97345-74-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97345-74-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,3,4 and 5 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 97345-74:
(7*9)+(6*7)+(5*3)+(4*4)+(3*5)+(2*7)+(1*4)=169
169 % 10 = 9
So 97345-74-9 is a valid CAS Registry Number.