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1603837-64-4

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1603837-64-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1603837-64-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,3,8,3 and 7 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1603837-64:
(9*1)+(8*6)+(7*0)+(6*3)+(5*8)+(4*3)+(3*7)+(2*6)+(1*4)=164
164 % 10 = 4
So 1603837-64-4 is a valid CAS Registry Number.

1603837-64-4Downstream Products

1603837-64-4Relevant articles and documents

Arylative cyclization of 2-isocyanobiphenyls with anilines: One-pot synthesis of 6-arylphenanthridines via competitive reaction pathways

Xia, Zhonghua,Huang, Jinbo,He, Yimiao,Zhao, Jiaji,Lei, Jian,Zhu, Qiang

, p. 2546 - 2549 (2014/05/20)

A transition-metal-free method for the synthesis of C6 phenanthridine derivatives by arylative cyclization of 2-isocyanobiphenyls with arylamines in one pot was developed. Mechanistic studies suggest that electrophilic aromatic substitution (SEAr) of a nitrilium intermediate and homolytic aromatic substitution (HAS) of an imidoyl radical intermediate are two competitive reaction pathways involved in the annulation step.

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