1189801-28-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1189801-28-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,9,8,0 and 1 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1189801-28:
(9*1)+(8*1)+(7*8)+(6*9)+(5*8)+(4*0)+(3*1)+(2*2)+(1*8)=182
182 % 10 = 2
So 1189801-28-2 is a valid CAS Registry Number.