CHEMISTRY

Ibuprofen is a white crystalline powder which forms part of a group of drugs called non-steroidal anti-inflammatory drugs (NSAIDs). NSAIDs work by blocking COX enzymes (hormones), thus, inflammation and pain in the body are reduced.

Chemical structure	C13H18O2
IUPAC name	2-(4-isobutylphenyl)
Melting Point	74-77 ⁰C
Solubility	Ethanol and Acetone

Ibuprofen has one chiral center, thus two enantiomers; R-Ibuprofen and S-Ibuprofen.

http://www.medicinenet.com/nonsteroidal_antiinflammatory_drugs/article.htm