4228-12-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4228-12-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,2 and 8 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4228-12:
(6*4)+(5*2)+(4*2)+(3*8)+(2*1)+(1*2)=70
70 % 10 = 0
So 4228-12-0 is a valid CAS Registry Number.