191351-66-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 191351-66-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,1,3,5 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 191351-66:
(8*1)+(7*9)+(6*1)+(5*3)+(4*5)+(3*1)+(2*6)+(1*6)=133
133 % 10 = 3
So 191351-66-3 is a valid CAS Registry Number.