663190-22-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 663190-22-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,3,1,9 and 0 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 663190-22:
(8*6)+(7*6)+(6*3)+(5*1)+(4*9)+(3*0)+(2*2)+(1*2)=155
155 % 10 = 5
So 663190-22-5 is a valid CAS Registry Number.