CAS 135308-83-7 appears in our catalog under these names: (5S,6R,7R,8S)-5,6,7,8-Tetrahydroxy-2-(2-hydroxyphenethyl)-5,6,7,8-tetrahydro-4H-chromen-4-one, ≥98%, ≥98%, 2'-Hydroxylagarotetrol. Offered by: Chemat, MedChemExpress. Available pack sizes: 5mg, 5 mg, 1 mg.