The 3,4-Dihydroxyphenylpyruvic acid, with the cas registry number 109170-71-0, has the systematic name of 3-(3,4-dihydroxyphenyl)-2-oxopropanoic acid. The molecular formula of the chemical is C₉H₈O₅.

The characteristics of this chemical are as followings: (1)ACD/LogP: -0.80; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -3.81; (4)ACD/LogD (pH 7.4): -4.53; (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: 3; (11)#Freely Rotating Bonds: 5; (12)Polar Surface Area: 61.83 Å²; (13)Index of Refraction: 1.638; (14)Molar Refractivity: 45.79 cm³; (15)Molar Volume: 127.3 cm³; (16)Polarizability: 18.15×10^-24cm³; (17)Surface Tension: 79.6 dyne/cm; (18)Density: 1.54 g/cm³; (19)Flash Point: 238.5 °C; (20)Enthalpy of Vaporization: 74.37 kJ/mol; (21)Boiling Point: 447.3 °C at 760 mmHg; (22)Vapour Pressure: 8.7E-09 mmHg at 25°C.

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: O=C(O)C(=O)Cc1cc(O)c(O)cc1
(2)InChI: InChI=1/C9H8O5/c10-6-2-1-5(3-7(6)11)4-8(12)9(13)14/h1-3,10-11H,4H2,(H,13,14)
(3)InChIKey: LQQFFJFGLSKYIR-UHFFFAOYAK