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CAS No. 26693-24-3 Density 1.197 g/cm3
Solubility Melting Point
Formula C7H8OS Boiling Point 193 °C at 760 mmHg
Molecular Weight 140.20 Flash Point 70.5 °C
Transport Information Appearance
Safety Risk Codes
Molecular Structure Molecular Structure of 26693-24-3 (Thieno[2,3-c]furan,2,3-dihydro-6-methyl-) Hazard Symbols



Kahweofuran Specification

 The Kahweofuran, its cas register number is 26693-24-3. It also can be called as Thieno[2,3-c]furan,2,3-dihydro-6-methyl- and the Systematic name about this chemical is 6-Methyl-2,3-dihydrothieno[2,3-c]furan. It belongs to the Flavor.

Physical properties about Kahweofuran are: (1)#H bond acceptors: 1; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 38.44Å2; (5)Index of Refraction: 1.582; (6)Molar Refractivity: 39.1 cm3; (7)Molar Volume: 117 cm3; (8)Polarizability: 15.5x10-24cm3; (9)Surface Tension: 43.4 dyne/cm; (10)Enthalpy of Vaporization: 41.16 kJ/mol; (11)Vapour Pressure: 0.663 mmHg at 25°C

Preparation of Kahweofuran: (1) this chemical can be prepared by 2-acetyl-tetrahydrothiophene-3-carbaldehyde.

This reaction needs reagent 0.1 N H2SO4. The reaction also needs heating. The yield is 69 %.
(2) A other kind to produce Kahweofuran: it can be prepared by 1-(3-dimethoxymethyltetrahydrothiophene-2-yl)ethanone.

This reaction needs reagent 0.1 N H2SO4. The reaction also needs heating. The yield is 65 % .

You can still convert the following datas into molecular structure:
(1)SMILES: o2c(c1SCCc1c2)C
(2)InChI: InChI=1/C7H8OS/c1-5-7-6(4-8-5)2-3-9-7/h4H,2-3H2,1H3
(4)Std. InChI: InChI=1S/C7H8OS/c1-5-7-6(4-8-5)2-3-9-7/h4H,2-3H2,1H3

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