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99421-05-3

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99421-05-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99421-05-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,4,2 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 99421-05:
(7*9)+(6*9)+(5*4)+(4*2)+(3*1)+(2*0)+(1*5)=153
153 % 10 = 3
So 99421-05-3 is a valid CAS Registry Number.

99421-05-3Downstream Products

99421-05-3Relevant articles and documents

ARYL RADICALS BY COPPER(II) OXIDATION OF HYDRAZINES: A NEW METHOD FOR THE OXIDATIVE AND REDUCTIVE ARYLATION OF ALKENES

Varea, Teresa,Gonzalez-Nunez, Maria E.,Rodrigo-Chiner, Javier,Asensio, Gregorio

, p. 4709 - 4712 (2007/10/02)

A new source of aryl radicals interesting from the preparative point of view has been found in the reaction of arylhydrazines and copper(II) sulfate.The process allows selectively both the reductive and oxidative arylation of alkenes.

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