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1236162-78-9

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1236162-78-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1236162-78-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,6,1,6 and 2 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1236162-78:
(9*1)+(8*2)+(7*3)+(6*6)+(5*1)+(4*6)+(3*2)+(2*7)+(1*8)=139
139 % 10 = 9
So 1236162-78-9 is a valid CAS Registry Number.

1236162-78-9Downstream Products

1236162-78-9Relevant articles and documents

Formation of α-lithio siloles from silylated 1,4-dilithio-1,3- butadienes: Mechanism and applications

Luo, Qian,Wang, Chao,Gu, Li,Zhang, Wen-Xiong,Xi, Zhenfeng

, p. 1120 - 1128 (2010)

A full account of a useful transformation from silylated 1,4-dili-thio-1,3-butadienes to α-lithio siloles is described. These lithio siloles formed by this procedure are general, in terms of substitution patterns and synthetic methods, affording diversified silole derivatives. Notably, some structurally complex molecules, such as bridged bis-silole compounds, have been synthesized easily and successfully by applying our protocol. The structure of the α-lithio silole, which adopts a dimeric fashion through two lithium bridges, was confirmed by X-ray analysis. Furthermore, a possible mechanism of the skeleton rearrangements via E/Z isomerization of 1-silyl-1-lithio alkene and nucleophilic attack on silicon is proposed, and is also proved by experimental investigations. 2010 Wiley-VCH Verlag GmbH Co. KGaA, Weinheim.

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