729580-53-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 729580-53-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,9,5,8 and 0 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 729580-53:
(8*7)+(7*2)+(6*9)+(5*5)+(4*8)+(3*0)+(2*5)+(1*3)=194
194 % 10 = 4
So 729580-53-4 is a valid CAS Registry Number.