521093-97-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 521093-97-0 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 3 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 521093-97:
(8*5)+(7*2)+(6*1)+(5*0)+(4*9)+(3*3)+(2*9)+(1*7)=130
130 % 10 = 0
So 521093-97-0 is a valid CAS Registry Number.