97391-70-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97391-70-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,3,9 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 97391-70:
(7*9)+(6*7)+(5*3)+(4*9)+(3*1)+(2*7)+(1*0)=173
173 % 10 = 3
So 97391-70-3 is a valid CAS Registry Number.