13406-68-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13406-68-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,4,0 and 6 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 13406-68:
(7*1)+(6*3)+(5*4)+(4*0)+(3*6)+(2*6)+(1*8)=83
83 % 10 = 3
So 13406-68-3 is a valid CAS Registry Number.