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pentacarbonyl[(diphenylphosphino)(di-p-tolylphosphino)methane]tungsten(0) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1381966-57-9

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1381966-57-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1381966-57-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,1,9,6 and 6 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1381966-57:
(9*1)+(8*3)+(7*8)+(6*1)+(5*9)+(4*6)+(3*6)+(2*5)+(1*7)=199
199 % 10 = 9
So 1381966-57-9 is a valid CAS Registry Number.

1381966-57-9Relevant academic research and scientific papers

Intramolecular exchange of coordinated and dangling phosphine groups in pentacarbonyl[(diphenylphosphino)(di-p-tolylphosphino)methane]tungsten(0)

Keiter, Richard L.,Chen, Deliang,Holloway, Geoffrey A.,Keiter, Ellen A.,Zang, Yi,Huml, M. Todd,Filley, Jonathan,Brandt, Douglas E.

, p. 4619 - 4622 (2012/07/27)

Equilibrium constants and rates have been determined for the isomerization of the linkage isomers (OC)5W[κ1-PPh 2CH2P(p-tolyl)2] (5) and (OC) 5W[κ1-P(p-tolyl)2CH2PPh 2] (6). It is proposed that this intramolecular exchange involves a nucleophilic attack of the pendant phosphine on a cis carbonyl group, followed by ring opening and a 1,2-shift.

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