577960-69-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 577960-69-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,7,7,9,6 and 0 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 577960-69:
(8*5)+(7*7)+(6*7)+(5*9)+(4*6)+(3*0)+(2*6)+(1*9)=221
221 % 10 = 1
So 577960-69-1 is a valid CAS Registry Number.