CAS 2140807-17-4 appears in our catalog under these names: Pomalidomide 4'–PEG2–acid, Pomalidomide-PEG2-CO2H/ 99.25% (existing batch purity), Pomalidomide-PEG2-COOH, Pomalidomide-PEG2-COOH 95%, POMALIDOMIDE-PEG2-CO2H,95%. Offered by: GLPBio, TargetMol, Iris Biotech, Ambeed, Sigma-Aldrich. Available pack sizes: 25mg, 5mg, 10mg, 50mg, 100mg, 200mg, 5g, 250mg.