189165-79-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 189165-79-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,1,6 and 5 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 189165-79:
(8*1)+(7*8)+(6*9)+(5*1)+(4*6)+(3*5)+(2*7)+(1*9)=185
185 % 10 = 5
So 189165-79-5 is a valid CAS Registry Number.