197-07-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197-07-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,9 and 7 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 197-07:
(5*1)+(4*9)+(3*7)+(2*0)+(1*7)=69
69 % 10 = 9
So 197-07-9 is a valid CAS Registry Number.