Structural Formula Vector Image
Title: Depreotide
CAS Registry Number: 161982-62-3
CAS Name: Cyclo(L-homocysteinyl-N-methyl-L-phenylalanyl-L-tyrosyl-D-tryptophyl-L-lysyl-L-valyl), (1®1¢)-thioether with 3-[(mercaptoacetyl)amino]-L-alanyl-L-lysyl-L-cysteinyl-L-lysinamide
Additional Names: cyclo-(N-Me)Phe-Tyr-(D-Trp)-Lys-Val-Hcy(CH2CO-(b-Dap)-Lys-Cys-Lys-NH2); cyclo.(N-CH3)FYWDKV.Hcy(CH2CO.(b-Dap)KCK.amide)
Manufacturers' Codes: P829
Molecular Formula: C65H96N16O12S2
Molecular Weight: 1357.69
Percent Composition: C 57.50%, H 7.13%, N 16.51%, O 14.14%, S 4.72%
Literature References: Synthetic cyclic peptide of 10 amino acids; somatostatin analog designed to bind to somatostatin receptor-bearing tumors. 99mTc-Labeled complex functions as scintigraphic imaging agent. Prepn: R. T. Dean et al., WO 9500553 (1995 to Diatech); eidem, US 6051206 (2000 to Diatide); D. A. Pearson et al., J. Med. Chem. 39, 1361 (1996). Binding studies: I. Virgolini et al., Cancer Res. 58, 1850 (1998). Clinical study in diagnosis of pulmonary nodules: J. Blum et al., Chest 117, 1232 (2000).
Derivative Type: 99mTc-Labeled form
Additional Names: 99mTc-P829
Trademarks: NeoTect (Diatide)
Therap-Cat: Diagnostic aid (radioactive imaging agent).

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