CAS: 73590-58-6 Molecular Formula: C17H19N3O3S Molecular Weight (g/mol): 345.42 InChI Key: SUBDBMMJDZJVOS-UHFFFAOYSA-N Synonym: omeprazole,losec,prilosec,antra,esomeprazole,omeprazon,audazol,omapren,omepral,parizac PubChem CID: 4594 ChEBI: CHEBI:77260 IUPAC Name: 6-methoxy-2-[(4-methoxy-3,5-dimethylpyridin-2-yl)methylsulfinyl]-1H-benzimidazole SMILES: CC1=CN=C(C(=C1OC)C)CS(=O)C2=NC3=C(N2)C=C(C=C3)OC