Cas 18406-52-5,Phosphine, phenylbis[(trimethylsilyl)methyl]-

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Check Digit Verification of cas no

The CAS Registry Mumber 18406-52-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,4,0 and 6 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 18406-52:
(7*1)+(6*8)+(5*4)+(4*0)+(3*6)+(2*5)+(1*2)=105
105 % 10 = 5
So 18406-52-5 is a valid CAS Registry Number.

18406-52-5Upstream product

18406-52-5Downstream Products

1239097-59-6 {(Me₃Si)CH₂}2P(BH₃)Ph

18406-52-5Relevant academic research and scientific papers

Synthesis, structure, and solution behavior of a phosphine-borane- stabilized 1,3-dicarbanion

Izod, Keith,Wills, Corinne,Clegg, William,Harrington, Ross W.

experimental part, p. 4774 - 4777 (2011/01/07)

The reaction between the phosphine-borane {(Me3Si)CH 2}2P(BH3)Ph (2) and 2 equiv of n-BuLi in THF yields the 1,3-dicarbanion complex (THF)2Li{(Me3SiCH) 2P(BH3)Ph}Li(THF)3 (3), which crystallizes as an unusual contact ion pair. In solution 3 is subject to dynamic exchange which interconverts the two lithium environments.

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