2-Propanol,
1-chloro-3-[(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)amino]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 139978-10-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,9,7 and 8 respectively; the second part has 2 digits, 1 and 0 respectively. Calculate Digit Verification of CAS Registry Number 139978-10: (8*1)+(7*3)+(6*9)+(5*9)+(4*7)+(3*8)+(2*1)+(1*0)=182 182 % 10 = 2 So 139978-10-2 is a valid CAS Registry Number.