Determination of Residual Condensation Agents and Catalyst in Semaglutide Active Pharmaceutical Ingredient by Gas Chromatography-Tandem Mass Spectrometry
Experimental Techniques and Methods|更新时间:2025-07-10
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Determination of Residual Condensation Agents and Catalyst in Semaglutide Active Pharmaceutical Ingredient by Gas Chromatography-Tandem Mass Spectrometry
Journal of Instrumental AnalysisVol. 44, Issue 7, Pages: 1371-1377(2025)
LIANG Zi-yang,XU Jin-feng,KANG Huai-teng,LUO Yi,LIANG Yun-rui,ZHANG Wei-chuan,LUO Hui-tai,HUANG Fang.Determination of Residual Condensation Agents and Catalyst in Semaglutide Active Pharmaceutical Ingredient by Gas Chromatography-Tandem Mass Spectrometry[J].Journal of Instrumental Analysis,2025,44(07):1371-1377.
LIANG Zi-yang,XU Jin-feng,KANG Huai-teng,LUO Yi,LIANG Yun-rui,ZHANG Wei-chuan,LUO Hui-tai,HUANG Fang.Determination of Residual Condensation Agents and Catalyst in Semaglutide Active Pharmaceutical Ingredient by Gas Chromatography-Tandem Mass Spectrometry[J].Journal of Instrumental Analysis,2025,44(07):1371-1377. DOI: 10.12452/j.fxcsxb.250318203.
Determination of Residual Condensation Agents and Catalyst in Semaglutide Active Pharmaceutical Ingredient by Gas Chromatography-Tandem Mass Spectrometry
A method was established based on gas chromatography-tandem mass spectrometry(GC-MS/MS) to analyze the residual condensing agents N,N'-diisopropylcarbodiimide(DIC) and
N
,
N
'-dicyclohexylcarbodiimide(DCC),and catalyst N,N'-dimethylaminopyridine(DMAP) in semaglutide active pharmaceutical ingredient(API). After extraction with acetonitrile,sample were separated on an Agilent CP-Volamine column(30 m × 0.32 mm),detected in electron impact ionization source(EI) with multiple reaction monitoring(MRM) mode and quantified by the external standard calibration. Target compounds exhibited excellent linearities in the concentration ranges of 10-500 ng/mL,with correlation coefficients(
r
2
) of 0.998 8-0.999 9. The limits of detection were 0.1-0.5 μg/g,while the limits of quantitation were all 1.0 μg/g. The average recoveries(
n
=9) of target compounds were 97.6%-99.2%,while relative standard deviations(RSDs) for precision,repeatability,stability,and robustness were all below 6.0%,indicating good method reliability. Thirteen batches of semaglutide API
were detected,and a positive sample was found with DMAP content of 1.3 μg/g. The method established in this study offers the advantages of convenience and high accuracy,providing reliable technical support for quality control of semaglutide API.
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