97456-39-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97456-39-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,4,5 and 6 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 97456-39:
(7*9)+(6*7)+(5*4)+(4*5)+(3*6)+(2*3)+(1*9)=178
178 % 10 = 8
So 97456-39-8 is a valid CAS Registry Number.