The 2,4,5-Trihydroxyphenylalanine, with the CAS registry number 23358-64-7, is also known as L-tyrosine, 2,5-dihydroxy-. This chemical's molecular formula is C₉H₁₁NO₅ and molecular weight is 213.19. Its systematic name is called 2,5-dihydroxy-L-tyrosine. The product should be stored at temperature of -20 °C. When you are using this chemical, please be cautious about it. You should not breathe its dust. In addition, you must avoid contacting it with skin and eyes. 

Physical properties of 2,4,5-Trihydroxyphenylalanine: (1)ACD/LogP: -1.05; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): -3.55; (4)ACD/LogD (pH 7.4): -3.56; (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: 6; (10)#H bond donors: 6; (11)#Freely Rotating Bonds: 7; (12)Index of Refraction: 1.697; (13)Molar Refractivity: 51.13 cm³; (14)Molar Volume: 132.7 cm³; (15)Surface Tension: 97.3 dyne/cm; (16)Density: 1.606 g/cm³; (17)Flash Point: 265.4 °C; (18)Enthalpy of Vaporization: 82.86 kJ/mol; (19)Boiling Point: 515.2 °C at 760 mmHg; (20)Vapour Pressure: 1.94E-11 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(O)[C@@H](N)Cc1c(O)cc(O)c(O)c1
(2)InChI: InChI=1/C9H11NO5/c10-5(9(14)15)1-4-2-7(12)8(13)3-6(4)11/h2-3,5,11-13H,1,10H2,(H,14,15)/t5-/m0/s1
(3)InChIKey: YLKRUSPZOTYMAT-YFKPBYRVBP