Benzenamine,
4,4'-(1,2,3,4-tetrafluoro-1,3-butadiene-1,4-diyl)bis[N,N-dimethyl-, (E,E)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 67309-68-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,3,0 and 9 respectively; the second part has 2 digits, 6 and 8 respectively. Calculate Digit Verification of CAS Registry Number 67309-68: (7*6)+(6*7)+(5*3)+(4*0)+(3*9)+(2*6)+(1*8)=146 146 % 10 = 6 So 67309-68-6 is a valid CAS Registry Number.