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54718-67-1

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54718-67-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54718-67-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,7,1 and 8 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 54718-67:
(7*5)+(6*4)+(5*7)+(4*1)+(3*8)+(2*6)+(1*7)=141
141 % 10 = 1
So 54718-67-1 is a valid CAS Registry Number.

54718-67-1Downstream Products

54718-67-1Relevant articles and documents

Primary alkyl aminolysis of O-(2,4-dinitrophenyl)-p,p'-disubstituted benzophenone oximes in benzene

Jain, A. K.,Singh, P.,Atray, Neeraj,Sahoo, B. B.

, p. 1047 - 1052 (2007/10/03)

The reaction of three O-aryl oximes ((C6H4X)2C=N-O-C6H3(NO2)2; X=Cl-, F-, CH3O-) with three primary amines (n-butylamine, n-hexylamine and n-dodecylamine) have been studied at different temperatures (20-40 deg C) in benzene.The aminolysis reaction have been found to be base-catalysed with an uncatalytic step and second order in amine.The occurrence of uncatalytic route has been explained due to intramolecular hydrogen bonding of ammonium proton to the oxygen of leaving group which finds support in the low energy of activation observed.The reaction rates decrease in the order BuNH2>HexNH2>DodNH2 which has been explained in the light of steric hindrance.

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