Chemical Name: 2-[(RS)-[(3,5-dimethylpyridin-2-yl)methyl]sulphinyl]-5-methoxy-1H-benzimidazole (as per EP)
Synonym: Esomeprazole EP Impurity B ; 4-Desmethoxy Omeprazole
Smiles: COC1=CC=C2N=C(S(CC3=NC=C(C)C=C3C)=O)NC2=C1
Inchi: InChI=1S/C8H8N2OS/c1-11-5-2-3-6-7(4-5)10-8(12)9-6/h2-4H,1H3,(H2,9,10,12)
Elemental impurities analysis in name-brand and generic omeprazole drug samples
Fernanda C. Pinheiro, Ariane I.Barros, Joaquim A.Nóbrega
Heliyon Volume 6, Issue 2, February 2020, e03359
Development of a validated RP-HPLC method for separation and determination of process-related impurities of omeprazole in bulk drugs
cristina iuga, marius bojiţă, sorin e. leucuţa
farmacia, 2009, vol. 57, 5
Low Level Quantification of Potential Genotoxic Impurity in Omeprazole Drug Substance by UPLC
Vinay Kumar Patcha , Susheela Bhai Gajbhiye , Vundavilli Jagadeesh Kumar , Ray UK ,Pavan Kumar KSR , Sreenivas N
Der Pharma Chemica, 2017, 9(15):72-76