174191-66-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 174191-66-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,4,1,9 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 174191-66:
(8*1)+(7*7)+(6*4)+(5*1)+(4*9)+(3*1)+(2*6)+(1*6)=143
143 % 10 = 3
So 174191-66-3 is a valid CAS Registry Number.