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1045709-74-7

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1045709-74-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1045709-74-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,5,7,0 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1045709-74:
(9*1)+(8*0)+(7*4)+(6*5)+(5*7)+(4*0)+(3*9)+(2*7)+(1*4)=147
147 % 10 = 7
So 1045709-74-7 is a valid CAS Registry Number.

1045709-74-7Relevant articles and documents

Synthesis and evaluation of technetium-99m- and rhenium-labeled inhibitors of the prostate-specific membrane antigen (PSMA)

Banerjee, Sangeeta R.,Foss, Catherine A.,Castanares, Mark,Mease, Ronnie C.,Byun, Youngjoo,Fox, James J.,Hilton, John,Lupold, Shawn E.,Kozikowski, Alan P.,Pomper, Martin G.

, p. 4504 - 4517 (2008)

The prostate-specific membrane antigen (PSMA) is increasingly recognized as a viable target for imaging and therapy of cancer. We prepared seven 99mTc/Re-labeled compounds by attaching known Tc/Re chelating agents to an amino-functionalized PSMA inhibitor (lys-NHCONH-glu) with or without a variable length linker moiety. Ki values ranged from 0.17 to 199 nM. Ex vivo biodistribution and in vivo imaging demonstrated the degree of specific binding to engineered PSMA+ PC3 PIP tumors. PC3-PIP cells are derived from PC3 that have been transduced with the gene for PSMA. Despite demonstrating nearly the lowest PSMA inhibitory potency of this series, [99mTc(CO) 3(L1)]+ (L1 = (2-pyridylmethyl)2N(CH 2)4CH(CO2H)-NHCO-(CH2) 6CO-NH-lys-NHCONH-glu) showed the highest, most selective PIP tumor uptake, at 7.9 ± 4.0% injected dose per gram of tissue at 30 min postinjection. Radioactivity cleared from nontarget tissues to produce a PIP to flu (PSMA-PC3) ratio of 44:1 at 120 min postinjection. PSMA can accommodate the steric requirements of 99mTc/Re complexes within PSMA inhibitors, the best results achieved with a linker moiety between the ε amine of the urea lysine and the chelator.

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