Derivative Type:  (S)-(+)-Form tromethamine salt
CAS Registry Number:  156604-79-4
Additional Names:  Dexketoprofen trometamol
Trademarks:  Enantyum (Menarini);  Keral (Menarini)
Molecular Formula:  C16H14O3.C4H11NO3
Molecular Weight:  375.42
Percent Composition:  C 63.99%, H 6.71%, O 25.57%, N 3.73%
Literature References:  Prepn: G. Carganico et al., WO 9411332 (1994 to Menarini).  Clinical trial:  C. Gay et al., Clin. Drug Invest. 11, 320 (1996).
Properties:  White crystalline solid from ethanol-ethyl acetate, mp 104.8-105.1°.  D20 -5.2° (c = 1.47 in methanol).
Melting point:  mp 104.8-105.1°
Optical Rotation:  D20 -5.2° (c = 1.47 in methanol)