The 2H-1-Benzopyran-3-carboxylicacid, 8-methoxy-2-oxo- is an organic compound with the formula C₁₁H₈O₅. The IUPAC name of this chemical is 8-methoxy-2-oxochromene-3-carboxylic acid. With the CAS registry number 2555-20-6, it is also named as 8-methoxy-2-oxo-2H-chromene-3-carboxylic acid.

Physical properties about 2H-1-Benzopyran-3-carboxylicacid, 8-methoxy-2-oxo- are: (1)ACD/LogP: 1.24; (2)ACD/BCF (pH 5.5): 1; (3)ACD/BCF (pH 7.4): 1; (4)ACD/KOC (pH 5.5): 1; (5)ACD/KOC (pH 7.4): 1; (6)#H bond acceptors: 5; (7)#H bond donors: 1; (8)#Freely Rotating Bonds: 2; (9)Polar Surface Area: 61.83 Å²; (10)Index of Refraction: 1.611; (11)Molar Refractivity: 52.54 cm³; (12)Molar Volume: 151.3 cm³; (13)Polarizability: 20.83×10^-24cm³; (14)Surface Tension: 60.9 dyne/cm; (15)Density: 1.454 g/cm³; (16)Flash Point: 178.8 °C; (17)Enthalpy of Vaporization: 73.35 kJ/mol; (18)Boiling Point: 439 °C at 760 mmHg; (19)Vapour Pressure: 1.76E-08 mmHg at 25°C.

Preparation of 2H-1-Benzopyran-3-carboxylicacid, 8-methoxy-2-oxo-: this chemical can be prepared by 12-hydroxy-3-methoxy-benzaldehyde and malonic acid. This reaction will need reagent aniline.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(O)C\1=C\c2c(OC/1=O)c(OC)ccc2
(2)InChI: InChI=1/C11H8O5/c1-15-8-4-2-3-6-5-7(10(12)13)11(14)16-9(6)8/h2-5H,1H3,(H,12,13)
(3)InChIKey: SFAPWVZFUHJZIC-UHFFFAOYAX
(4)Std. InChI: InChI=1S/C11H8O5/c1-15-8-4-2-3-6-5-7(10(12)13)11(14)16-9(6)8/h2-5H,1H3,(H,12,13)
(5)Std. InChIKey: SFAPWVZFUHJZIC-UHFFFAOYSA-N