577973-81-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 577973-81-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,7,7,9,7 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 577973-81:
(8*5)+(7*7)+(6*7)+(5*9)+(4*7)+(3*3)+(2*8)+(1*1)=230
230 % 10 = 0
So 577973-81-0 is a valid CAS Registry Number.