4481-22-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4481-22-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,8 and 1 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4481-22:
(6*4)+(5*4)+(4*8)+(3*1)+(2*2)+(1*2)=85
85 % 10 = 5
So 4481-22-5 is a valid CAS Registry Number.