5105-86-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5105-86-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,1,0 and 5 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 5105-86:
(6*5)+(5*1)+(4*0)+(3*5)+(2*8)+(1*6)=72
72 % 10 = 2
So 5105-86-2 is a valid CAS Registry Number.