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Pyridine, 2-chloro-6-[2-(diphenylphosphino)phenyl]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

557111-97-4

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557111-97-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 557111-97-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,5,7,1,1 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 557111-97:
(8*5)+(7*5)+(6*7)+(5*1)+(4*1)+(3*1)+(2*9)+(1*7)=154
154 % 10 = 4
So 557111-97-4 is a valid CAS Registry Number.

557111-97-4Downstream Products

557111-97-4Relevant academic research and scientific papers

First regioselective ortho-lithiation induced by a 2-chloropyridyl group complexation

Fort, Yves,Rodriguez, Alain L.

, p. 4918 - 4922 (2003)

It is shown that t-BuLi in Et2O promotes an exclusive regioselective metalation of 2-aryl-6-chloropyridine compounds at the aromatic ortho position demonstrating that the 2-chloropyridyl moiety may be considered as a directing group. This funct

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