2486-81-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2486-81-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,4,8 and 6 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 2486-81:
(6*2)+(5*4)+(4*8)+(3*6)+(2*8)+(1*1)=99
99 % 10 = 9
So 2486-81-9 is a valid CAS Registry Number.