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32650-52-5

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32650-52-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 32650-52-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,6,5 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 32650-52:
(7*3)+(6*2)+(5*6)+(4*5)+(3*0)+(2*5)+(1*2)=95
95 % 10 = 5
So 32650-52-5 is a valid CAS Registry Number.

32650-52-5Relevant articles and documents

Synthesis of Polynitro Compounds. Peroxydisulfuric Acid Oxidation of Polynitroarylamines to Polynitro Aromatics.

Nielsen, Arnold T.,Atkins, Ronald L.,Norris, William P.,Coon, Clifford L.,Sitzmann, Michael E.

, p. 2341 - 2347 (2007/10/02)

Peroxydisulfuric acid in sulfuric acid solution, prepared by reaction of hydrogen peroxide with excess oleum or 100percent H2SO4, oxidizes primary polynitroarylamines and their N-acetamido derivatives to polynitro aromatics in good to excellent yields.The new procedure is illustrated by the synthesis of several new polynitro compounds, not preparable by known synthetic methods.Peroxytrifluoromethanesulfonic acid is comparably efficient for such oxidations.The scope and limitations of the new reaction have been examined and compared to other methods of synthesis of polynitro compounds.

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