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214551-57-2

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214551-57-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 214551-57-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,4,5,5 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 214551-57:
(8*2)+(7*1)+(6*4)+(5*5)+(4*5)+(3*1)+(2*5)+(1*7)=112
112 % 10 = 2
So 214551-57-2 is a valid CAS Registry Number.

214551-57-2Relevant articles and documents

Synthesis of 5-Amino-l,2,3,4-tetrahydrobenzo[b][1,7]naphthyridines and 2,3,4,4a,5,6-Hexahydrobenzo[c][2,6]naphthyridines

Del Giudice, Maria Rosaria,Mustazza, Carlo,Ferretti, Rosella,Borioni, Anna,Gatta, Franco

, p. 915 - 922 (2007/10/03)

This paper describes the synthesis of some 5-amino-l,2,3,4-tetrahydrobenzo[b][1,7]naphthyridines and 2,3,4,4a,5,6-hexahydrobenzo[c][2,6] naphthyridines starting from anilines and l-benzyl-4-ethoxycarbonylpiperidin-3-one. The compounds were prepared in order to study their potential acetylcholinesterase inhibitory activity.

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