Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: 5-Methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridyl)methyl]thio]benzimidazole, is researched, Molecular C17H19N3O2S, CAS is 73590-85-9, about Development of a validated RP-HPLC method for separation and determination of process-related impurities of omeprazole in bulk drugs.Related Products of 73590-85-9.
A gradient reversed phase liquid chromatog. (RP-LC) method was developed and subsequently validated for the determination of omeprazole and its process-related impurities (noted as: impurity A, B, C, D, G, H). Separation was achieved with a Zorbax Extend C18 column and acetonitrile: water: triethylaminel percent (pH adjusted to 9.5) as eluent, at a flow rate of 0.8 mL/min. UV detection was performed at 280 nm. The described method was linear over a range of 40.6-203 μg/mL for omeprazole, 0.9556-14.334 μg/mL for impurity A, 1.1568-17.352 μg/mL for impurity B, 1.0772-16.158 μg/mL for impurity C, 1.289-19.344 μg/mL for impurity D, and 0.7968-11.952 μg/mL for impurity H. The accuracy of the method was demonstrated at 5 concentration levels in the range of 60-140% of the specification limit and the recovery of impurities was found to be in the range of 90-109%. The method is simple, rapid, selective, accurate, and useful for indicating the stability of omeprazole from dosage forms. The method can be useful in the quality control of bulk manufacturing and pharmaceutical formulations.
When you point to this article, it is believed that you are also very interested in this compound(73590-85-9)Related Products of 73590-85-9 and due to space limitations, I can only present the most important information.
Reference:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem