804445-12-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 804445-12-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,0,4,4,4 and 5 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 804445-12:
(8*8)+(7*0)+(6*4)+(5*4)+(4*4)+(3*5)+(2*1)+(1*2)=143
143 % 10 = 3
So 804445-12-3 is a valid CAS Registry Number.