The Pyridine,5-chloro-2-hydrazinyl-, with the CAS registry number 27032-63-9, has the systematic name of 5-chloro-2-hydrazinylpyridine. It is a kind of irritant chemical, and should be stored in the dry and cool environment. And the molecular formula of the chemical is C₅H₆ClN₃.

The characteristics of Pyridine,5-chloro-2-hydrazinyl- are as followings: (1)ACD/LogP: 1.25; (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; (6)ACD/BCF (pH 7.4): 3; (7)ACD/KOC (pH 5.5): 74; (8)ACD/KOC (pH 7.4): 83; (9)#H bond acceptors: 3; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 50.94 Å²; (13)Index of Refraction: 1.669; (14)Molar Refractivity: 37.751 cm³; (15)Molar Volume: 101.235 cm³; (16)Polarizability: 14.966×10^-24cm³; (17)Surface Tension: 63.195 dyne/cm; (18)Density: 1.418 g/cm³; (19)Flash Point: 127.985 °C; (20)Enthalpy of Vaporization: 52.722 kJ/mol; (21)Boiling Point: 288.012 °C at 760 mmHg; (22)Vapour Pressure: 0.002 mmHg at 25°C. 

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: Clc1cnc(NN)cc1
(2)InChI: InChI=1/C5H6ClN3/c6-4-1-2-5(9-7)8-3-4/h1-3H,7H2,(H,8,9)
(3)InChIKey: UXJYFOOFLZGBEK-UHFFFAOYAA