynth, Chemat, MedChemExpress. Available pack sizes: 1mg, 5mg, 10mg, 25mg, 50mg, 100mg, 200mg, 1 mg.