577766-28-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 577766-28-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,7,7,7,6 and 6 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 577766-28:
(8*5)+(7*7)+(6*7)+(5*7)+(4*6)+(3*6)+(2*2)+(1*8)=220
220 % 10 = 0
So 577766-28-0 is a valid CAS Registry Number.