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94872-65-8

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94872-65-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94872-65-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,8,7 and 2 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 94872-65:
(7*9)+(6*4)+(5*8)+(4*7)+(3*2)+(2*6)+(1*5)=178
178 % 10 = 8
So 94872-65-8 is a valid CAS Registry Number.

94872-65-8Downstream Products

94872-65-8Relevant articles and documents

Synthesis of quinoxalines through iodine-catalyzed one-pot annulation of alkynes with o-phenylenediamines

Zi, Jing,Gu, Da-Wei,Zhang, Yan,Hu, Zhe-Yao,Zhang, Xing-Quan,Guo, Xun-Xiang

supporting information, p. 915 - 920 (2018/03/21)

The synthesis of N-heterocycles of quinoxalines has been developed by an efficient protocol of one-pot annulation of alkynes with o-phenylenediamines. A variety of quinoxalines were prepared in good to high yields in the presence of catalytic amount of iodine as a catalyst.

Oxidation of alkynes using PdCl2/CuCl2 in PEG as a recyclable catalytic system: One-pot synthesis of quinoxalines

Chandrasekhar,Reddy, N. Kesava,Kumar, V. Praveen

scheme or table, p. 3623 - 3625 (2010/08/13)

Alkynes were oxidized efficiently using the catalytic amount of PdCl 2 and CuCl2 in PEG-400 in the presence of water, providing excellent yields of the corresponding 1,2-diketones. A variety of alkynes were well-suited substrates for the oxidation under the described conditions. Further, the optimized conditions were successfully utilized for the one-pot synthesis of 2,3-disubstituted quinoxaline derivatives.

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