Small molecules & peptides

DTPA-Bn-cyclo(RDGfK) dimer trifluoroacetate

Precursor for αvβ3 integrin targeted, radiometal-labelled RGD-peptides

CA index name: Cyclo(L-arginylglycyl-L-α-aspartyl-D-phenylalanyl-L-lysyl), 5,5'-[N-[[[4-[2-[bis(carboxymethyl)amino]-3-[[2-[bis(carboxymethyl)amino]ethyl](carboxymethyl)amino]propyl]phenyl]amino]thioxomethyl]-L-glutamoyl]bis-

Sequence: DTPA-Bn-cyclo(-Arg-Gly-Asp-D-Phe-Lys-) dimer


Research Chemical


Molar mass 1859.0 (net peptide)

CAS RN [1004322-97-7]

Purity ≥ 95 %

  • White to off-white powder
  • soluble in water, dimethyl sulfoxide


CoA: appearance, MS (identity), HPLC (purity)


Jia B. et al. Linker Effects on Biological Properties of ¹¹¹In-Labeled DTPA Conjugates of a Cyclic RGDfK Dimer. Bioconjugate Chem. 2008, 19: 201–210.

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