| Record Information |
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| Version | 5.0 |
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| Status | Detected but not Quantified |
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| Creation Date | 2012-09-11 21:44:25 UTC |
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| Update Date | 2023-02-21 17:25:25 UTC |
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| HMDB ID | HMDB0036582 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | 6-Methoxy-2(3H)-benzoxazolone |
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| Description | 6-Methoxy-2(3H)-benzoxazolone, also known as 6-MBOA, belongs to the class of organic compounds known as benzoxazolones. These are organic compounds containing a benzene fused to an oxazole ring (a five-member aliphatic ring with three carbon atoms, one oxygen atom, and one nitrogen atom) bearing a ketone group. 6-Methoxy-2(3H)-benzoxazolone has been detected, but not quantified in, several different foods, such as flour, common wheats (Triticum aestivum), wild rice (Zizania), teas (Camellia sinensis), and alcoholic beverages. This could make 6-methoxy-2(3H)-benzoxazolone a potential biomarker for the consumption of these foods. Based on a literature review very few articles have been published on 6-Methoxy-2(3H)-benzoxazolone. |
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| Structure | InChI=1S/C8H7NO3/c1-11-5-2-3-6-7(4-5)12-8(10)9-6/h2-4H,1H3,(H,9,10) |
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| Synonyms | | Value | Source |
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| 6-MBOA | MeSH | | 6-Methoxy-2-benzoxazolinone | MeSH | | 6-Methoxybenzoxazolinone | MeSH | | 2(3H)-Benzoxazolone, 6-methoxy- (9ci) | HMDB | | 6-Methoxy-1,3-benzoxazol-2(3H)-one | HMDB | | 6-Methoxy-2-benzoxazolinone, 8ci | HMDB | | 6-Methoxy-3H-benzooxazol-2-one | HMDB | | 6-Methoxy-benzoxazolin-2(3H)-one | HMDB | | 6-Methoxybenzoxazolin-2(3H)-one | HMDB | | Coixol | HMDB | | MBOA | HMDB |
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| Chemical Formula | C8H7NO3 |
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| Average Molecular Weight | 165.1461 |
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| Monoisotopic Molecular Weight | 165.042593095 |
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| IUPAC Name | 6-methoxy-2,3-dihydro-1,3-benzoxazol-2-one |
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| Traditional Name | 6-methoxy-3H-1,3-benzoxazol-2-one |
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| CAS Registry Number | 532-91-2 |
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| SMILES | COC1=CC=C2NC(=O)OC2=C1 |
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| InChI Identifier | InChI=1S/C8H7NO3/c1-11-5-2-3-6-7(4-5)12-8(10)9-6/h2-4H,1H3,(H,9,10) |
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| InChI Key | MKMCJLMBVKHUMS-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as benzoxazolones. These are organic compounds containing a benzene fused to an oxazole ring (a five-member aliphatic ring with three carbon atoms, one oxygen atom, and one nitrogen atom) bearing a ketone group. |
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| Kingdom | Organic compounds |
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| Super Class | Organoheterocyclic compounds |
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| Class | Benzoxazoles |
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| Sub Class | Benzoxazolones |
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| Direct Parent | Benzoxazolones |
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| Alternative Parents | |
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| Substituents | - Benzoxazolone
- Anisole
- Alkyl aryl ether
- Benzenoid
- Heteroaromatic compound
- Oxazole
- Azole
- Oxacycle
- Azacycle
- Ether
- Hydrocarbon derivative
- Organic nitrogen compound
- Organooxygen compound
- Organonitrogen compound
- Organopnictogen compound
- Organic oxygen compound
- Organic oxide
- Aromatic heteropolycyclic compound
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| Molecular Framework | Aromatic heteropolycyclic compounds |
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| External Descriptors | Not Available |
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| Ontology |
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| Physiological effect | Not Available |
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| Disposition | |
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| Process | Not Available |
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| Role | |
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| Physical Properties |
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| State | Solid |
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| Experimental Molecular Properties | | Property | Value | Reference |
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| Melting Point | 160 - 161 °C | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | Not Available | Not Available | | LogP | Not Available | Not Available |
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| Experimental Chromatographic Properties | Not Available |
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| Predicted Molecular Properties | |
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| Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Retention Times Underivatized| Chromatographic Method | Retention Time | Reference |
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| Measured using a Waters Acquity ultraperformance liquid chromatography (UPLC) ethylene-bridged hybrid (BEH) C18 column (100 mm × 2.1 mm; 1.7 μmparticle diameter). Predicted by Afia on May 17, 2022. Predicted by Afia on May 17, 2022. | 3.63 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 11.2331 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.28 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1477.1 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 392.4 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 145.1 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 246.5 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 239.4 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 379.8 seconds | 40023050 | | BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid | 474.5 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 128.7 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 952.8 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 347.9 seconds | 40023050 | | UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid | 1081.3 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 339.6 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 303.1 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 411.8 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 315.2 seconds | 40023050 | | Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water | 75.6 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized |
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| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted GC-MS | Predicted GC-MS Spectrum - 6-Methoxy-2(3H)-benzoxazolone GC-MS (Non-derivatized) - 70eV, Positive | splash10-00xr-1900000000-ae55931a6532474213eb | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 6-Methoxy-2(3H)-benzoxazolone GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 6-Methoxy-2(3H)-benzoxazolone GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | MS | Mass Spectrum (Electron Ionization) | splash10-1000-9800000000-b7f572346c850aedd8ad | 2015-03-01 | Not Available | View Spectrum |
MS/MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Experimental LC-MS/MS | LC-MS/MS Spectrum - 6-Methoxy-2(3H)-benzoxazolone 6V, Negative-QTOF | splash10-0002-0900000000-fffb3a4c848b2a0dd10a | 2021-09-20 | HMDB team, MONA | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 6-Methoxy-2(3H)-benzoxazolone 10V, Positive-QTOF | splash10-014i-0900000000-e82eff1b272d62124d45 | 2016-08-02 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 6-Methoxy-2(3H)-benzoxazolone 20V, Positive-QTOF | splash10-014i-0900000000-6719525fa8c09d546ab8 | 2016-08-02 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 6-Methoxy-2(3H)-benzoxazolone 40V, Positive-QTOF | splash10-0uxu-5900000000-339ef11a0a1b20fab447 | 2016-08-02 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 6-Methoxy-2(3H)-benzoxazolone 10V, Negative-QTOF | splash10-03di-0900000000-2eafa61b506b198e6d87 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 6-Methoxy-2(3H)-benzoxazolone 20V, Negative-QTOF | splash10-03di-0900000000-b8aeb67e44838d074a0a | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 6-Methoxy-2(3H)-benzoxazolone 40V, Negative-QTOF | splash10-0005-5900000000-421d3edef6a74ac871c6 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 6-Methoxy-2(3H)-benzoxazolone 10V, Positive-QTOF | splash10-014i-0900000000-52879b1c24e4e827f43a | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 6-Methoxy-2(3H)-benzoxazolone 20V, Positive-QTOF | splash10-014i-0900000000-39903a20e890e6c55a27 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 6-Methoxy-2(3H)-benzoxazolone 40V, Positive-QTOF | splash10-01xw-9500000000-04fb799eee300bb0ff59 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 6-Methoxy-2(3H)-benzoxazolone 10V, Negative-QTOF | splash10-03di-0900000000-65490e650f013cfe115e | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 6-Methoxy-2(3H)-benzoxazolone 20V, Negative-QTOF | splash10-03di-1900000000-25a1dd3e12969e3c6451 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 6-Methoxy-2(3H)-benzoxazolone 40V, Negative-QTOF | splash10-006x-9500000000-738460d14bd58c753814 | 2021-09-22 | Wishart Lab | View Spectrum |
NMR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum |
IR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M-H]-) | 2023-02-04 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+) | 2023-02-04 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+) | 2023-02-04 | FELIX lab | View Spectrum |
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