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1644630-66-9

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1644630-66-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1644630-66-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,4,4,6,3 and 0 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1644630-66:
(9*1)+(8*6)+(7*4)+(6*4)+(5*6)+(4*3)+(3*0)+(2*6)+(1*6)=169
169 % 10 = 9
So 1644630-66-9 is a valid CAS Registry Number.

1644630-66-9Relevant articles and documents

Kinetic study on aminolysis of 4-chloro-2-nitrophenyl X-substituted-benzoates in Acetonitrile and in 80 mol % H2O/20 mol % DMSO: Effect of medium on reactivity and reaction mechanism

Kim, Ha-Ram,Um, Tae-Il,Kim, Min-Young,Um, Ik-Hwan

, p. 1128 - 1132 (2014/05/06)

A kinetic study on aminolysis of 4-chloro-2-nitrophenyl X-substituted-benzoates (6a-i) in MeCN is reported. The Hammett plot for the reactions of 6a-i with piperidine consists of two intersecting straight lines, while the Yukawa-Tsuno plot exhibits an exc

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