The Phenylalanylleucine, with the CAS registry number 3303-55-7, is also known as L-Phenylalanyl-L-leucine. It belongs to the product category of Amino Acid Derivatives. This chemical's molecular formula is C₁₅H₂₂N₂O₃ and molecular weight is 278.35. What's more, its IUPAC name is (2S)-2-[[(2S)-2-amino-3-phenylpropanoyl]amino]-4-methylpentanoic acid. 

Physical properties of Phenylalanylleucine are: (1)ACD/LogP: 2.05; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -0.45; (4)ACD/LogD (pH 7.4): -0.62; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 5; (10)#H bond donors: 4; (11)#Freely Rotating Bonds: 8; (12)Polar Surface Area: 49.85 Å²; (13)Index of Refraction: 1.544; (14)Molar Refractivity: 76.83 cm³; (15)Molar Volume: 243.1 cm³; (16)Polarizability: 30.45×10^-24cm³; (17)Surface Tension: 47.4 dyne/cm; (18)Density: 1.144 g/cm³; (19)Flash Point: 266 °C; (20)Enthalpy of Vaporization: 82.98 kJ/mol; (21)Boiling Point: 516.2 °C at 760 mmHg; (22)Vapour Pressure: 1.77E-11 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: CC(C)CC(C(=O)O)NC(=O)C(CC1=CC=CC=C1)N
(2)Isomeric SMILES: CC(C)C[C@@H](C(=O)O)NC(=O)[C@H](CC1=CC=CC=C1)N
(3)InChI: InChI=1S/C15H22N2O3/c1-10(2)8-13(15(19)20)17-14(18)12(16)9-11-6-4-3-5-7-11/h3-7,10,12-13H,8-9,16H2,1-2H3,(H,17,18)(H,19,20)/t12-,13-/m0/s1
(4)InChIKey: RFCVXVPWSPOMFJ-STQMWFEESA-N