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158342-33-7

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158342-33-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 158342-33-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,3,4 and 2 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 158342-33:
(8*1)+(7*5)+(6*8)+(5*3)+(4*4)+(3*2)+(2*3)+(1*3)=137
137 % 10 = 7
So 158342-33-7 is a valid CAS Registry Number.

158342-33-7Downstream Products

158342-33-7Relevant academic research and scientific papers

Enantioselective synthesis of α-tri- and α-tetrasubstituted allylsilanes by copper-catalyzed asymmetric allylic substitution of allyl phosphates with silylboronates

Takeda, Momotaro,Shintani, Ryo,Hayashi, Tamio

, p. 5007 - 5017 (2013/07/11)

A copper/N-heterocyclic carbene-catalyzed asymmetric allylic substitution of allyl phosphates with a silylboronate has been developed to give highly enantioenriched allylsilanes. High regioselectivity has been achieved by employing NaOH as the base, and this catalyst system is effective for both γ-mono- and disubstituted allyl phosphates.

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