197512-66-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197512-66-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,5,1 and 2 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 197512-66:
(8*1)+(7*9)+(6*7)+(5*5)+(4*1)+(3*2)+(2*6)+(1*6)=166
166 % 10 = 6
So 197512-66-6 is a valid CAS Registry Number.