20(S)-Protopanaxadiol (CAS 30636-90-9) is a high-purity ginsenoside aglycone metabolite, rigorously validated by HPLC to ensure ≥98% quality. As the core bioactive component of Panax ginseng, it serves as an essential reference standard for pharmaceutical research, nutraceutical development, and metabolic studies. This compound demonstrates significant potential in modulating anti-inflammatory, neuroprotective, and anticancer pathways.