The 2-Pyrazinamine,5-bromo-6-methyl-, with the CAS registry number 74290-69-0, is also known as 2-Amino-5-bromo-6-methylpyrazine.This chemical's molecular formula is C₅H₆BrN₃ and molecular weight is 188.03. What's more, its systematic name is 5-Bromo-6-methylpyrazin-2-amine. 

Physical properties of 2-Pyrazinamine,5-bromo-6-methyl- are: (1)ACD/LogP: 1.47; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1; (4)ACD/LogD (pH 7.4): 1; (5)ACD/BCF (pH 5.5): 8; (6)ACD/BCF (pH 7.4): 8; (7)ACD/KOC (pH 5.5): 150; (8)ACD/KOC (pH 7.4): 150; (9)#H bond acceptors: 3; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 51.8 Å²; (13)Index of Refraction: 1.627; (14)Molar Refractivity: 39.187 cm³; (15)Molar Volume: 110.621 cm³; (16)Polarizability: 15.535×10^-24 cm³; (17)Surface Tension: 61.31 dyne/cm; (18)Density: 1.7 g/cm³; (19)Flash Point: 119.375 °C; (20)Enthalpy of Vaporization: 51.213 kJ/mol; (21)Boiling Point: 273.775 °C at 760 mmHg; (22)Vapour Pressure: 0.006 mmHg at 25°C.

Preparation: this chemical can be prepared by 6-methyl-pyrazin-2-ylamine at the ambient temperature. This reaction will need reagents bromine, pyridine and solvent CHCl₃ with the reaction time of 0.5 hour. The yield is about 91%.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: CC1=NC(=CN=C1Br)N
(2)InChI: InChI=1S/C5H6BrN3/c1-3-5(6)8-2-4(7)9-3/h2H,1H3,(H2,7,9)
(3)InChIKey: YNMLUNRXLAUIDA-UHFFFAOYSA-N