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111471-40-0

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111471-40-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111471-40-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,4,7 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 111471-40:
(8*1)+(7*1)+(6*1)+(5*4)+(4*7)+(3*1)+(2*4)+(1*0)=80
80 % 10 = 0
So 111471-40-0 is a valid CAS Registry Number.

111471-40-0Downstream Products

111471-40-0Relevant articles and documents

Lewis acid activation of pyridines for nucleophilic aromatic substitution and conjugate addition

Abou-Shehada, Sarah,Teasdale, Matthew C.,Bull, Steven D.,Wade, Charles E.,Williams, Jonathan M. J.

, p. 1083 - 1087 (2015)

A clean, mild and sustainable method for the functionalization of pyridines and their analogues is reported. A zinc-based Lewis acid is used to activate pyridine and its analogues towards nucleophilic aromatic substitution, conjugate addition, and cyclization reactions by binding to the nitrogen on the pyridine ring and activating the pyridine ring core towards further functionalization.

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