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EJNMMI Research

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
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