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. Author manuscript; available in PMC: 2015 Feb 1.
Published in final edited form as: Nucl Med Biol. 2013 Nov 28;41(2):133–139. doi: 10.1016/j.nucmedbio.2013.11.006

TABLE 1.

Mass spectrometry, IC50, and RP-HPLC data for [RGD-Glu-[NO2A]-6-Ahx-RM2] and [RGD-Glu-[nat/64Cu-NO2A]-6-Ahx-RM2].

Calculated molecular mass, [RGD-Glu-[NO2A]-6-Ahx-RM2] 2241.17 Da
Calculated molecular mass, [RGD-Glu-[natCu-NO2A]-6-Ahx-RM2] 2302.08 Da
Electrospray ionization molecular mass, [RGD-Glu-[NO2A]-6-Ahx-RM2] 2242.39 Da
Electrospray ionization molecular mass, [RGD-Glu-[natCu-NO2A]-6-Ahx-RM2] 2303.64 Da
Molecular Formula [RGD-Glu-[NO2A]-6-Ahx-RM2] C105H156N28O27
Molecular Formula [RGD-Glu-[Cu-NO2A]-6-Ahx-RM2] C105H154CuN28O27
[RGD-Glu-[natCu-NO2A]-6-Ahx-RM2] RP-HPLC tR 12.27 min
[RGD-Glu-[64Cu-NO2A]-6-Ahx-RM2] RP-HPLC tR 12.35 min
IC50, [RGD-Glu-[natCu-NO2A]-6-Ahx-RM2], PC-3 3.09±0.34 nM
IC50, [RGD-Glu-[natCu-NO2A]-6-Ahx-RM2], U87-MG 518±37.5 nM