Cas 1620657-42-2,C<sub>23</sub>H<sub>24</sub>Si

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Check Digit Verification of cas no

The CAS Registry Mumber 1620657-42-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,0,6,5 and 7 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1620657-42:
(9*1)+(8*6)+(7*2)+(6*0)+(5*6)+(4*5)+(3*7)+(2*4)+(1*2)=152
152 % 10 = 2
So 1620657-42-2 is a valid CAS Registry Number.

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1620657-42-2Relevant academic research and scientific papers

Silylative cyclopropanation of allyl phosphates with silylboronates

Shintani, Ryo,Fujie, Ryuhei,Takeda, Momotaro,Nozaki, Kyoko

, p. 6546 - 6549 (2014)

A potassium-bis(trimethylsilyl)amide-mediated cyclopropanation of allyl phosphates with silylboronates has been developed. Unlike the reported copper-catalyzed allylic substitution reactions, the nucleophile selectively attacks at the β-position of the allylic substrates under the present reaction conditions. The mechanism of this process has also been investigated, thus indicating the involvement of a silylpotassium species as the active nucleophilic component.

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