804427-66-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 804427-66-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,0,4,4,2 and 7 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 804427-66:
(8*8)+(7*0)+(6*4)+(5*4)+(4*2)+(3*7)+(2*6)+(1*6)=155
155 % 10 = 5
So 804427-66-5 is a valid CAS Registry Number.