CAS 1957236-20-2 appears in our catalog under these names: E3 Ligase Ligand–Linker Conjugates 21, E3 Ligase ligand-linker conjugates 21, Thalidomide-O-amido-PEG3-C2-NH2. Offered by: GLPBio, Biosynth, MedChemExpress. Available pack sizes: 10mg, 100mg, 25mg, 5mg, 50mg, 250mg, Get quote.