59157-68-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 59157-68-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,9,1,5 and 7 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 59157-68:
(7*5)+(6*9)+(5*1)+(4*5)+(3*7)+(2*6)+(1*8)=155
155 % 10 = 5
So 59157-68-5 is a valid CAS Registry Number.