2233-93-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2233-93-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,3 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 2233-93:
(6*2)+(5*2)+(4*3)+(3*3)+(2*9)+(1*3)=64
64 % 10 = 4
So 2233-93-4 is a valid CAS Registry Number.