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tri-o-tolyl-arsine oxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

31219-50-8

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31219-50-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31219-50-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,2,1 and 9 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 31219-50:
(7*3)+(6*1)+(5*2)+(4*1)+(3*9)+(2*5)+(1*0)=78
78 % 10 = 8
So 31219-50-8 is a valid CAS Registry Number.

31219-50-8Relevant academic research and scientific papers

Experimental and Theoretical Studies of Correlated Rotation in Tris(ortho-tolyl) Derivatives of P, As and Si

Howell, James A. S.,Palin, Michael G.,Yates, Paul C.,McArdle, Patrick

, p. 1769 - 1775 (2007/10/02)

Variable temperature NMR studies have established equilibrium constants and/or activation parameters for the exo2 exo3 equilibrium in the series M(o-tolyl)3 (M=P, As), XM (o-tolyl)3 (M=P, X=O, S, Se; M=As, X=O, S) and n+ (n=O, M=Si; n=1, M=P, As).The crystal structure of OAs(o-tolyl)3H2O is reported.Molecular mechanics studies of P(o-tolyl)3 reproduce correctly the ground state exo3 conformation and provide an analysis of the lowest energy two-ring flip exchange mechanism.

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