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52559-13-4

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52559-13-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 52559-13-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,5,5 and 9 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 52559-13:
(7*5)+(6*2)+(5*5)+(4*5)+(3*9)+(2*1)+(1*3)=124
124 % 10 = 4
So 52559-13-4 is a valid CAS Registry Number.

52559-13-4Upstream product

52559-13-4Downstream Products

52559-13-4Relevant articles and documents

Regioselectivity of the Amination of Some 3-Nitropyridines by Liquid Ammonia / Potassium Permanganate

Wozniak, Marian,Baranski, Andrzej,Szpakiewicz, Barbara

, p. 875 - 878 (2007/10/02)

3-Nitropyridine and some of its derivatives are aminated in a liquid ammonia solution of potassium permanganate to the corresponding 2- and (or) 4- and (or) 6-amino compounds.Quantumchemical calculations for a few 3-nitropyridines suggest that the experimentally observed regioselectivity of the amination is controlled by Coulombic interaction. --- Key Words: Amination / Nitropyridines / Reactivity indices / Calculations, MNDO

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