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. Author manuscript; available in PMC: 2017 Jan 20.
Published in final edited form as: Bioconjug Chem. 2015 Dec 30;27(1):130–142. doi: 10.1021/acs.bioconjchem.5b00531

Table 2.

Radiochemical Purities of 6a via the postlabeling Pathway from Ligand 4a

ligand concentration 6a
30 min 60 min
1 × 10−4 M 96% –    
5 × 10−5 M 87% 91%
a

Reactions were heated at 70 °C in 10 mM sodium phosphate pH 7.4 buffer for the times indicated and then allowed to cool briefly before aliquots were removed for analysis by radio-HPLC using HPLC method 1 or 2.