Lenalidomide-5'-CO-C2-acid new 93 SMILES: [O-]S(=O)(=O)C1=CC(=CC=C1C1=C2C=C3CCC[N+]4=C3C(CCC4)=C2OC2=C3CCCN4CCCC(C=C12)=C34)S(=O)(=O)NCCOCCOCCOCC#C Purity (HPLC):

93 SMILES: [O-]S(=O)(=O)C1=CC(=CC=C1C1=C2C=C3CCC[N+]4=C3C(CCC4)=C2OC2=C3CCCN4CCCC(C=C12)=C34)S(=O)(=O)NCCOCCOCCOCC#C Purity (HPLC): ≥ 95% Shipping Conditions: room temperature Storage Conditions: Refrigerated Regulatory Statement: For Research Use Only

308 SMILES OCCC#CC1=C2C(=O)N(C3CCC(=O)NC3=O)C(=O)C2=CC=C1 Purity (HPLC) >= 95% Shipping Conditions Room temperature Storage Conditions Refrigerated Shelf Life 12 months after the date of delivery Regulatory Statement For Research Use Only

47 SMILES OC(=O)CCOCCOCCOCCNC1=CC=C2C(=O)N(C3CCC(=O)NC3=O)C(=O)C2=C1 Purity (HPLC) >= 95% Shipping Conditions Room temperature Storage Conditions Refrigerated Shelf Life 12 months after the date of delivery Regulatory Statement For Research Use Only

Product Name Thalidomide-O-acetamido-PEG3-C2-acid Synonyms Thalidomide-4'-O-acetamido-PEG3-C2-acid CAS Number n/a Related CAS Molecular Formula C24H29N3O11 Molecular Weight 535

336 SMILES CC(C)(C)OC(=O)CCCN1CCNCC1 Purity (HPLC) >= 95% Shipping Conditions Room temperature Storage Conditions Refrigerated Shelf Life 12 months after the date of delivery Regulatory Statement For Research Use Only

Lenalidomide-5'-CO-C2-acid new 93 SMILES: [O-]S(=O)(=O)C1=CC(=CC=C1C1=C2C=C3CCC[N+]4=C3C(CCC4)=C2OC2=C3CCCN4CCCC(C=C12)=C34)S(=O)(=O)NCCOCCOCCOCC#C Purity (HPLC):Degrader building block for targeted protein degradation. Contains an E3 ligase ligand with a linker and a function group, which can be conjugated to target protein ligands through straightforward chemical reactions. Product Name Lenalidomide 5' CO C2 acid Synonyms CAS Number n a Related CAS Molecular Formula C17H17N3O6 Molecular Weight 359. 338 SMILES OC(=O)CCC(=O)NC1=CC=C2C(CN(C3CCC(=O)NC3=O)C2=O)=C1 Purity (HPLC) >= 95% Shipping Conditions Room