13682-28-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13682-28-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,6,8 and 2 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 13682-28:
(7*1)+(6*3)+(5*6)+(4*8)+(3*2)+(2*2)+(1*8)=105
105 % 10 = 5
So 13682-28-5 is a valid CAS Registry Number.