N-(2-Chlorophenyl)-2,4,5-trichloro-benzenesulfonamide, also known as 2-chloro-N-(2,4,5-trichlorophenyl)benzenesulfonamide, is a chemical compound with the molecular formula C12H6Cl4NO2S. It is a derivative of benzenesulfonamide, featuring a 2-chlorophenyl group attached to the nitrogen atom and three chlorine atoms on the benzene ring at the 2, 4, and 5 positions. N-<2-Chlor-phenyl>-2.4.5-trichlor-benzolsulfonsaeureamid is characterized by its potential use as an intermediate in the synthesis of various pharmaceuticals and agrochemicals, particularly those with biocidal properties. Its chemical structure and properties make it a versatile building block in the development of new compounds with specific target activities.
The CAS Registry Mumber 4821-33-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,8,2 and 1 respectively; the second part has 2 digits, 3 and 3 respectively. Calculate Digit Verification of CAS Registry Number 4821-33: (6*4)+(5*8)+(4*2)+(3*1)+(2*3)+(1*3)=84 84 % 10 = 4 So 4821-33-4 is a valid CAS Registry Number.