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113419-02-6

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113419-02-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 113419-02-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,4,1 and 9 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 113419-02:
(8*1)+(7*1)+(6*3)+(5*4)+(4*1)+(3*9)+(2*0)+(1*2)=86
86 % 10 = 6
So 113419-02-6 is a valid CAS Registry Number.

113419-02-6Relevant articles and documents

Electrochemistry of Organic Cations. V. Synthesis of 3,10-Diaza-tricyclo2,6>dodeca-4,8-diene Derivatives by a Two-Step Electrochemical Reduction of Pyridinium Ions

Pragst, F.,Koeppel, H.,Walkhoff, E.,Boche, E.

, p. 665 - 674 (2007/10/02)

A series of 1-substituted 2,4,6-trimethylpyridinium ions 1a-1k is cathodically dimerized in alkaline medium.The bis--derivatives 2 obtained or their isomers 4 are submitted to a further cathodic reduction in aqueous acetic acid at mercury or lead electrodes to form 3,10-diaza-tricyclo2,6>dodeca-4,8-dienes 6 by an intramolecular coupling reaction between the 2- and 2'-carbon atoms of the dihydropyridine rings.Depending on R1 the yields of 6 are 65-80percent (R1 = alkyl or substituted alkyl) or 3,5-5percent (R1 = aryl).

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