Derivative of Thalidomide (Cat.No. 0652), commonly used as a precursor to PROTACs that hijack cereblon as the E3 ubiquitin ligase component. Supplied with a carboxylic acid functional handle at a position known not to significantly affect binding to cereblon, for ready conjugation to a linker/target protein ligand. Require a different derivative? Get in touch. Purity 98%. MW (observed): 332.26