This chemical is called Pyrrolo[1,2-a]pyrazine, and its CAS registry number is 274-45-3. With the molecular formula of C₇H₆N₂, its molecular weight is 118.14.

Other characteristics of the Pyrrolo[1,2-a]pyrazine can be summarised as followings: (1)ACD/LogP: 1.00; (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): 3.38; (6)ACD/BCF (pH 7.4): 3.38; (7)ACD/KOC (pH 5.5): 83.14; (8)ACD/KOC (pH 7.4): 83.14; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 17.3 Å²; (13)Index of Refraction: 1.628; (14)Molar Refractivity: 36.71 cm³; (15)Molar Volume: 103.4 cm³; (16)Polarizability: 14.55×10^-24cm³; (17)Surface Tension: 45.7 dyne/cm; (18)Density: 1.14 g/cm³.

You can still convert the following datas into molecular structure: 
1.SMILES: c1ccc2cnccn12
2.InChI: InChI=1/C7H6N2/c1-2-7-6-8-3-5-9(7)4-1/h1-6H
3.InChIKey: QSLLFYVBWXWUQT-UHFFFAOYAE