105205-68-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105205-68-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,2,0 and 5 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 105205-68:
(8*1)+(7*0)+(6*5)+(5*2)+(4*0)+(3*5)+(2*6)+(1*8)=83
83 % 10 = 3
So 105205-68-3 is a valid CAS Registry Number.