(S,R,S)-AHPC-CO-C5-Br deuterium-labeled-amine 12 SMILES: [2H]C([2H])([2H])OC1=CC=C(C=C1)B1OC(C)(C)C(C)(C)O1 Isotopic Enrichment:

12 SMILES: [2H]C([2H])([2H])OC1=CC=C(C=C1)B1OC(C)(C)C(C)(C)O1 Isotopic Enrichment: 98 atom % D Purity (HPLC): ≥ 95% Shipping Conditions: room temperature Storage Conditions: Refrigerated Regulatory Statement: For Research Use Only

96 SMILES CC1=C(SC=N1)C1=CC=C(CNC(=O)[C@@H]2C[C@@H](O)CN2C(=O)[C@@H](NC(=O)COCCOCCOCCOCCOCCOCCOCC(O)=O)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 Pomalidomide-5'-C4-azide Synonyms CAS Number n/a Related CAS Molecular Formula C17H18N6O4 Molecular Weight 370

S)-AHPC-CO-C2-NH2 HCl Synonyms CAS Number 2341796-73-2 Related CAS 2241643-69-4 (free base) Molecular Formula C25H37Cl2N5O4S Molecular Weight 574

Product Name Thalidomide-O-acetamido-PEG2-propargyl Synonyms Thalidomide-4'-O-acetamido-PEG2-propargyl CAS Number n/a Related CAS Molecular Formula C22H23N3O8 Molecular Weight 457

(S,R,S)-AHPC-CO-C5-Br deuterium-labeled-amine 12 SMILES: [2H]C([2H])([2H])OC1=CC=C(C=C1)B1OC(C)(C)C(C)(C)O1 Isotopic Enrichment: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 C5 Br Synonyms CAS Number n a Related CAS Molecular Formula C28H39BrN4O4S Molecular Weight 607. 61 SMILES CC1=C(SC=N1)C1=CC=C(CNC(=O)[C@@H]2C[C@@H](O)CN2C(=O)[C@@H](NC(=O)CCCCCBr)C(C)(C)C)C=C1 Purity (HPLC) >=