Pterokaurene L3 is primarily used in research settings for its potential bioactive properties. It has shown interest in pharmacological studies due to its structural similarity to diterpenoid compounds known for anti-inflammatory and antimicrobial effects. It is investigated for its role in modulating cellular pathways, particularly in plant-based defense mechanism studies. Additionally, Pterokaurene L3 serves as a biomarker in ecological research, helping identify specific plant species or metabolic responses under stress conditions. Its application in drug development remains exploratory, focusing on natural product chemistry and lead compound optimization.