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494777-67-2

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494777-67-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 494777-67-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,4,7,7 and 7 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 494777-67:
(8*4)+(7*9)+(6*4)+(5*7)+(4*7)+(3*7)+(2*6)+(1*7)=222
222 % 10 = 2
So 494777-67-2 is a valid CAS Registry Number.

494777-67-2Relevant articles and documents

Specific N-Alkylation of Hydroxypyridines Achieved by a Catalyst- and Base-Free Reaction with Organohalides

Feng, Bin,Li, Yang,Li, Huan,Zhang, Xu,Xie, Huamei,Cao, Hongen,Yu, Lei,Xu, Qing

, p. 6769 - 6775 (2018)

A specific N-alkylation of 2-hydroxypyridines is achieved by reacting with organohalides under catalyst- and base-free conditions. The observed HX-facilitated conversion of pyridyl ether intermediates to 2-pyridone products may account for the success and

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