2H-1-Benzopyran-2-one, 7-methoxy-
- Formula: C10H8O3
- Molecular weight: 176.1687
- IUPAC Standard InChI: InChI=1S/C10H8O3/c1-12-8-4-2-7-3-5-10(11)13-9(7)6-8/h2-6H,1H3
- IUPAC Standard InChIKey: LIIALPBMIOVAHH-UHFFFAOYSA-N
- CAS Registry Number: 531-59-9
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Herniarin; Coumarin, 7-methoxy-; Ayapanin; Methylumbelliferone; 7-Methoxycoumarin; Herniarine; Methoxycourmarin, 7-; 7-Methoxy-2H-1-benzopyran-2-one; 7-Methyl ether derivative of Umbelliferone; NSC 404559; Umbelliferone, methyl ether; 7-Methoxy-2H-chromen-2-one
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Mass spectrum (electron ionization)
Go To: Top, UV/Visible spectrum, Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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| Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
|---|---|
| Origin | Japan AIST/NIMC Database- Spectrum MS-NW-7447 |
| NIST MS number | 238552 |
UV/Visible spectrum
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Spectrum
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Additional Data
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| Source | De Schryver, et al., 1974 |
|---|---|
| Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
| Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
| Source reference | RAS UV No. 23966 |
| Instrument | Cary 17 |
| Melting point | 119-120 |
Gas Chromatography
Go To: Top, Mass spectrum (electron ionization), UV/Visible spectrum, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Van Den Dool and Kratz RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5MS | 1732.3 | Andriamaharavo, 2014 | 30. m/0.25 mm/0.25 μm, He; Program: 60C (1 min) => 5 C/min => 210C => 10 C/min => 280C (15 min) |
Van Den Dool and Kratz RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Supelcowax | 2981. | Chisholm, Wilson, et al., 2003 | 25. m/0.25 mm/0.25 μm, 35. C @ 5. min, 4. K/min, 225. C @ 10. min |
Normal alkane RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Supelcowax | 2910. | Näf and Velluz, 1998 | He, 5. K/min; Column length: 60. m; Column diameter: 0.25 mm; Tstart: 80. C; Tend: 240. C |
References
Go To: Top, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
De Schryver, et al., 1974
De Schryver, F.C., et al.,
J. Am. Chem. Soc., 1974, 96, 6994. [all data]
Andriamaharavo, 2014
Andriamaharavo, N.R.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]
Chisholm, Wilson, et al., 2003
Chisholm, M.G.; Wilson, M.A.; Gaskey, G.M.,
Characterization of aroma volatiles in key lime essential oils (Cirtrus aurantifolia Swingle),
Flavour Fragr. J., 2003, 18, 2, 106-115, https://doi.org/10.1002/ffj.1172
. [all data]
Näf and Velluz, 1998
Näf, R.; Velluz, A.,
Phenols and lactones in Italo-Mitcham peppermint oil Mentha × piperita L.,
Flavour Fragr. J., 1998, 13, 3, 203-208, https://doi.org/10.1002/(SICI)1099-1026(199805/06)13:3<203::AID-FFJ725>3.0.CO;2-0
. [all data]
Notes
Go To: Top, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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