56403-71-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56403-71-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,4,0 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 56403-71:
(7*5)+(6*6)+(5*4)+(4*0)+(3*3)+(2*7)+(1*1)=115
115 % 10 = 5
So 56403-71-5 is a valid CAS Registry Number.