805-33-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 805-33-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,0 and 5 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 805-33:
(5*8)+(4*0)+(3*5)+(2*3)+(1*3)=64
64 % 10 = 4
So 805-33-4 is a valid CAS Registry Number.