403-88-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 403-88-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,0 and 3 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 403-88:
(5*4)+(4*0)+(3*3)+(2*8)+(1*8)=53
53 % 10 = 3
So 403-88-3 is a valid CAS Registry Number.