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82725-12-0

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82725-12-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82725-12-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,7,2 and 5 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 82725-12:
(7*8)+(6*2)+(5*7)+(4*2)+(3*5)+(2*1)+(1*2)=130
130 % 10 = 0
So 82725-12-0 is a valid CAS Registry Number.

82725-12-0Relevant articles and documents

IMINATION OF SULFUR-CONTAINING COMPOUNDS. XIX. ARYLSULFONYLIMINATION OF DIBENZOYLMETHYL ARYL SULFIDES

Koval', I. V.,Andrushchenko, V. V.,Kremlev, M. M.

, p. 730 - 734 (2007/10/02)

The reaction of the sodiochloroamides of sulfonic acids with dibenzoylmethyl aryl sulfides (I) leads to the formation of dibenzoyl(arylsulfonylamino)methyl aryl sulfides, and this results from imination of compounds (I) at the sulfur atom and subsequent transformation of the N-arylsulfonyldibenzoylmethylarylsulfimides which form.The ease of imination of compounds (I) by the sodiochloroamines of sulfonic acids is obviously due to the ability of these compounds to dissociate in polar solvents with the formation of the mesomeric anion of the dibenzoylmethyl aryl sulfide, in which the nucleophilicity of the sulfur is enhanced on account of displacement of electronic charge from the carbon atom.

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