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- W2120348522 abstract "Abstract A stability-indicating assay method for the quantitation of chloropropamide and tolbutamide based on reverse phase high-performance liquid chromatography has been developed. The method is accurate, reproducible and precise with a percent relative standard deviations based on 5 readings of 0.52 and 0.46 for chlorpropamide and tolbutamide, respectively. There is no interference from the products of hydrolysis of chlorpropamide or tolbutamide (they elute before the intact drug) and th excipients present in the tablets. The hydrolysis process proceeds very fast in acidic pH as compared with basic pH. The products of hydrolysis, p-chlorobenzenesulfonamide (from chlorpropamide) and p-toluenesulfonamide (from tolbutamide) can also be quantified if required. The hydrolysis of both chlorpropamide and tolbutamide in 0.09N H2SO4 followed first order law with K values of 0.0036 and 0.0047 per day (at 50°), respectively." @default.
- W2120348522 created "2016-06-24" @default.
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- W2120348522 date "1984-01-01" @default.
- W2120348522 modified "2023-09-30" @default.
- W2120348522 title "Quantitation of Chlorpropamide and Tolbutamide in Tablets by Stability-Indicating Reverse Phase High-Performance Liquid Chromatography" @default.
- W2120348522 cites W2160786847 @default.
- W2120348522 doi "https://doi.org/10.1080/00032718408077202" @default.
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