The Phosphatidylserine, with the CAS registry number 51446-62-9, is also known as 1,2-Distearoyl phosphatidyl serine. This chemical's molecular formula is C₄₂H₈₂NO₁₀P and molecular weight is 792.08. What's more, its systematic name is O-{[(2R)-2-(Butyryloxy)-3-(propionyloxy)propoxy](hydroxy)phosphoryl}-L-serine. It is a phospholipid component, usually kept on the inner-leaflet (the cytosolic side) of cell membranes by an enzyme called flippase.

Physical properties of Phosphatidylserine are: (1)ACD/LogP: 0.721; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): -2.78; (4)ACD/LogD (pH 7.4): -2.89; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)ACD/KOC (pH 5.5): 1.00; (8)ACD/KOC (pH 7.4): 1.00; (9)#H bond acceptors: 11; (10)#H bond donors: 4; (11)#Freely Rotating Bonds: 16; (12)Polar Surface Area: 181.49 Å²; (13)Index of Refraction: 1.495; (14)Molar Refractivity: 82.742 cm³; (15)Molar Volume: 283.521 cm³; (16)Polarizability: 32.802×10^-24cm³; (17)Surface Tension: 55.14 dyne/cm; (18)Density: 1.359 g/cm³; (19)Flash Point: 292.658 °C; (20)Enthalpy of Vaporization: 92.135 kJ/mol; (21)Boiling Point: 560.299 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(O[C@@H](COP(O)(=O)OC[C@H](N)C(O)=O)COC(=O)CC)CCC
(2)Std. InChI: InChI=1S/C13H24NO10P/c1-3-5-12(16)24-9(6-21-11(15)4-2)7-22-25(19,20)23-8-10(14)13(17)18/h9-10H,3-8,14H2,1-2H3,(H,17,18)(H,19,20)/t9-,10+/m1/s1
(3)Std. InChIKey: UNJJBGNPUUVVFQ-ZJUUUORDSA-N