81403-86-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81403-86-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,4,0 and 3 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 81403-86:
(7*8)+(6*1)+(5*4)+(4*0)+(3*3)+(2*8)+(1*6)=113
113 % 10 = 3
So 81403-86-3 is a valid CAS Registry Number.