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The present study was aimed to identify pesticidal compounds present in n-hexane fraction of methanolic inflorescence extract of quinoa (Chenopodium quinoa Willd.). A total of 14 compounds were identified in this fraction through GC-MS analysis. Among these, 9,12-octadecadienoic acid(z,z) followed by n-hexadecanoic acid and 9,12-octadecadienoic acid (z,z)-, methyl ester were the predominant compounds with peak areas of 18.76, 18.19 and 18%, respectively. Compounds namely pentadecanoic acid, methyl ester; hexadecanoic acid, methyl ester; 9,12-octadecadienoic acid(z,z) and/or E,Z-1,3,12-nonadecatriene known to possess either antifungal or antibacterial or both the activities. Likewise, methyl tetradecanoate is known for its nematicidal activity. The present study concludes that n-hexane fraction of methanolic inflorescence extract of C. quinoa is a rich source of compounds with pesticidal activities.