DOTA-tris(t-Bu)ester-PEG2 Size:5mg CN(C)C1=CC=C2C(OC3=CC(C=CC3=C2[C+]2=CC=C(C=C2C([O-])=O)C(=O)NCCOCCOCCOCCN=[N]#N)=[N+](C)C)=C1 Purity (HPLC): ≥ 95%

CN(C)C1=CC=C2C(OC3=CC(C=CC3=C2[C+]2=CC=C(C=C2C([O-])=O)C(=O)NCCOCCOCCOCCN=[N]#N)=[N+](C)C)=C1 Purity (HPLC): ≥ 95% Shipping Conditions: room temperature Storage Conditions: Refrigerated Regulatory Statement: For Research Use Only

74 SMILES CC1=C(SC=N1)C1=CC=C(CNC(=O)[C@@H]2C[C@@H](O)CN2C(=O)[C@@H](NC(=O)CCOCCOCCOCCOCCBr)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 Thalidomide-5'-propargyl-OH Synonyms CAS Number 1216805-32-1 Related CAS Molecular Formula C16H12N2O5 Molecular Weight 312

458 SMILES [N-]=[N+]=NCCOCCOCCOCCOC1=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 Pomalidomide-PEG2-C2-azide Synonyms Pomalidomide-4'-PEG2-C2-azide CAS Number 2271036-45-2 Related CAS Molecular Formula C19H22N6O6 Molecular Weight 430

DOTA-tris(t-Bu)ester-PEG2 Size:5mg CN(C)C1=CC=C2C(OC3=CC(C=CC3=C2[C+]2=CC=C(C=C2C([O-])=O)C(=O)NCCOCCOCCOCCN=[N]#N)=[N+](C)C)=C1 Purity (HPLC): ≥ 95%DOTA bifucational chelator containing an alcohol 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 tris(t Bu)ester PEG2 Synonyms CAS Number n a Related CAS Molecular Formula C32H61N5O9 Molecular Weight 659.