809237-77-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 809237-77-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,0,9,2,3 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 809237-77:
(8*8)+(7*0)+(6*9)+(5*2)+(4*3)+(3*7)+(2*7)+(1*7)=182
182 % 10 = 2
So 809237-77-2 is a valid CAS Registry Number.