13220-41-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13220-41-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,2,2 and 0 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 13220-41:
(7*1)+(6*3)+(5*2)+(4*2)+(3*0)+(2*4)+(1*1)=52
52 % 10 = 2
So 13220-41-2 is a valid CAS Registry Number.