This chemical is called 3-Bromopyridazine. With the molecular formula of C₄H₃BrN₂, its molecular weight is 158.98. The CAS registry number of this chemical is 88491-61-6. Additionally, its product category is Halide.

Other characteristics of the 3-Bromopyridazine can be summarised as followings: (1)ACD/LogP: 0.27; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0; (4)ACD/LogD (pH 7.4): 0; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 24; (8)ACD/KOC (pH 7.4): 24; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 25.78 Å²; (13)Index of Refraction: 1.568; (14)Molar Refractivity: 30.125 cm³; (15)Molar Volume: 92.066 cm³; (16)Polarizability: 11.943×10^-24cm³; (17)Surface Tension: 51.028 dyne/cm; (18)Density: 1.727 g/cm³; (19)Flash Point: 117.075 °C; (20)Enthalpy of Vaporization: 48.766 kJ/mol; (21)Boiling Point: 269.972 °C at 760 mmHg; (22)Vapour Pressure: 0.012 mmHg at 25°C.

You can still convert the following datas into molecular structure: 
1.SMILES: Brc1cccnn1
2.InChI: InChI=1/C4H3BrN2/c5-4-2-1-3-6-7-4/h1-3H
3.InChIKey: ILYSUJOMLYXAOC-UHFFFAOYAV