11-chloro-4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11-cetanfluoro-1-hendecanol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 156540-44-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,5,4 and 0 respectively; the second part has 2 digits, 4 and 4 respectively. Calculate Digit Verification of CAS Registry Number 156540-44: (8*1)+(7*5)+(6*6)+(5*5)+(4*4)+(3*0)+(2*4)+(1*4)=132 132 % 10 = 2 So 156540-44-2 is a valid CAS Registry Number.