28275-76-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28275-76-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,2,7 and 5 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 28275-76:
(7*2)+(6*8)+(5*2)+(4*7)+(3*5)+(2*7)+(1*6)=135
135 % 10 = 5
So 28275-76-5 is a valid CAS Registry Number.