Application of 73590-85-9. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 5-Methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridyl)methyl]thio]benzimidazole, is researched, Molecular C17H19N3O2S, CAS is 73590-85-9, about Improved procedure for quantitation of omeprazole and metabolites using reversed-phase high-performance liquid chromatography. Author is Amantea, Michael A.; Narang, Prem K..
An HPLC procedure for the determination of omeprazole and its sulfone and sulfide metabolites in human plasma was developed by using a C8 reversed-phase column with a mobile phase of MeOH-MeCN-0.025M phosphate buffer (40:8:52) adjusted to pH 7.4 with 85% H3PO4 and detection at 302 nm. The level of detection was 5, 10, and 7.5 ng/mL for omeprazole, its sulfone, and the sulfide, resp. and the intraday variability ranged 2.6-10.3 and 2.0-3.5% at 10 and 125 ng/mL, resp. The recoveries were 96, 42, and 96% for omeprazole, the sulfone, and the sulfide, resp.
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