The Levodropropizine with CAS registry number of 99291-25-5 is also called 1,2-Propanediol,3-(4-phenylpiperazin-1-yl)-, S(-)-. The IUPAC name is (2S)-3-(4-phenylpiperazin-1-yl)propane-1,2-diol. In addition, the formula is C₁₃H₂₀N₂O₂ and the molecular weight is 236.3101. It is belongs to the classes of Aromatics; Heterocycles; Intermediates & Fine Chemicals; Pharmaceuticals. And it is a kind of white solid.

Physical properties about Levodropropizine are: (1)ACD/LogP: 0.46; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -0.31; (4)ACD/LogD (pH 7.4): 0.43; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1.24; (7)ACD/KOC (pH 5.5): 7.26; (8)ACD/KOC (pH 7.4): 39.85; (9)#H bond acceptors: 4; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 6; (12)Polar Surface Area: 24.94 Å²; (13)Index of Refraction: 1.576; (14)Molar Refractivity: 67.01 cm³; (15)Molar Volume: 202.2 cm³; (16)Polarizability: 26.56 ×10^-24cm³; (17)Surface Tension: 50.5 dyne/cm; (18)Density: 1.168 g/cm³; (19)Flash Point: 220.9 °C; (20)Enthalpy of Vaporization: 70.16 kJ/mol; (21)Boiling Point: 412.7 °C at 760 mmHg; (22)Vapour Pressure: 1.5E-07 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1)SMILES: O[C@@H](CN2CCN(c1ccccc1)CC2)CO
(2)InChI: InChI=1/C13H20N2O2/c16-11-13(17)10-14-6-8-15(9-7-14)12-4-2-1-3-5-12/h1-5,13,16-17H,6-11H2/t13-/m0/s1
(3)InChIKey: PTVWPYVOOKLBCG-ZDUSSCGKBV

The toxicity data is as follows: