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102434-87-7

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102434-87-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 102434-87-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,4,3 and 4 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 102434-87:
(8*1)+(7*0)+(6*2)+(5*4)+(4*3)+(3*4)+(2*8)+(1*7)=87
87 % 10 = 7
So 102434-87-7 is a valid CAS Registry Number.

102434-87-7Downstream Products

102434-87-7Relevant articles and documents

Relative Reactivities of Alkyl-Substituted Alkenes and Cycloalkenes towards Diarylcarbenium Ions

Mayr, Herbert,Pock, Rudolf

, p. 2473 - 2496 (2007/10/02)

The relative reactivities of alkyl-substituted alkenes 4 towards diarylmethyl cations 2 generated in situ from diarylmethyl chlorides 1 and Lewis acids were determined by competition experiments.The relative reactivities were almost independent of the nature of the Lewis acid. Eventual differences of the solvation free enthalpies of various activated complexes are, therefore, independent of the nature of the gegen ions.The rate acceleration by methyl groups - 6-50 by CH3 at the attacked vinylic position and approximately 104 at the developing carbenium centre - indicates a scarcely bridged transition state.

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