DOTA-PEG3-propargyl other 85 SMILES CC1=C(SC=N1)C1=CC=C(CNC(=O)[C@@H]2C[C@@H](O)CN2C(=O)[C@@H](NC(=O)CCOCCOCCOCCOCCC(O)=O)C(C)(C)C)C=C1 Purity (HPLC)

85 SMILES CC1=C(SC=N1)C1=CC=C(CNC(=O)[C@@H]2C[C@@H](O)CN2C(=O)[C@@H](NC(=O)CCOCCOCCOCCOCCC(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

613 SMILES NCCCCCCNC(=O)CN1CCN(CC(O)=O)CCN(CC(O)=O)CCN(CC(O)=O)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

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

Contains an E3 ligase ligand with PEG linker and terminal amine

Product Name Pomalidomide-CO-C2-alkyne Synonyms Pomalidomide-4'-CO-C2-alkyne CAS Number 2408797-68-0 Related CAS Molecular Formula C18H15N3O5 Molecular Weight 353

DOTA-PEG3-propargyl other 85 SMILES CC1=C(SC=N1)C1=CC=C(CNC(=O)[C@@H]2C[C@@H](O)CN2C(=O)[C@@H](NC(=O)CCOCCOCCOCCOCCC(O)=O)C(C)(C)C)C=C1 Purity (HPLC)DOTA bifucational chelator containing an alkyne group, a PEG linker, and the macrocyclic chelator DOTA ( 1,4,7,10 tetraazacyclododecane 1,4,7,10 tetraacetic acid). It can be used in many different diagnostic and therapeutic applications, such as MRI contrast agents, PET and SPECT imaging agents, and radiotherapeutic agents. Product Name DOTA PEG3 propargyl Synonyms CAS Number n a Related CAS Molecular Formula C25H43N5O10 Molecular Weight 573. 644