Cas 122244-57-9,C16H25(2)HSi

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Check Digit Verification of cas no

The CAS Registry Mumber 122244-57-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,2,4 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 122244-57:
(8*1)+(7*2)+(6*2)+(5*2)+(4*4)+(3*4)+(2*5)+(1*7)=89
89 % 10 = 9
So 122244-57-9 is a valid CAS Registry Number.

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122244-57-9Relevant academic research and scientific papers

In Situ Generation of Silylzinc by Si?B Bond Activation Enabling Silylzincation and Silaboration of Terminal Alkynes

Nagashima, Yuki,Yukimori, Daiki,Wang, Chao,Uchiyama, Masanobu

, p. 8053 - 8057 (2018)

A new protocol has been designed for the in situ generation of unstable Si?Zn species through the reaction of dialkylzinc, phosphine, and silylborane (Si?B). Successive reactions with various terminal alkynes using this protocol enabled highly controllable regio-/stereo-/chemoselective silylzincation and silaboration on demand without the need for a transition-metal catalyst.

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