Sulfurous Acid Sodium Salt Heptahydrate Price Not Available 25mg Sulfurous Acid Sodium Salt Heptahydrate Supplier Page Catalog Number R031049 Molecular Formula H14Na2O10S CAS# 10102-15-5 Purity ≥90% Inchi InChI=1S/2Na.H2O3S.7H2O/c;;1-4(2)3;;;;;;;/h;;(H2,1,2,3);7*1H2/q2*+1;;;;;;;;/p-2 Inchi Key WMJRPJZQQSSDBU-UHFFFAOYSA-L SMILES O.O.O.O.O.O.O.[O-]S(=O)[O-].[Na+].[Na+] Size 25mg Supplier Page https://www.musechem.com/product/R031049.html