The CAS register number of 2,3,5,6-Tetrachloro-4-pyridinecarboxaldehyde is 68054-26-2. It also can be called as 4-Pyridinecarboxaldehyde,2,3,5,6-tetrachloro- and the systematic name about this chemical is 2,3,5,6-tetrachloropyridine-4-carbaldehyde. The molecular formula about this chemical is C₆HCl₄NO and the molecular weight is 244.89. It belongs to the Pyridines.

Physical properties about 2,3,5,6-Tetrachloro-4-pyridinecarboxaldehyde are: (1)ACD/LogP: 3.32; (2)ACD/LogD (pH 5.5): 3.32; (3)ACD/LogD (pH 7.4): 3.32; (4)ACD/BCF (pH 5.5): 195.9; (5)ACD/BCF (pH 7.4): 195.9; (6)ACD/KOC (pH 5.5): 1521.42; (7)ACD/KOC (pH 7.4): 1521.42; (8)#H bond acceptors: 2; (9)#Freely Rotating Bonds: 1; (10)Polar Surface Area: 29.96Ų; (11)Index of Refraction: 1.631; (12)Molar Refractivity: 50.67 cm³; (13)Molar Volume: 142.1 cm³; (14)Polarizability: 20.09x10^-24cm³; (15)Surface Tension: 56.6 dyne/cm; (16)Enthalpy of Vaporization: 54.28 kJ/mol; (17)Boiling Point: 302.6 °C at 760 mmHg; (18)Vapour Pressure: 0.000983 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: Clc1c(C=O)c(Cl)c(Cl)nc1Cl
(2)InChI: InChI=1/C6HCl4NO/c7-3-2(1-12)4(8)6(10)11-5(3)9/h1H
(3)InChIKey: QSXFGJSLCCZMET-UHFFFAOYAP
(4)Std. InChI: InChI=1S/C6HCl4NO/c7-3-2(1-12)4(8)6(10)11-5(3)9/h1H
(5)Std. InChIKey: QSXFGJSLCCZMET-UHFFFAOYSA-N