50805-77-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50805-77-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,8,0 and 5 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 50805-77:
(7*5)+(6*0)+(5*8)+(4*0)+(3*5)+(2*7)+(1*7)=111
111 % 10 = 1
So 50805-77-1 is a valid CAS Registry Number.