Molecular Structure of Flurbiprofen axetil (CAS NO.91503-79-6):

IUPAC Name: 1-Acetyloxyethyl 2-(3-fluoro-4-phenylphenyl)propanoate 
Molecular Formula: C₁₉H₁₉FO₄
Molecular Weight: 330.350163 g/mol
XLogP3: 4.9
H-Bond Donor: 0
H-Bond Acceptor: 5
Canonical SMILES: CC(C1=CC(=C(C=C1)C2=CC=CC=C2)F)C(=O)OC(C)OC(=O)C
InChI: InChI=1S/C19H19FO4/c1-12(19(22)24-14(3)23-13(2)21)16-9-10-17(18(20)11-16)15-7-5-4-6-8-15/h4-12,14H,1-3H3
InChIKey: ALIVXCSEERJYHU-UHFFFAOYSA-N
Index of Refraction: 1.528
Molar Refractivity: 87.06 cm³
Molar Volume: 282.3 cm³
Surface Tension: 39.7 dyne/cm
Density: 1.169 g/cm³
Flash Point: 203 °C
Enthalpy of Vaporization: 67.87 kJ/mol
Boiling Point: 424.3 °C at 760 mmHg
Vapour Pressure: 2.09E-07 mmHg at 25 °C
Water Solubility of Flurbiprofen axetil (CAS NO.91503-79-6): 1.363 mg/L at 25 °C

Poison by ingestion, subcutaneous, and intravenous routes. An experimental teratogen. When heated to decomposition it emits toxic fumes of F⁻.

  Flurbiprofen axetil is colorless to pale yellow transparent oily with slightly smelly, bitter taste, immiscibility in methanol, ethanol, acetonitrile or acetone . It is a prodrug of Flurbiprofen and often used to relieve pain of post-operative and various kinds of cancer. Flurbiprofen axetil with CAS registry number of 91503-79-6 is also known as FP 83 ; 1-Acetoxyethyl 2-(2-fluoro-4-biphenylyl)propionate ; 1-Acetoxyethyl-2-(2-fluoro-4-biphenylyl)propionate ; 2-Fluoro-alpha-methyl-(1,1'-biphenyl)-4-acetic acid 1-(acetyloxy)ethyl ester ; 4-Biphenylacetic acid, 2-fluoro-alpha-methyl-, 1-acetoxyethyl ester ; Flurbiprofen axetil ; LFP 83 ; Lipfen ; Lipo-flurbiprofen axetil ; Liposomal flurbiprofen axetil ; Ropion ; (1,1'-Biphenyl)-4-acetic acid, 2-fluoro-alpha-methyl-, 1-(acetyloxy)ethyl ester .