N4,N4,N4',N4'-tetramethyl-N1,N1'-(2,2,5,5-tetramethyl-3,4-dithia-hexane-1,6-diyl)-bis-benzene-1,4-diamine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
CAS DataBase Reference:N4,N4,N4',N4'-tetramethyl-N1,N1'-(2,2,5,5-tetramethyl-3,4-dithia-hexane-1,6-diyl)-bis-benzene-1,4-diamine(CAS DataBase Reference)
The CAS Registry Mumber 57443-11-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,4,4 and 3 respectively; the second part has 2 digits, 1 and 1 respectively. Calculate Digit Verification of CAS Registry Number 57443-11: (7*5)+(6*7)+(5*4)+(4*4)+(3*3)+(2*1)+(1*1)=125 125 % 10 = 5 So 57443-11-5 is a valid CAS Registry Number.