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5443-23-2

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5443-23-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5443-23-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,4,4 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 5443-23:
(6*5)+(5*4)+(4*4)+(3*3)+(2*2)+(1*3)=82
82 % 10 = 2
So 5443-23-2 is a valid CAS Registry Number.

5443-23-2Relevant articles and documents

A novel protocol for the one-pot borylation/Suzuki reaction provides easy access to hinge-binding groups for kinase inhibitors

Hooper,Zambon,Springer

, p. 963 - 969 (2016/01/15)

The one-pot borylation/Suzuki reaction is a very efficient means of accessing cross-coupling products of two aryl-halide partners that generally requires the use of specific catalysts or ligands and/or relatively long reaction times. This new microwave-assisted method provides a quick one-pot borylation/Suzuki reaction protocol that we applied to the synthesis of various bi- or poly-aryl scaffolds, including a variety of aryl and heteroaryl ring systems and the core frameworks of kinase inhibitors vemurafenib and GDC-0879.

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