loxoprofen and its Impurities
Loxoprofen is available in some countries for oral administration. It is a propionic acid derivative non-steroidal anti-inflammatory drug. Reference standards of Loxoprofen API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

![(E)-2,2'-(((2'-Oxo-[1,1'-bi(cyclopentylidene)]-2,3 PA 12 52580](https://www.pharmaffiliates.com/pimages/PA1252580.jpg)
(E)-2,2'-(((2'-Oxo-[1,1'-bi(cyclopentylidene)]-2,3'-diyl)bis(methylene))bis(4,1-phenylene))dipropionic Acid
(E)-2,2'-(((2'-Oxo-[1,1'-bi(cyclopentylidene)]-2,3'-diyl)bis(methylene))bis(4,1-phenylene))dipropionic Acid
Catalogue No.:PA 12 52580
CAS :
NA
Molecular Formula : C30H34O5
Molecular Weight : 474.6

![2,2'-(((2'-Oxo-[1,1'-bi(cyclopentylidene)]-2,3'-di PA 12 0521018](https://www.pharmaffiliates.com/pimages/PA120521018.jpg)
2,2'-(((2'-Oxo-[1,1'-bi(cyclopentylidene)]-2,3'-diyl)bis(methylene))bis(4,1-phenylene))dipropionic Acid
2,2'-(((2'-Oxo-[1,1'-bi(cyclopentylidene)]-2,3'-diyl)bis(methylene))bis(4,1-phenylene))dipropionic Acid
Catalogue No.:PA 12 0521018
CAS :
NA
Molecular Formula : C30H34O5
Molecular Weight : 474.6