809285-72-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 809285-72-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,0,9,2,8 and 5 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 809285-72:
(8*8)+(7*0)+(6*9)+(5*2)+(4*8)+(3*5)+(2*7)+(1*2)=191
191 % 10 = 1
So 809285-72-1 is a valid CAS Registry Number.