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1402589-44-9

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1402589-44-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1402589-44-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,2,5,8 and 9 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1402589-44:
(9*1)+(8*4)+(7*0)+(6*2)+(5*5)+(4*8)+(3*9)+(2*4)+(1*4)=149
149 % 10 = 9
So 1402589-44-9 is a valid CAS Registry Number.

1402589-44-9Relevant articles and documents

A practical synthesis of a new series of isoflavanones

Liu, Ju Na,Ban, Shu Rong,Xie, Hong Yu,Li, Qing Shan

, p. 907 - 910 (2012/09/10)

A practical six-step synthesis of 12 methylated and hydroxylated isoflavanones was accomplished starting from readily available m-xylene. A significant improvement of this procedure included application of the simple and commercially available reagents, avoidance of expensive reagents and catalysts, simple operations and excellent yields.

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