1159511-20-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1159511-20-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,9,5,1 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1159511-20:
(9*1)+(8*1)+(7*5)+(6*9)+(5*5)+(4*1)+(3*1)+(2*2)+(1*0)=142
142 % 10 = 2
So 1159511-20-2 is a valid CAS Registry Number.