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31206-13-0

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31206-13-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31206-13-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,2,0 and 6 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 31206-13:
(7*3)+(6*1)+(5*2)+(4*0)+(3*6)+(2*1)+(1*3)=60
60 % 10 = 0
So 31206-13-0 is a valid CAS Registry Number.

31206-13-0Relevant articles and documents

Synthesis of bis (ether nitrile)s and bis (ether acid)s from simple aromatic diols by meta-fluoro displacement from 3-fluorobenzonitrile

Eastmond, Geoffrey C.,Paprotny, Jerzy

, p. 1321 - 1326 (2007/10/03)

There is interest in synthesizing bis(ether acid)s and related compounds to use as monomers in order to prepare processable aromatic polymers, such as poly(ether amide)s and poly(ether ester)s. We have now found that it is possible to prepare efficiently

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