82403-86-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82403-86-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,4,0 and 3 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 82403-86:
(7*8)+(6*2)+(5*4)+(4*0)+(3*3)+(2*8)+(1*6)=119
119 % 10 = 9
So 82403-86-9 is a valid CAS Registry Number.