2806-13-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2806-13-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,8,0 and 6 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 2806-13:
(6*2)+(5*8)+(4*0)+(3*6)+(2*1)+(1*3)=75
75 % 10 = 5
So 2806-13-5 is a valid CAS Registry Number.