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2055-12-1

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2055-12-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2055-12-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,0,5 and 5 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 2055-12:
(6*2)+(5*0)+(4*5)+(3*5)+(2*1)+(1*2)=51
51 % 10 = 1
So 2055-12-1 is a valid CAS Registry Number.

2055-12-1Upstream product

2055-12-1Relevant articles and documents

From bipyridines to tobacco alkaloids and related compounds

Plaquevent, Jean-Christophe,Chichaoui, Ilhame

, p. 369 - 379 (2007/10/03)

Starting from structural considerations which led to the hypothesis that a chemical relationship could exist between two families of natural compounds (mainly pyridinic and pyrrolidinic alkaloids), experiments were carried out in order to establish a correlation route between the two studied classes. Of special interest was the central position of nicotine in these studies, and the main part of this work was devoted to the synthesis of nicotine starting from bipyridines. It was thus necessary to determine the conditions for selective reactions on one aromatic ring of bipyridines (N-methylation, N-oxidation and reduction of the heterocycle). Ring contraction procedure allowed us to obtain nicotine from the parent compound (3,3′-bipyridine). Complementary studies yielded various isomers of piperidinylpyridines (hexahydro derivatives of bipyridines) in a regiochemically controlled manner by means of original methods. Elsevier,.

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