97115-97-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97115-97-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,1,1 and 5 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 97115-97:
(7*9)+(6*7)+(5*1)+(4*1)+(3*5)+(2*9)+(1*7)=154
154 % 10 = 4
So 97115-97-4 is a valid CAS Registry Number.