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73197-35-0

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73197-35-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73197-35-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,1,9 and 7 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 73197-35:
(7*7)+(6*3)+(5*1)+(4*9)+(3*7)+(2*3)+(1*5)=140
140 % 10 = 0
So 73197-35-0 is a valid CAS Registry Number.

73197-35-0Downstream Products

73197-35-0Relevant articles and documents

REACTION OF DIPHENYLKETENE N-(p-TOLYL)IMINE WITH CARBOXYLIC ACIDS IN THE PRESENCE OF ARYLAMINES

Mironova, D. F.,Loginova, N. A.

, p. 2344 - 2348 (2007/10/02)

The reaction of diphenylketene p-tolylimine with carboxylic acids in aprotic organic solvents is accelerated by primary arylamines.The reaction rate is described by overall kinetic equation including calalytic and noncatalytic path.Additions of pyridine greatly retard the reaction.The proposal according to which the catalytic reaction takes place through a cyclic transition state, formed from the ketene imine and the complex of the carboxylic acid with the amine, was substantiated.

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