28918-72-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28918-72-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,9,1 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 28918-72:
(7*2)+(6*8)+(5*9)+(4*1)+(3*8)+(2*7)+(1*2)=151
151 % 10 = 1
So 28918-72-1 is a valid CAS Registry Number.