1,1,2-trifluoro-2-(1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12-tetracosafluoro-dodecyloxy)-ethene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 811803-29-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,1,8,0 and 3 respectively; the second part has 2 digits, 2 and 9 respectively. Calculate Digit Verification of CAS Registry Number 811803-29: (8*8)+(7*1)+(6*1)+(5*8)+(4*0)+(3*3)+(2*2)+(1*9)=139 139 % 10 = 9 So 811803-29-9 is a valid CAS Registry Number.