Product Name: Arbutin CAS Number: 497-76-7 Molecular Formula: C12H16O7 Molecular Weight: 272.25 Purity: 99.0% 12H16O7 Arbutin has been used in the treatment of disorders of hyperpigmentation such as postinflammatory hyperpigmentation caused by acne, trauma, allergic reactions, infections, injuries, phototoxic reactions, reactions to medications, reactions to cosmetics, and inflammatory diseases.