863980-86-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 863980-86-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,3,9,8 and 0 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 863980-86:
(8*8)+(7*6)+(6*3)+(5*9)+(4*8)+(3*0)+(2*8)+(1*6)=223
223 % 10 = 3
So 863980-86-3 is a valid CAS Registry Number.