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Azoxybenzene-4,4'-disulphonamide, also known as 4,4'-Azoxybenzene-4,4'-disulfonamide, is a chemical compound with the molecular formula C12H12N4O6S2. It is an azo compound derived from azoxybenzene, which is a colorless crystalline solid. Azoxybenzene-4,4'-disulphonamide is characterized by the presence of an azo group (-N=N-) and two sulphonyl groups (-SO2-) attached to the benzene rings. Azoxybenzene-4,4'-disulphonamide is used in various applications, including as an intermediate in the synthesis of dyes and pigments, as well as in the production of pharmaceuticals. Due to its chemical structure, it exhibits unique properties such as solubility in water and organic solvents, and it plays a significant role in the chemical industry.

5187-79-1

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5187-79-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5187-79-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,1,8 and 7 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5187-79:
(6*5)+(5*1)+(4*8)+(3*7)+(2*7)+(1*9)=111
111 % 10 = 1
So 5187-79-1 is a valid CAS Registry Number.

5187-79-1Relevant academic research and scientific papers

Kinetics and Mechanism of Oxidation of Sulphanilamide, Sodium Sulphacetamide, Sulphasomidine, Sulphaguanidine, Sulphadiazine, Sulphapyridine and Sulphamethiazole by Peroxydisulphate Ion

Srivastava, S. P.,Mittal, A. K.,Gupta, V. K.

, p. 806 - 809 (2007/10/02)

The kinetics of oxidation of seven sulpha drugs, viz. sulphanilamide, sodium sulphacetamide, sulphasomidine, sulphaguanidine, sulphadiazine, sulphapyridine and sulphamethazole by peroxydisulphate ion have been followed iodometrically.The reaction follow second order kinetics, first order in each reactant.The salt effect is found to be of primary linear type.The reaction is very sensitive to pH and the rate increases with increase in pH and becomes constant after a certain value of pH in each case.The rate decreases with decrease in the dielectric constant of the medium, and the plot between log k2 and D-1 is linear.Reaction is appreciably inhibited by the presence of diphenyl picryl hydrazyl (DPPH).The product of oxidation characterised in each case is the corresponding azoxybenzene derivative.The various thermodynamic parameters are reported.A suitable mechanism involving free radicals has been proposed and the corresponding rate law derived.

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