S(+) Ibuprofen Description The optically active form of Ibuprofen and works as an inhibitor of non-selective cyclooxygenase. Find out more information about other NSAIDs Specifications Cas No. 51146-56-6 Product ID I0482 Product Name S(+) Ibuprofen Chemical Name (+)-2-(4-Isobutylphenyl)-propionic Acid Formula Wt. 206.28 Melting Point 51oC-53oC Purity ≥98% Solubility Soluble in methanol, DMSO and ethanol. Stability Protect from light. Store Temp Ambient