Cas 139975-79-4,2-Butanone, 4-(5-bromo-2-methyl-4-nitro-1H-imidazol-1-yl)-

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Check Digit Verification of cas no

The CAS Registry Mumber 139975-79-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,9,7 and 5 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 139975-79:
(8*1)+(7*3)+(6*9)+(5*9)+(4*7)+(3*5)+(2*7)+(1*9)=194
194 % 10 = 4
So 139975-79-4 is a valid CAS Registry Number.

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139975-79-4Relevant academic research and scientific papers

Michael-type addition of azoles of broad-scale acidity to methyl acrylate

Boncel, Slawomir,Saletra, Kinga,Hefczyc, Barbara,Walczak, Krzysztof Z.

supporting information; experimental part, p. 173 - 178 (2011/05/19)

An optimisation of Michael-type addition of azole derivatives of broad-scale acidity - ranging from 5.20 to 15.00 pKa units - namely 4-nitropyrazole, 3,5-dimethyl-4-nitropyrazole, 4(5)-nitroimidazole, 4,5-diphenylimidazole, 4,5-dicyanoimidazole, 2-methyl-

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