189286-20-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 189286-20-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,2,8 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 189286-20:
(8*1)+(7*8)+(6*9)+(5*2)+(4*8)+(3*6)+(2*2)+(1*0)=182
182 % 10 = 2
So 189286-20-2 is a valid CAS Registry Number.