1,10-Diphenyl-3,3,4,4,5,5,6,6,7,7,8,8-dodecafluordecadi-1,9-in is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 55009-89-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,0,0 and 9 respectively; the second part has 2 digits, 8 and 9 respectively. Calculate Digit Verification of CAS Registry Number 55009-89: (7*5)+(6*5)+(5*0)+(4*0)+(3*9)+(2*8)+(1*9)=117 117 % 10 = 7 So 55009-89-7 is a valid CAS Registry Number.