250577-66-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 250577-66-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,0,5,7 and 7 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 250577-66:
(8*2)+(7*5)+(6*0)+(5*5)+(4*7)+(3*7)+(2*6)+(1*6)=143
143 % 10 = 3
So 250577-66-3 is a valid CAS Registry Number.