The CAS register number of 2H-Furo(2,3-h)-1-benzopyran-2-one, 6-methoxy- is 483-66-9. It also can be called as Sphondin and the IUPAC name about this chemical is 6-methoxyfuro[2,3-h]chromen-2-one. The molecular formula about this chemical is C₁₂H₈O₄ and the molecular weight is 216.19312.

Physical properties about 2H-Furo(2,3-h)-1-benzopyran-2-one, 6-methoxy- are: (1)ACD/LogP: 1.83; (2)ACD/LogD (pH 5.5): 1.83; (3)ACD/LogD (pH 7.4): 1.83; (4)ACD/BCF (pH 5.5): 14.41; (5)ACD/BCF (pH 7.4): 14.41; (6)ACD/KOC (pH 5.5): 234.93; (7)ACD/KOC (pH 7.4): 234.93; (8)#H bond acceptors: 4; (9)#Freely Rotating Bonds: 1; (10)Polar Surface Area: 48.67 Å²; (11)Index of Refraction: 1.635; (12)Molar Refractivity: 56.58 cm³; (13)Molar Volume: 158 cm³; (14)Polarizability: 22.43x10^-24cm³; (15)Surface Tension: 52 dyne/cm; (16)Density: 1.368 g/cm³; (17)Flash Point: 203.6 °C; (18)Enthalpy of Vaporization: 66.57 kJ/mol; (19)Boiling Point: 413 °C at 760 mmHg; (20)Vapour Pressure: 4.96E-07 mmHg at 25 °C.

Preparation: this chemical can be prepared by 6-methoxy-(2H)-furo[2,3-h]-1-benzopyran. This reaction will need reagents of chromium trioxide, pyridine and solvent of CH₂Cl₂. The reaction time is 7 hours. The yield is about 52%.

Uses of 2H-Furo(2,3-h)-1-benzopyran-2-one, 6-methoxy-: it can be used to produce 6-methoxy-8-nitro-furo[2,3-h]chromen-2-one. This reaction will need reagent of HNO₃ and solvent of acetic anhydride. The reaction time is 2 hours with reaction temperature of -10 °C. The yield is about 60%.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C/1Oc3c(\C=C\1)cc(OC)c2occc23
(2)InChI: InChI=1/C12H8O4/c1-14-9-6-7-2-3-10(13)16-11(7)8-4-5-15-12(8)9/h2-6H,1H3
(3)InChIKey: DLCJNIBLOSKIQW-UHFFFAOYAX
(4)Std. InChI: InChI=1S/C12H8O4/c1-14-9-6-7-2-3-10(13)16-11(7)8-4-5-15-12(8)9/h2-6H,1H3
(5)Std. InChIKey: DLCJNIBLOSKIQW-UHFFFAOYSA-N