2304-03-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2304-03-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,3,0 and 4 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 2304-03:
(6*2)+(5*3)+(4*0)+(3*4)+(2*0)+(1*3)=42
42 % 10 = 2
So 2304-03-2 is a valid CAS Registry Number.