540490-30-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 540490-30-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,0,4,9 and 0 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 540490-30:
(8*5)+(7*4)+(6*0)+(5*4)+(4*9)+(3*0)+(2*3)+(1*0)=130
130 % 10 = 0
So 540490-30-0 is a valid CAS Registry Number.