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Quinoxaline, 6-chloro-2-(4-nitrophenyl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139436-67-2

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139436-67-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139436-67-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,4,3 and 6 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 139436-67:
(8*1)+(7*3)+(6*9)+(5*4)+(4*3)+(3*6)+(2*6)+(1*7)=152
152 % 10 = 2
So 139436-67-2 is a valid CAS Registry Number.

139436-67-2Downstream Products

139436-67-2Relevant academic research and scientific papers

A convenient approach to the synthesis of quinoxalines from isoxazolones and 1,2-diaminobenzenes

Rao, M Hanmantha,Reddy, A Pandu Ranga,Veeranagaiah, V

, p. 88 - 91 (2007/10/02)

2-Aryl-6,7-(un)substituted-quinoxalines (3a-t) and 2-arylbenzimidazoles (4a-t) have been obtained by condensation of 3-aryl-5(4H)-isoxazolones (1a-e) and 4-(un)substituted-1,2-diaminobenzenes (2a-d) under neutral conditions.The mechanism of their formation is illustrated.

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