DOTA-tris(t-Bu)ester-PEG4-C2-propanamido-maleimide chloride 91 SMILES CC1=C(SC=N1)C1=CC=C(CNC(=O)[C@@H]2C[C@@H](O)CN2C(=O)[C@@H](NC(=O)CCOCCOCCOCCOCCOCCC(O)=O)C(C)(C)C)C=C1 Purity (HPLC)

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

53 SMILES OCCOCCOCCOCCOCCNC1=C2CN(C3CCC(=O)NC3=O)C(=O)C2=CC=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

385 SMILES: OC1=CC2=C(C=C1)C1(OC(=O)C3=CC(=CC=C13)C(=O)NCC#C)C1=CC=C(O)C=C1O2

S6-04-S6-04

DOTA-tris(t-Bu)ester-PEG4-C2-propanamido-maleimide chloride 91 SMILES CC1=C(SC=N1)C1=CC=C(CNC(=O)[C@@H]2C[C@@H](O)CN2C(=O)[C@@H](NC(=O)CCOCCOCCOCCOCCOCCC(O)=O)C(C)(C)C)C=C1 Purity (HPLC)DOTA bifucational chelator containing a thiol reactive maleimide 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 PEG4 C2 propanamido maleimide Synonyms CAS Number n a Related CAS Molecular