CAS 3741-38-6 appears in our catalog under these names: Glycol sulfite, Glycol sulfite, 98% , 1,3,2-Dioxathiolane 2-Oxide, >98.0%(GC), Ethylene Sulfite 98%, ETHYLENE SULFITE, >=99.0%. Offered by: GLPBio, Thermo Scientific (Alfa Aesar), TCI, Ambeed, Sigma-Aldrich. Available pack sizes: 100g, 500g, 5g, 25g.