12111-59-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12111-59-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,1,1 and 1 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 12111-59:
(7*1)+(6*2)+(5*1)+(4*1)+(3*1)+(2*5)+(1*9)=50
50 % 10 = 0
So 12111-59-0 is a valid CAS Registry Number.