4223-83-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4223-83-0 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 3 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4223-83:
(6*4)+(5*2)+(4*2)+(3*3)+(2*8)+(1*3)=70
70 % 10 = 0
So 4223-83-0 is a valid CAS Registry Number.