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63812-16-8

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63812-16-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 63812-16-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,8,1 and 2 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 63812-16:
(7*6)+(6*3)+(5*8)+(4*1)+(3*2)+(2*1)+(1*6)=118
118 % 10 = 8
So 63812-16-8 is a valid CAS Registry Number.

63812-16-8Downstream Products

63812-16-8Relevant articles and documents

EFFECT OF THE NATURE OF THE LEAVING GROUP IN REACTIONS OF 2-X-N-ETHYLPYRIDINIUM SALTS WITH AMINES IN ACETONITRILE

Titskii, G. D.,Mitchenko, E. S.

, p. 1949 - 1954 (2007/10/02)

The rate-determining stage in the nucleophilic substitution reactions of 2-X-N-ethylpyridinium salts with piperidine in acetonitrile changes, depending on the nature of the leaving group X.In the case where X = Hlg the controlling stage is the formation of the C-N bond.When X = 4-NO2C6H4O3, 3,4-(NO2)2C6H3O, and 2,6-(NO2)2C6H3O, nucleophilic substitution at the carbon atom is controlled by cleavage of the C-X bond.Nucleophilic substitution at a carbon atom of the benzene ring predominates in the reaction of 2-(2,4-dinitrophenoxy)-N-ethylpyridinium salt with piperidine.

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