Lenalidomide-OH is a hydroxylated derivative of the immunomodulatory drug Lenalidomide, commonly used as a reference standard, metabolite analog, or synthetic intermediate in pharmaceutical research and development. It supports studies on cancer treatments, including multiple myeloma and myelodysplastic syndromes, by aiding in the analysis of drug metabolism, efficacy, and combination therapies. With a purity of ≥98%, it is ideal for analytical, biochemical, and synthetic applications in laboratory settings.