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5272-83-3

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5272-83-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5272-83-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,2,7 and 2 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 5272-83:
(6*5)+(5*2)+(4*7)+(3*2)+(2*8)+(1*3)=93
93 % 10 = 3
So 5272-83-3 is a valid CAS Registry Number.

5272-83-3Downstream Products

5272-83-3Relevant articles and documents

Synthesis of symmetrical and unsymmetrical N-aryl-substituted cyclic ureas through copper(I) iodide catalyzed Goldberg-Buchwald-Nandakumar C-N coupling reactions

Lee, Chung-Chieh,Wang, Po-Shih,Viswanath, M. Balaji,Leung, Man-Kit

, p. 1359 - 1366 (2008/12/21)

The catalytic conditions of copper(I) iodide/potassium carbonate/trans-N, N′-dimethylcyclohexane-1,2-diamine, either in toluene at reflux temperature, or by heating neat at 150°C effectively promoted the C-N coupling of aryl bromides with cyclic ureas. By

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