2,4,4,5,5,7-hexachloro-1,1,3,3,6,6,8,8-octafluoro-octa-1,7-diene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 28925-44-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,9,2 and 5 respectively; the second part has 2 digits, 4 and 4 respectively. Calculate Digit Verification of CAS Registry Number 28925-44: (7*2)+(6*8)+(5*9)+(4*2)+(3*5)+(2*4)+(1*4)=142 142 % 10 = 2 So 28925-44-2 is a valid CAS Registry Number.