Micheliolide (CAS: 68370-47-8) is a natural sesquiterpene lactone extracted from Michelia species. It is a bioactive plant compound widely used in pharmaceutical and biomedical research. With ≥98% purity verified by HPLC, it serves as a reliable reference material for studying inflammatory signaling, oxidative stress, and cellular response mechanisms. Supplied with full COA, HPLC, MS, and NMR data for research use only.