28786-72-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28786-72-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,7,8 and 6 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 28786-72:
(7*2)+(6*8)+(5*7)+(4*8)+(3*6)+(2*7)+(1*2)=163
163 % 10 = 3
So 28786-72-3 is a valid CAS Registry Number.