5122-11-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5122-11-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,1,2 and 2 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 5122-11:
(6*5)+(5*1)+(4*2)+(3*2)+(2*1)+(1*1)=52
52 % 10 = 2
So 5122-11-2 is a valid CAS Registry Number.