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31983-89-8

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31983-89-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31983-89-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,9,8 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 31983-89:
(7*3)+(6*1)+(5*9)+(4*8)+(3*3)+(2*8)+(1*9)=138
138 % 10 = 8
So 31983-89-8 is a valid CAS Registry Number.

31983-89-8Relevant articles and documents

Synthesis and thermochemical study of quinoxaline-N-oxides: Enthalpies of dissociation of the N-O bond

Viveiros, Miguel L. F.,Freitas, Vera L. S.,Vale, Nuno,Gomes, Jose R. B.,Gomes, Paula,Da Silva, Maria D. M. C. Ribeiro

, p. 420 - 426 (2012)

The synthesis of three new quinoxaline mono-N-oxides derivatives, namely, 2-tert-butoxycarbonyl-3-methylquinoxaline-N-oxide, 2-phenylcarbamoyl-3- ethylquinoxaline-N-oxide, and 2-carbamoyl-3-methylquinoxaline-N-oxide, from their corresponding 1,4-di-N-oxid

Synthesis and antimycobacterial activity of new quinoxaline-2-carboxamide 1,4-di-N-oxide derivatives

Zarranz, Belen,Jaso, Andres,Aldana, Ignacio,Monge, Antonio

, p. 2149 - 2156 (2007/10/03)

As a continuation of our research and with the aim of obtaining new antituberculosis agents which can improve the current chemotherapeutic antituberculosis treatments, new series of quinoxaline-2-carboxamide 1,4-di-N-oxide derivatives were synthesized and

A New Synthesis of 2,3-Disubstituted Quinoxaline 1,4-Dioxide Catalyzed by Molecular Sieves

Takabatake, Tohru,Hasegawa, Minoru

, p. 529 - 530 (2007/10/02)

The syntheses of 2,3-disubstituted quinoxaline 1,4-dioxides are smoothly and efficiently carried out by the adsorption of the components on molecular sieve 3A (powder) from benzofuroxan 1 and 1,3-diketones, 3-oxoalkanoic esters, or 3-oxoalkanamides 2.

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