250577-81-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 250577-81-2 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, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 250577-81:
(8*2)+(7*5)+(6*0)+(5*5)+(4*7)+(3*7)+(2*8)+(1*1)=142
142 % 10 = 2
So 250577-81-2 is a valid CAS Registry Number.