52197-70-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52197-70-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,1,9 and 7 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 52197-70:
(7*5)+(6*2)+(5*1)+(4*9)+(3*7)+(2*7)+(1*0)=123
123 % 10 = 3
So 52197-70-3 is a valid CAS Registry Number.