521092-40-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 521092-40-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,2,1,0,9 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 521092-40:
(8*5)+(7*2)+(6*1)+(5*0)+(4*9)+(3*2)+(2*4)+(1*0)=110
110 % 10 = 0
So 521092-40-0 is a valid CAS Registry Number.