The 1-Methyl-1H-imidazole-5-carbonitrile with cas registry number of 66121-66-2, has the systematic name of 1-methyl-1H-imidazole-5-carbonitrile. And it is also named 1-Methyl-1H-imidazole-5-carbonitrile 97%. And it hazard note is harmful.

Physical properties about this chemical are: (1)ACD/LogP: -0.77; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -0.77; (4)ACD/LogD (pH 7.4): -0.77; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 9.02; (8)ACD/KOC (pH 7.4): 9.05; (9)#H bond acceptors: 3; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 41.61 Å²; (13)Index of Refraction: 1.579; (14)Molar Refractivity: 31.77 cm³; (15)Molar Volume: 95.5 cm³; (16)Polarizability: 12.59×10^-24cm³; (17)Surface Tension: 44 dyne/cm; (18)Enthalpy of Vaporization: 55.52 kJ/mol; (19)Vapour Pressure: 0.000476 mmHg at 25°C.

You can still convert the following datas into molecular structure: 
(1)SMILES: N#Cc1cncn1C;
(2)InChI: InChI=1/C5H5N3/c1-8-4-7-3-5(8)2-6/h3-4H,1H3;
(3)InChIKey: VRBIIAGKRWHJQE-UHFFFAOYAP;
(4)Std. InChI: InChI=1S/C5H5N3/c1-8-4-7-3-5(8)2-6/h3-4H,1H3;
(5)Std. InChIKey: VRBIIAGKRWHJQE-UHFFFAOYSA-N