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201-71-8

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201-71-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 201-71-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 2,0 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 201-71:
(5*2)+(4*0)+(3*1)+(2*7)+(1*1)=28
28 % 10 = 8
So 201-71-8 is a valid CAS Registry Number.

201-71-8Downstream Products

201-71-8Relevant articles and documents

Electrochemical Reactions. Part 24. Reductive Cyclisation of i-(2-Halogenophenyl)-j-phenyl Compounds: A General Reaction

Grimshaw, James,Hamilton, Robert,Trocha-Grimshaw, Jadwiga

, p. 229 - 234 (2007/10/02)

The phenyl ?-radical formed by reduction of aryl halides in an aprotic solvent undergoes efficient radical substitution on an adjacent benzene ring.Several examples of this cyclisation reaction are given.The reaction is appropriate for the synthesis of 6-membered aromatic rings where the two reacting phenyl groups are held in a cis-configuration by an olefin bond or another aromatic ring.

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