CAS 21422-04-8 appears in our catalog under these names: Demethylsuberosin/ 98.65% (existing batch purity), Demethylsuberosin, 7-Hydroxy-6-(3-methyl-2-buten-1-yl)-2H-1-benzopyran-2-one, 98.65% ,, 98.65% ,, Demethylsuberosin, 99.71%. Offered by: TargetMol, GLPBio, Chemat, MedChemExpress, Fluorochem. Available pack sizes: 2mg, 5mg, 10mg, 25mg, 50mg, 100mg, 1mg, 20mg.