197968-25-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197968-25-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,9,6 and 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 197968-25:
(8*1)+(7*9)+(6*7)+(5*9)+(4*6)+(3*8)+(2*2)+(1*5)=215
215 % 10 = 5
So 197968-25-5 is a valid CAS Registry Number.