863988-81-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 863988-81-2 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 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 863988-81:
(8*8)+(7*6)+(6*3)+(5*9)+(4*8)+(3*8)+(2*8)+(1*1)=242
242 % 10 = 2
So 863988-81-2 is a valid CAS Registry Number.