The 3-Methoxyisonicotinaldehyde, with the CAS registry number 1849-52-1, is also known as 4-Pyridinecarboxaldehyde, 3-methoxy-. This chemical's molecular formula is C₇H₇NO₂ and molecular weight is 137.14. What's more, its IUPAC name is 3-Methoxypyridine-4-carbaldehyde. 

Physical properties about 3-Methoxyisonicotinaldehyde are: (1)ACD/LogP: 0.86; (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): 77; (8)ACD/KOC (pH 7.4): 77; (9)#H bond acceptors: 3; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 39.19 Å²; (13)Index of Refraction: 1.551; (14)Molar Refractivity: 37.775 cm³; (15)Molar Volume: 118.326 cm³; (16)Polarizability: 14.975×10^-24 cm³; (17)Surface Tension: 43.084 dyne/cm; (18)Density: 1.159 g/cm³; (19)Flash Point: 112.794 °C; (20)Enthalpy of Vaporization: 50.07 kJ/mol; (21)Boiling Point: 262.893 °C at 760 mmHg; (22)Vapour Pressure: 0.011 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1) SMILES: COc1cnccc1C=O
(2) InChI: InChI=1/C7H7NO2/c1-10-7-4-8-3-2-6(7)5-9/h2-5H,1H3
(3) InChIKey: FZWFPBUTNZWBEM-UHFFFAOYAM