108321-86-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108321-86-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,3,2 and 1 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 108321-86:
(8*1)+(7*0)+(6*8)+(5*3)+(4*2)+(3*1)+(2*8)+(1*6)=104
104 % 10 = 4
So 108321-86-4 is a valid CAS Registry Number.