The Pyridazine, 3-chloro-6-(3-methylphenyl)- has CAS registry number 66549-34-6. This chemical's molecular formula is C₁₁H₉ClN₂ and molecular weight is 204.66. What's more, its systematic name is 3-chloro-6-(3-methylphenyl)pyridazine. When you are using this chemical, please be cautious about it. It may cause inflammation to the skin or other mucous membranes. 

Physical properties of Pyridazine, 3-chloro-6-(3-methylphenyl)- are: (1)ACD/LogP: 3.03; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2; (4)ACD/LogD (pH 7.4): 2; (5)ACD/BCF (pH 5.5): 33; (6)ACD/BCF (pH 7.4): 33; (7)ACD/KOC (pH 5.5): 421; (8)ACD/KOC (pH 7.4): 421; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 25.78 Å²; (13)Index of Refraction: 1.585; (14)Molar Refractivity: 56.747 cm³; (15)Molar Volume: 169.392 cm³; (16)Polarizability: 22.496×10^-24cm³; (17)Surface Tension: 46.543 dyne/cm; (18)Density: 1.208 g/cm³; (19)Flash Point: 212.13 °C; (20)Enthalpy of Vaporization: 59.76 kJ/mol; (21)Boiling Point: 374.596 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25°C.

Uses of Pyridazine, 3-chloro-6-(3-methylphenyl)-: it can be used to produce 3-(4-hydroxypiperidino)-6-(m-tolyl)pyridazine by heating. It will need solvent butan-1-ol with the reaction time of 3 hour. The yield is about 41%.

You can still convert the following datas into molecular structure:
(1)SMILES: Cc1cc(ccc1)c2ccc(Cl)nn2
(2)Std. InChI: InChI=1S/C11H9ClN2/c1-8-3-2-4-9(7-8)10-5-6-11(12)14-13-10/h2-7H,1H3
(3)Std. InChIKey: IEIFRHAHAWOUJM-UHFFFAOYSA-N