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- W2354034891 abstract "Objective To determine betahistine hydrochloride and the related substances of betahistine hydrochloride injection by HPLC.Methods Chromatographic condition included the Diamonsil C_(18) column((200 mm)×4.6 mm,5 μm)and mobile phase consisting of methanol-10 mmol·L~(-1) sodium acetate solution(including 5 mmol·L~(-1) heptanesulfonic sodium,0.2% triethylamine,using glacial acetic acid to adjust pH to 3.3),(25∶75).The detection wavelength was set at 261 nm,the flow rate was 1.0 mL·min~(-1),the column temperature was room temperature.Results The linear calibration curves were obtained in the concentration range of 1-250 mg·L~(-1)(r=0.999 9).The mean recovery was 99.8%,RSD=1.0%.The theoretical plate number of the betahistine hydrochloride was over 2000,the resolution from its impurities is higher than 1.5.Conclusions This method can be used properly to test the related substances of the product." @default.
- W2354034891 created "2016-06-24" @default.
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- W2354034891 date "2006-01-01" @default.
- W2354034891 modified "2023-09-26" @default.
- W2354034891 title "Determination of betahistine hydrochloride and the related substances of betahistine hydrochloride injection by HPLC" @default.
- W2354034891 hasPublicationYear "2006" @default.
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