The 5-Methoxybenzofuran-2-carboxylic acid with cas registry number of 10242-08-7, has the systematic name of 5-methoxy-1-benzofuran-2-carboxylic acid. And its IUPAC name is the same one. Besides this, it is also named 2-Benzofurancarboxylic acid, 5-methoxy-.

Physical properties about this chemical are: (1)ACD/LogP: 1.82; (2)# of Rule of 5 Violations: 0; (3)ACD/BCF (pH 5.5): 1; (4)ACD/BCF (pH 7.4): 1; (5)ACD/KOC (pH 5.5): 1.009; (6)ACD/KOC (pH 7.4): 1; (7)#H bond acceptors: 4; (8)#H bond donors: 1; (9)#Freely Rotating Bonds: 2; (10)Polar Surface Area: 59.67 Å²; (11)Index of Refraction: 1.617; (12)Molar Refractivity: 50.004 cm³; (13)Molar Volume: 142.876 cm³; (14)Polarizability: 19.823×10^-24cm³; (15)Surface Tension: 52.115 dyne/cm; (16)Enthalpy of Vaporization: 63.017 kJ/mol; (17)Vapour Pressure: 0 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
The 5-Methoxybenzofuran-2-carboxylic acid irritates to eyes, respiratory system and skin. When use it, wear suitable protective clothing, gloves and eye/face protection. If contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure: 
(1)SMILES: COc1ccc2c(c1)cc(o2)C(=O)O
(2)InChI: InChI=1/C10H8O4/c1-13-7-2-3-8-6(4-7)5-9(14-8)10(11)12/h2-5H,1H3,(H,11,12)
(3)InChIKey: XZELWEMGWISCTP-UHFFFAOYAC
(4)Std. InChI: InChI=1S/C10H8O4/c1-13-7-2-3-8-6(4-7)5-9(14-8)10(11)12/h2-5H,1H3,(H,11,12)
(5)Std. InChIKey: XZELWEMGWISCTP-UHFFFAOYSA-N