864-40-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 864-40-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,6 and 4 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 864-40:
(5*8)+(4*6)+(3*4)+(2*4)+(1*0)=84
84 % 10 = 4
So 864-40-4 is a valid CAS Registry Number.