Cas 437606-44-5,2,5-diphenyl-3-thiophenecarbonitrile

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Check Digit Verification of cas no

The CAS Registry Mumber 437606-44-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,7,6,0 and 6 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 437606-44:
(8*4)+(7*3)+(6*7)+(5*6)+(4*0)+(3*6)+(2*4)+(1*4)=155
155 % 10 = 5
So 437606-44-5 is a valid CAS Registry Number.

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437606-44-5Relevant articles and documents

Practical synthesis of aromatic nitriles via gallium-catalysed electrophilic cyanation of aromatic C-H bonds

Okamoto, Kazuhiro,Watanabe, Masahito,Murai, Masahito,Hatano, Ryo,Ohe, Kouichi

supporting information; experimental part, p. 3127 - 3129 (2012/04/23)

A gallium-catalysed, direct cyanation reaction of aromatic and heteroaromatic C-H bonds with cyanogen bromide was developed as a practical synthetic method for the preparation of aromatic nitriles. The Royal Society of Chemistry 2012.

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437606-44-5