72866-28-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72866-28-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,8,6 and 6 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 72866-28:
(7*7)+(6*2)+(5*8)+(4*6)+(3*6)+(2*2)+(1*8)=155
155 % 10 = 5
So 72866-28-5 is a valid CAS Registry Number.