189441-13-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 189441-13-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,4,4 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 189441-13:
(8*1)+(7*8)+(6*9)+(5*4)+(4*4)+(3*1)+(2*1)+(1*3)=162
162 % 10 = 2
So 189441-13-2 is a valid CAS Registry Number.