The Pyridine, 2-hydrazinyl-5-methyl-3-nitro-, with the CAS registry number 21901-25-7, is also known as 2(1H)-Pyridinone, 5-methyl-3-nitro-, hydrazone (9CI). It belongs to the product categories of Blocks; Pyridines. This chemical's molecular formula is C₆H₈N₄O₂ and molecular weight is 168.15. What's more, its systematic name is (5-Methyl-3-nitro-2-pyridyl)hydrazine.

Physical properties about Pyridine, 2-hydrazinyl-5-methyl-3-nitro- are: (1)ACD/LogP: 0.39; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.39; (4)ACD/LogD (pH 7.4): 0.39; (5)#H bond acceptors: 6; (6)#H bond donors: 3; (7)#Freely Rotating Bonds: 2; (8)Polar Surface Area: 96.76 Å²; (9)Index of Refraction: 1.677; (10)Molar Refractivity: 44.22 cm³; (11)Molar Volume: 117.4 cm³; (12)Polarizability: 17.53×10^-24 cm³; (13)Surface Tension: 72.5 dyne/cm; (14)Density: 1.432 g/cm³; (15)Flash Point: 161 °C; (16)Enthalpy of Vaporization: 58.63 kJ/mol; (17)Boiling Point: 342.6 °C at 760 mmHg; (18)Vapour Pressure: 7.47E-05 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1) SMILES: Cc1cc(c(nc1)NN)[N+](=O)[O-]
(2) InChI: InChI=1/C6H8N4O2/c1-4-2-5(10(11)12)6(9-7)8-3-4/h2-3H,7H2,1H3,(H,8,9)
(3) InChIKey: XDMWWISPNLFVGD-UHFFFAOYAV