4804-23-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4804-23-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,8,0 and 4 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4804-23:
(6*4)+(5*8)+(4*0)+(3*4)+(2*2)+(1*3)=83
83 % 10 = 3
So 4804-23-3 is a valid CAS Registry Number.