5197-25-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5197-25-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,1,9 and 7 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5197-25:
(6*5)+(5*1)+(4*9)+(3*7)+(2*2)+(1*5)=101
101 % 10 = 1
So 5197-25-1 is a valid CAS Registry Number.