The D-1-Fmoc-Pipecolinic acid, with the CAS registry number 105751-19-7, is also known as 1-[(9H-Fluoren-9-ylmethoxy)carbonyl]piperidine-2-carboxylic acid. This chemical's molecular formula is C₂₁H₂₁NO₄ and molecular weight is 351.4. What's more, its systematic name is (2R)-1-[(9H-fluoren-9-ylmethoxy)carbonyl]piperidine-2-carboxylic acid. 

Physical properties of D-1-Fmoc-Pipecolinic acid are: (1)ACD/LogP: 3.57; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.03; (4)ACD/LogD (pH 7.4): 0.31; (5)ACD/BCF (pH 5.5): 8.79; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 60.29; (8)ACD/KOC (pH 7.4): 1.15; (9)#H bond acceptors: 5; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 55.84 Å²; (13)Index of Refraction: 1.62; (14)Molar Refractivity: 95.49 cm³; (15)Molar Volume: 271.7 cm³; (16)Surface Tension: 56.6 dyne/cm; (17)Density: 1.293 g/cm³; (18)Flash Point: 293.5 °C; (19)Enthalpy of Vaporization: 88.85 kJ/mol; (20)Boiling Point: 561.6 °C at 760 mmHg; (21)Vapour Pressure: 1.89E-13 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
It is irritating to eyes, respiratory system and skin. In case of contacting with eyes, you should rinse immediately with plenty of water and seek medical advice. When using it, you need wear suitable protective clothing.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(OCC3c1ccccc1c2ccccc23)N4[C@@H](C(=O)O)CCCC4
(2)InChI: InChI=1S/C21H21NO4/c23-20(24)19-11-5-6-12-22(19)21(25)26-13-18-16-9-3-1-7-14(16)15-8-2-4-10-17(15)18/h1-4,7-10,18-19H,5-6,11-13H2,(H,23,24)/t19-/m1/s1
(3)InChIKey: CKLAZLINARHOTG-LJQANCHMSA-N