(S,R,S)-AHPC-CO-C3-NH2 HCl chloride 92 SMILES: CC1(C)\C(=C/C=C/C2=[N+](CCCCCC(=O)NCC#C)C3=CC=C(C=C3C2(C)C)S(O)(=O)=O)N(CCCS([O-])(=O)=O)C2=CC=C(C=C12)S(O)(=O)=O Purity (HPLC):

92 SMILES: CC1(C)\C(=C/C=C/C2=[N+](CCCCCC(=O)NCC#C)C3=CC=C(C=C3C2(C)C)S(O)(=O)=O)N(CCCS([O-])(=O)=O)C2=CC=C(C=C12)S(O)(=O)=O Purity (HPLC): ≥ 95% Shipping Conditions: room temperature Storage Conditions: Refrigerated Regulatory Statement: For Research Use Only

155 SMILES [2H]C([2H])([2H])OC1=CC=CC(=C1)N(=O)=O 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

CC1=C(SC=N1)C1=CC=C(CNC(=O)[C@@H]2C[C@@H](O)CN2C(=O)[C@@H](NC(=O)CCCCCCCCCN)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-PEG5-C2-acid Synonyms Lenalidomide-4'-PEG5-C2-acid CAS Number 2376139-68-1 Related CAS Molecular Formula C26H37N3O10 Molecular Weight 551

(S,R,S)-AHPC-CO-C3-NH2 HCl chloride 92 SMILES: CC1(C)\C(=C/C=C/C2=[N+](CCCCCC(=O)NCC#C)C3=CC=C(C=C3C2(C)C)S(O)(=O)=O)N(CCCS([O-])(=O)=O)C2=CC=C(C=C12)S(O)(=O)=O 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 (S,R,S) AHPC CO C3 NH2 HCl Synonyms CAS Number 2940858 65 9 Related CAS 2361119 88 0 (free base), 2688842 02 4 (TFA salt) Molecular Formula C26H39Cl2N5O4S Molecular Weight 588. 59 SMILES Cl. Cl.