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Table 1 Analytical data of the DOTA conjugates and of their corresponding natGa-complexes

From: A new 68Ga-labeled somatostatin analog containing two iodo-amino acids for dual somatostatin receptor subtype 2 and 5 targeting

Compounds Purity(%) MW (calculated) MW (observed) HPLC (tr min)
DOTA-ST8950 100 1699.5 1700.1 10.51
DOTA-ST8951 98 1447.7 1448.2 8.56
DOTA-NOC 96 1454.6 1456.2 11.00
DOTA-TATE 100 1435.6 1436.2 9.05
natGa-DOTA-ST8950 98 1768.5 1768.0 10.74
natGa-DOTA-ST8951 97 1516.7 1516.1 8.55
natGa-DOTA-NOC 97 1523.6 1524.1 11.40
natGa-DOTA-TATE 98 1504.6 1504.1 9.50
  1. MW molecular weight, tr retention time