577959-66-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 577959-66-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,7,7,9,5 and 9 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 577959-66:
(8*5)+(7*7)+(6*7)+(5*9)+(4*5)+(3*9)+(2*6)+(1*6)=241
241 % 10 = 1
So 577959-66-1 is a valid CAS Registry Number.