The CAS registry number of L-Tyrosine,O-[2-(1,1-dimethylethoxy)-2-oxoethyl]-N-[(9H-fluoren-9-ylmethoxy)carbonyl]- is 181951-92-8. The systematic name is O-(2-tert-butoxy-2-oxoethyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-tyrosine. In addition, the molecular formula is C₃₀H₃₁NO₇ and the molecular weight is 517.57. What's more, it is a irritating chemical and should be stored in a cool and dry place.

Physical properties about L-Tyrosine,O-[2-(1,1-dimethylethoxy)-2-oxoethyl]-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-l are: (1)ACD/LogP: 5.83; (2)# of Rule of 5 Violations: 2; (3)ACD/LogD (pH 5.5): 3.7; (4)ACD/LogD (pH 7.4): 2.26; (5)ACD/BCF (pH 5.5): 119.3; (6)ACD/BCF (pH 7.4): 4.28; (7)ACD/KOC (pH 5.5): 266.39; (8)ACD/KOC (pH 7.4): 9.55; (9)#H bond acceptors: 8; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 12; (12)Polar Surface Area: 91.37 Å²; (13)Index of Refraction: 1.592; (14)Molar Refractivity: 139.98 cm³; (15)Molar Volume: 413.4 cm³; (16)Polarizability: 55.49 ×10^-24cm³; (17)Surface Tension: 51.8 dyne/cm; (18)Density: 1.251 g/cm³; (19)Flash Point: 376.9 °C; (20)Enthalpy of Vaporization: 107.56 kJ/mol; (21)Boiling Point: 699.6 °C at 760 mmHg; (22)Vapour Pressure: 1.51E-20 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(OC(C)(C)C)COc1ccc(cc1)C[C@@H](C(=O)O)NC(=O)OCC4c2ccccc2c3c4cccc3
(2)InChI: InChI=1/C30H31NO7/c1-30(2,3)38-27(32)18-36-20-14-12-19(13-15-20)16-26(28(33)34)31-29(35)37-17-25-23-10-6-4-8-21(23)22-9-5-7-11-24(22)25/h4-15,25-26H,16-18H2,1-3H3,(H,31,35)(H,33,34)/t26-/m0/s1
(3)InChIKey: HGZSQWKDOAHSLN-SANMLTNEBU