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1-Phenylethan-1,2,2-trisphosphonsaeurehexaisopropylester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

103808-47-5

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103808-47-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 103808-47-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,8,0 and 8 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 103808-47:
(8*1)+(7*0)+(6*3)+(5*8)+(4*0)+(3*8)+(2*4)+(1*7)=105
105 % 10 = 5
So 103808-47-5 is a valid CAS Registry Number.

103808-47-5Downstream Products

103808-47-5Relevant academic research and scientific papers

Anomalous Michaelis-Becker Reaction: 1-Phenylethan-1,2,2-triphosphonic Acid and their Esters

Fischer, Ulrich,Haegele, Gerhard

, p. 1152 - 1156 (2007/10/02)

Sodium dialkylphosphite reacts with trichlorovinylbenzene to yield in an one-batch procedure 1-phenyl-1,2,2-ethanetriphosphonic acid hexaalkyl esters.A carbanionic intermediate of an "anomalous Michaelis-Becker reaction" is deduced.Acidolysis of esters leads to the parent triphosphonic acids.NMR parameters of this acid are strongly influenced by protolytic equilibrium. - Key words: One-batch synthesis, Oligophosphonic Acid, NMR Spectra

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