97115-74-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97115-74-7 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, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 97115-74:
(7*9)+(6*7)+(5*1)+(4*1)+(3*5)+(2*7)+(1*4)=147
147 % 10 = 7
So 97115-74-7 is a valid CAS Registry Number.