Omeprazole is also known as Proton pump Inhibitor.Omeprazole is also known as Proton pump Inhibitor. It is of Synthetic origin and belongs to Benzimidazol. It belongs to H/K Atpase proton pump inhibitor pharmacological group on the basis of mechanism of action and also classified in Antacids pharmacological group.The Molecular Weight of Omeprazole is 345.40.
Its pKa is 4.0, 8.7.