Chemical. CAS 528-43-8. Formula C18H18O2. MW 266.33. Magnolol is a bioactive compound isolated from the bark of M. officinalis that has been used in Asian traditional medicine for the treatment of anxiety, sleep disorders, and allergic diseases. Magnolol is an antifungal, antibacterial and antioxidant compound. It demonstrates anti-inflammatory activity by interferring with NF-kappaB signalling and NLRP3 inhibition. Magnolol can activate cannabinoid CB receptors, behaving as a partial agonist with selectivity for the peripheral CB2 subtype versus central CB1. It been identified as modulators of the GABAA receptors in vitro. It is a potent antitumor and antiangiogenic compound. Shown to inhibit HIF-1alpha/VEGF signalling, inhibiting invasion and metastasis through MMP2/MMP9 and inhibiting microtubule polymerization. Induces apoptosis through EGFR/PI3K/Akt pathway.