Lenalidomide-5'-CO-PEG4-C2-amine HCl Thalidomide CC1=C(SC=N1)C1=CC=C(CNC(=O)[C@@H]2C[C@@H](O)CN2C(=O)[C@@H](NC(=O)CCOCCN)C(C)(C)C)C=C1 Purity (HPLC) >= 95%

CC1=C(SC=N1)C1=CC=C(CNC(=O)[C@@H]2C[C@@H](O)CN2C(=O)[C@@H](NC(=O)CCOCCN)C(C)(C)C)C=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 Lenalidomide-CO-PEG2-Cl Synonyms Lenalidomide-4'-CO-PEG2-Cl CAS Number n/a Related CAS Molecular Formula C20H24ClN3O6 Molecular Weight 437

Product Name tert-butyl 4-[2-(2-aminoethoxy)ethyl]piperazine-1-carboxylate Synonyms CAS Number 1181972-47-3 Related CAS Molecular Formula C13H27N3O3 Molecular Weight 273

392 SMILES OC(=O)CCCCCNC1=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

324 SMILES CC(C)(C)OC(=O)N1CCN(CCN)CC1 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-PEG4-C2-amine HCl Thalidomide CC1=C(SC=N1)C1=CC=C(CNC(=O)[C@@H]2C[C@@H](O)CN2C(=O)[C@@H](NC(=O)CCOCCN)C(C)(C)C)C=C1 Purity (HPLC) >= 95%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 PEG4 C2 amine HCl Synonyms CAS Number n a Related CAS 2727154 04 1 (free base) Molecular Formula C24H35ClN4O8 Molecular Weight 543. 01 SMILES Cl. NCCOCCOCCOCCOCCC(=O)NC1=CC=C2C(=O)N(CC2=C1)C1CCC(=O)NC1=O