Cas 1401675-22-6,C21H18ClIN2O2S

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Check Digit Verification of cas no

The CAS Registry Mumber 1401675-22-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,1,6,7 and 5 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1401675-22:
(9*1)+(8*4)+(7*0)+(6*1)+(5*6)+(4*7)+(3*5)+(2*2)+(1*2)=126
126 % 10 = 6
So 1401675-22-6 is a valid CAS Registry Number.

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1401675-22-6Relevant academic research and scientific papers

One-pot synthesis of 4(3H)-quinazolinones from azides, alkynes, anilines, and carbon monoxide

Shen, Yang,Han, Chao,Cai, Shuying,Lu, Ping,Wang, Yanguang

, p. 5671 - 5673 (2012)

A one-pot synthesis of 4(3H)-quinazolinones from terminal alkynes, sulphonyl azide, o-iodoanilines, and carbon monoxide has been developed. This cascade process includes the copper-catalyzed three-component reaction of alkyne, azide and amine, the palladium-catalyzed carbonylation, and the Lewis acid catalyzed hydrolysis of sulfonamide.

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