| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2012-09-11 22:42:24 UTC |
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| Update Date | 2022-03-07 02:55:20 UTC |
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| HMDB ID | HMDB0037456 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | 3,4',5,6,8-Pentamethoxyflavone |
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| Description | 3,4',5,6,8-Pentamethoxyflavone belongs to the class of organic compounds known as 8-o-methylated flavonoids. These are flavonoids with methoxy groups attached to the C8 atom of the flavonoid backbone. 3,4',5,6,8-Pentamethoxyflavone has been detected, but not quantified in, citrus. This could make 3,4',5,6,8-pentamethoxyflavone a potential biomarker for the consumption of these foods. Based on a literature review very few articles have been published on 3,4',5,6,8-Pentamethoxyflavone. |
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| Structure | COC1=CC=C(C=C1)C1=C(OC)C(=O)C2=C(OC)C(OC)=CC(OC)=C2O1 InChI=1S/C20H20O7/c1-22-12-8-6-11(7-9-12)17-20(26-5)16(21)15-18(25-4)13(23-2)10-14(24-3)19(15)27-17/h6-10H,1-5H3 |
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| Synonyms | | Value | Source |
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| Diphenylethoxyphosphine | HMDB | | Ethyl diphenylphosphinite | HMDB | | Phosphinous acid, diphenyl-, ethyl ester | HMDB |
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| Chemical Formula | C20H20O7 |
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| Average Molecular Weight | 372.3686 |
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| Monoisotopic Molecular Weight | 372.120902994 |
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| IUPAC Name | 3,5,6,8-tetramethoxy-2-(4-methoxyphenyl)-4H-chromen-4-one |
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| Traditional Name | 3,5,6,8-tetramethoxy-2-(4-methoxyphenyl)chromen-4-one |
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| CAS Registry Number | 62953-03-1 |
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| SMILES | COC1=CC=C(C=C1)C1=C(OC)C(=O)C2=C(OC)C(OC)=CC(OC)=C2O1 |
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| InChI Identifier | InChI=1S/C20H20O7/c1-22-12-8-6-11(7-9-12)17-20(26-5)16(21)15-18(25-4)13(23-2)10-14(24-3)19(15)27-17/h6-10H,1-5H3 |
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| InChI Key | JPQBOQRCDMMBBM-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as 8-o-methylated flavonoids. These are flavonoids with methoxy groups attached to the C8 atom of the flavonoid backbone. |
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| Kingdom | Organic compounds |
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| Super Class | Phenylpropanoids and polyketides |
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| Class | Flavonoids |
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| Sub Class | O-methylated flavonoids |
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| Direct Parent | 8-O-methylated flavonoids |
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| Alternative Parents | |
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| Substituents | - 3-methoxyflavonoid-skeleton
- 4p-methoxyflavonoid-skeleton
- 5-methoxyflavonoid-skeleton
- 6-methoxyflavonoid-skeleton
- 8-methoxyflavonoid-skeleton
- Flavone
- 3-methoxychromone
- Chromone
- Benzopyran
- 1-benzopyran
- Phenoxy compound
- Anisole
- Methoxybenzene
- Phenol ether
- Alkyl aryl ether
- Pyranone
- Monocyclic benzene moiety
- Pyran
- Benzenoid
- Heteroaromatic compound
- Vinylogous ester
- Organoheterocyclic compound
- Ether
- Oxacycle
- Hydrocarbon derivative
- Organooxygen compound
- Organic oxide
- Organic oxygen compound
- 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 | 142 - 144 °C | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | 26.97 mg/L @ 25 °C (est) | The Good Scents Company Information System | | 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. | 7.64 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 15.698 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 0.84 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 2769.9 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 373.8 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 222.3 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 208.9 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 230.5 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 616.1 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 | 733.2 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 156.9 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 1416.5 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 560.9 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 | 1534.0 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 430.2 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 461.8 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 333.6 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 497.7 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 | 9.2 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatized| Metabolite | SMILES | Kovats RI Value | Column Type | Reference |
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| 3,4',5,6,8-Pentamethoxyflavone | COC1=CC=C(C=C1)C1=C(OC)C(=O)C2=C(OC)C(OC)=CC(OC)=C2O1 | 4498.7 | Standard polar | 33892256 | | 3,4',5,6,8-Pentamethoxyflavone | COC1=CC=C(C=C1)C1=C(OC)C(=O)C2=C(OC)C(OC)=CC(OC)=C2O1 | 3185.1 | Standard non polar | 33892256 | | 3,4',5,6,8-Pentamethoxyflavone | COC1=CC=C(C=C1)C1=C(OC)C(=O)C2=C(OC)C(OC)=CC(OC)=C2O1 | 3168.7 | Semi standard non polar | 33892256 |
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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 - 3,4',5,6,8-Pentamethoxyflavone GC-MS (Non-derivatized) - 70eV, Positive | splash10-052f-0219000000-2287746e1ce90b2decd2 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 3,4',5,6,8-Pentamethoxyflavone GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3,4',5,6,8-Pentamethoxyflavone 10V, Positive-QTOF | splash10-00di-0009000000-d017dd60884f501c77d0 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3,4',5,6,8-Pentamethoxyflavone 20V, Positive-QTOF | splash10-00di-0009000000-d629d919c4c955ae805d | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3,4',5,6,8-Pentamethoxyflavone 40V, Positive-QTOF | splash10-03dl-0449000000-fe38cae48f0533cd4ded | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3,4',5,6,8-Pentamethoxyflavone 10V, Negative-QTOF | splash10-00di-0009000000-5ba79d634001afa1e28d | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3,4',5,6,8-Pentamethoxyflavone 20V, Negative-QTOF | splash10-00di-0009000000-4cf07bf207d816ec34d8 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3,4',5,6,8-Pentamethoxyflavone 40V, Negative-QTOF | splash10-03di-1927000000-255cb79dd22c9eee2fc2 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3,4',5,6,8-Pentamethoxyflavone 10V, Negative-QTOF | splash10-00di-0009000000-c528cfb3e87592b0a62b | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3,4',5,6,8-Pentamethoxyflavone 20V, Negative-QTOF | splash10-00di-0029000000-2382023a76e302e4447a | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3,4',5,6,8-Pentamethoxyflavone 40V, Negative-QTOF | splash10-0a4r-1932000000-74b77d17e741f14b02ea | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3,4',5,6,8-Pentamethoxyflavone 10V, Positive-QTOF | splash10-00di-0009000000-aa9385dbb205bb238b88 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3,4',5,6,8-Pentamethoxyflavone 20V, Positive-QTOF | splash10-00di-0009000000-561194c794bb851f3241 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3,4',5,6,8-Pentamethoxyflavone 40V, Positive-QTOF | splash10-03k9-2195000000-30e47aeb9d466c8689a5 | 2021-09-24 | Wishart Lab | View Spectrum |
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