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113674-76-3

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113674-76-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 113674-76-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,6,7 and 4 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 113674-76:
(8*1)+(7*1)+(6*3)+(5*6)+(4*7)+(3*4)+(2*7)+(1*6)=123
123 % 10 = 3
So 113674-76-3 is a valid CAS Registry Number.

113674-76-3Downstream Products

113674-76-3Relevant articles and documents

Ionic liquid enabled sulfamoylation of arenes: An ambient, expeditious and regioselective protocol for aryl sulfonamides

Naik, Prashant U.,Harjani, Jitendra R.,Nara, Susheel J.,Salunkhe, Manikrao M.

, p. 1933 - 1936 (2007/10/03)

The ionic liquid, 1-butyl-3-methylimidazolium chloroaluminate, [bmim]Cl·AlCl3, N=0.67 mediated syntheses of aromatic sulfonamides via electrophilic substitution of arenes is reported. The protocol serves as a distinctly expeditious and ambient route towards the syntheses of these pharmaceutically useful compounds, yielding quantitative conversions at room temperature within 5-30min in most of the cases. The Lewis acidity and molar stoichiometry of the ionic liquid influences the extent of conversion. The method has been used for the syntheses of a diverse range of sulfonamides by variation of arenes and sulfamoyl chlorides. With monosubstituted benzenes, the protocol offers an added advantage of exclusive selectivity towards the formation of para substituted sulfonamides over the ortho products.

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