56513-56-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56513-56-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,5,1 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 56513-56:
(7*5)+(6*6)+(5*5)+(4*1)+(3*3)+(2*5)+(1*6)=125
125 % 10 = 5
So 56513-56-5 is a valid CAS Registry Number.