CAS: 128-44-9 Molecular Formula: C7H9NNaO5S Molecular Weight (g/mol): 242.201 MDL Number: MFCD00013092 InChI Key: UQKRDMFNUSMUCB-UHFFFAOYSA-N Synonym: saccharin sodium dihydrate,saccharin sodium,sodium saccharin,saccharin soluble,saccharin sodium salt hydrate,1,2-benzisothiazol-3 2h-one, 1,1-dioxide, sodium salt, dihydrate,o-sulfobenzimide sodium salt,2-sulfobenzoic acid imide sodium salt,saccharin sodium salt dihydrate,c7h4nnao3s.2h2o PubChem CID: 46942257 IUPAC Name: 1,1-dioxo-1,2-benzothiazol-3-one;sodium;dihydrate SMILES: C1=CC=C2C(=C1)C(=O)NS2(=O)=O.O.O.[Na]