11,11,12,12,13,13,14,14,15,15,16,16,16-tridecafluoro-hexadecanoic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 187867-08-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,8,6 and 7 respectively; the second part has 2 digits, 0 and 8 respectively. Calculate Digit Verification of CAS Registry Number 187867-08: (8*1)+(7*8)+(6*7)+(5*8)+(4*6)+(3*7)+(2*0)+(1*8)=199 199 % 10 = 9 So 187867-08-9 is a valid CAS Registry Number.