2,5-Dimethyl-benzidin, also known as 2,5-dimethylbenzidine, is an organic compound with the chemical formula C14H14N2. It is a derivative of benzidine, a well-known carcinogenic aromatic amine, and is characterized by the presence of two methyl groups attached to the benzene ring. 2,5-Dimethyl-benzidin is used as an intermediate in the synthesis of various dyes, pigments, and other chemical products. Due to its potential health risks, including its carcinogenic properties, the use of 2,5-dimethyl-benzidin and related compounds is subject to strict regulations in many countries.
The CAS Registry Mumber 2528-69-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,5,2 and 8 respectively; the second part has 2 digits, 6 and 9 respectively. Calculate Digit Verification of CAS Registry Number 2528-69: (6*2)+(5*5)+(4*2)+(3*8)+(2*6)+(1*9)=90 90 % 10 = 0 So 2528-69-0 is a valid CAS Registry Number.