97157-25-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97157-25-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,1,5 and 7 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 97157-25:
(7*9)+(6*7)+(5*1)+(4*5)+(3*7)+(2*2)+(1*5)=160
160 % 10 = 0
So 97157-25-0 is a valid CAS Registry Number.