CAS 4382-17-6 appears in our catalog under these names: Quercetin 3，3'–dimethyl ether, Quercetin 3,3'–dimethyl ether, Quercetin 3,3'-dimethyl ether, 3,3'-di-O-methylquercetin, ≥98%, ≥98%, Quercetin 3,3'-dimethyl ether, 99.04%. Offered by: GLPBio, Biosynth, Chemat, MedChemExpress. Available pack sizes: 5mg, 1mg, 2mg, 10mg, 25mg, 1 mg, 5 mg.