197149-64-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197149-64-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,1,4 and 9 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 197149-64:
(8*1)+(7*9)+(6*7)+(5*1)+(4*4)+(3*9)+(2*6)+(1*4)=177
177 % 10 = 7
So 197149-64-7 is a valid CAS Registry Number.