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565431-90-5

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565431-90-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 565431-90-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,6,5,4,3 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 565431-90:
(8*5)+(7*6)+(6*5)+(5*4)+(4*3)+(3*1)+(2*9)+(1*0)=165
165 % 10 = 5
So 565431-90-5 is a valid CAS Registry Number.

565431-90-5Relevant articles and documents

Efficient synthesis of water-soluble, phosphonate-terminated polyester dendrimers

Salamończyk, Grzegorz M.

, p. 7161 - 7164 (2015/12/12)

Simple and effective syntheses of novel, water-soluble, phosphonate-terminated polyester dendrimers varying in size and structure are described. These macromolecular compounds, consisting of thiophosphoric and 1,3,5-benzenetricarboxylic ester building blocks may find potential applications in health sciences as microbicides and/or as useful macromolecular models for functional coatings of superparamagnetic iron oxides (SPIOs) nanoparticles intended for use in hyperthermal therapy and magnetic resonance imaging (MRI). The dendrimers, possessing free phosphonate functional groups on the surface, were prepared in high yields from previously synthesized phosphorus-based substrates with 3,5-bis(dimethoxyphosphonyl)-methyl]benzoic acid (4), being an essential precursor of the dendrimer polyanionic surface. In addition, an interesting example of virtual coupling between remote nuclei in the 13C NMR spectrum of bisphosphonate monomer 3 was observed.

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