2-AMINO-5-BROMO-3-METHYLPYRAZINE

The 2-Pyrazinamine,5-bromo-3-methyl-, with the CAS registry number 74290-67-8, is also known as 2-Amino-5-bromo-3-methylpyrazine. Its systematic name is 5-Bromo-3-methylpyrazin-2-amine. This chemical's molecular formula is C₅H₆BrN₃ and molecular weight is 188.03. 

Physical properties of 2-Pyrazinamine,5-bromo-3-methyl- are: (1)ACD/LogP: 1.16; (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): 4; (6)ACD/BCF (pH 7.4): 4; (7)ACD/KOC (pH 5.5): 101; (8)ACD/KOC (pH 7.4): 101; (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: 118.532 °C; (20)Enthalpy of Vaporization: 51.066 kJ/mol; (21)Boiling Point: 272.381 °C at 760 mmHg; (22)Vapour Pressure: 0.006 mmHg at 25°C.

Preparation: this chemical can be prepared by 3-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 84%.

Uses of 2-Pyrazinamine,5-bromo-3-methyl-: it can be used to produce 3-methyl-pyrazin-2-ylamine at the temperature of 25 °C. It will need reagents Et₃N, hydrogen and solvent ethyl acetate with the reaction time of 40 min. This reaction will also need catalyst 5 percent Pd-C. The yield is about 100%.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: CC1=NC(=CN=C1N)Br
(2)InChI: InChI=1S/C5H6BrN3/c1-3-5(7)8-2-4(6)9-3/h2H,1H3,(H2,7,8)
(3)InChIKey: VZZCBPAGRWGQDG-UHFFFAOYSA-N