| 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 17:58:02 UTC |
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| Update Date | 2022-03-07 02:53:38 UTC |
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| HMDB ID | HMDB0033254 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Comosin |
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| Description | Comosin belongs to the class of organic compounds known as 3'-hydroxy,4'-methoxyisoflavonoids. These are isoflavonoids carrying a methoxy group attached to the C4' atom, as well as a hydroxyl group at the C3'-position of the isoflavonoid backbone. Comosin has been detected, but not quantified in, herbs and spices. This could make comosin a potential biomarker for the consumption of these foods. Based on a literature review very few articles have been published on Comosin. |
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| Structure | COC1=C(O)C=C(C=C1)C1(COC(C)=O)COC2=CC(O)=CC(O)=C2C1=O InChI=1S/C19H18O8/c1-10(20)26-8-19(11-3-4-15(25-2)13(22)5-11)9-27-16-7-12(21)6-14(23)17(16)18(19)24/h3-7,21-23H,8-9H2,1-2H3 |
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| Synonyms | | Value | Source |
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| 3-[(Acetyloxy)methyl]-2,3-dihydro-5,7-dihydroxy-3-(3-hydroxy-4-methoxyphenyl)-4H-1-benzopyran-4-one, 9ci | HMDB | | [5,7-Dihydroxy-3-(3-hydroxy-4-methoxyphenyl)-4-oxo-3,4-dihydro-2H-1-benzopyran-3-yl]methyl acetic acid | Generator |
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| Chemical Formula | C19H18O8 |
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| Average Molecular Weight | 374.3414 |
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| Monoisotopic Molecular Weight | 374.100167552 |
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| IUPAC Name | [5,7-dihydroxy-3-(3-hydroxy-4-methoxyphenyl)-4-oxo-3,4-dihydro-2H-1-benzopyran-3-yl]methyl acetate |
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| Traditional Name | [5,7-dihydroxy-3-(3-hydroxy-4-methoxyphenyl)-4-oxo-2H-1-benzopyran-3-yl]methyl acetate |
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| CAS Registry Number | 99877-69-7 |
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| SMILES | COC1=C(O)C=C(C=C1)C1(COC(C)=O)COC2=CC(O)=CC(O)=C2C1=O |
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| InChI Identifier | InChI=1S/C19H18O8/c1-10(20)26-8-19(11-3-4-15(25-2)13(22)5-11)9-27-16-7-12(21)6-14(23)17(16)18(19)24/h3-7,21-23H,8-9H2,1-2H3 |
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| InChI Key | IOLHWMMZYCBLRD-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as 3'-hydroxy,4'-methoxyisoflavonoids. These are isoflavonoids carrying a methoxy group attached to the C4' atom, as well as a hydroxyl group at the C3'-position of the isoflavonoid backbone. |
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| Kingdom | Organic compounds |
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| Super Class | Phenylpropanoids and polyketides |
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| Class | Isoflavonoids |
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| Sub Class | O-methylated isoflavonoids |
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| Direct Parent | 3'-hydroxy,4'-methoxyisoflavonoids |
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| Alternative Parents | |
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| Substituents | - 3'-hydroxy,4'-methoxyisoflavonoid
- Isoflavanol
- Isoflavanone
- Hydroxyisoflavonoid
- Isoflavan
- Chromone
- Chromane
- Benzopyran
- Methoxyphenol
- 1-benzopyran
- Anisole
- Phenoxy compound
- Phenol ether
- Methoxybenzene
- Aryl ketone
- Aryl alkyl ketone
- Phenol
- 1-hydroxy-4-unsubstituted benzenoid
- Alkyl aryl ether
- 1-hydroxy-2-unsubstituted benzenoid
- Benzenoid
- Monocyclic benzene moiety
- Vinylogous acid
- Ketone
- Carboxylic acid ester
- Monocarboxylic acid or derivatives
- Oxacycle
- Organoheterocyclic compound
- Carboxylic acid derivative
- Ether
- Hydrocarbon derivative
- Carbonyl group
- 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 | Not Available |
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| Experimental Molecular Properties | | Property | Value | Reference |
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| Melting Point | Not Available | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | 140.4 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. Predicted by Afia on May 17, 2022. | 7.63 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 11.646 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.8 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 2084.9 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 200.9 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 118.9 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 142.6 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 90.7 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 538.1 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 | 482.4 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 100.4 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 920.2 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 432.0 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 | 1429.5 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 328.0 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 354.8 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 367.8 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 171.9 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 | 193.7 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| Comosin,1TMS,isomer #1 | COC1=CC=C(C2(COC(C)=O)COC3=CC(O)=CC(O)=C3C2=O)C=C1O[Si](C)(C)C | 3048.6 | Semi standard non polar | 33892256 | | Comosin,1TMS,isomer #2 | COC1=CC=C(C2(COC(C)=O)COC3=CC(O[Si](C)(C)C)=CC(O)=C3C2=O)C=C1O | 3053.8 | Semi standard non polar | 33892256 | | Comosin,1TMS,isomer #3 | COC1=CC=C(C2(COC(C)=O)COC3=CC(O)=CC(O[Si](C)(C)C)=C3C2=O)C=C1O | 3081.3 | Semi standard non polar | 33892256 | | Comosin,2TMS,isomer #1 | COC1=CC=C(C2(COC(C)=O)COC3=CC(O[Si](C)(C)C)=CC(O)=C3C2=O)C=C1O[Si](C)(C)C | 2996.0 | Semi standard non polar | 33892256 | | Comosin,2TMS,isomer #2 | COC1=CC=C(C2(COC(C)=O)COC3=CC(O)=CC(O[Si](C)(C)C)=C3C2=O)C=C1O[Si](C)(C)C | 3034.9 | Semi standard non polar | 33892256 | | Comosin,2TMS,isomer #3 | COC1=CC=C(C2(COC(C)=O)COC3=CC(O[Si](C)(C)C)=CC(O[Si](C)(C)C)=C3C2=O)C=C1O | 3017.7 | Semi standard non polar | 33892256 | | Comosin,3TMS,isomer #1 | COC1=CC=C(C2(COC(C)=O)COC3=CC(O[Si](C)(C)C)=CC(O[Si](C)(C)C)=C3C2=O)C=C1O[Si](C)(C)C | 3019.4 | Semi standard non polar | 33892256 | | Comosin,1TBDMS,isomer #1 | COC1=CC=C(C2(COC(C)=O)COC3=CC(O)=CC(O)=C3C2=O)C=C1O[Si](C)(C)C(C)(C)C | 3303.7 | Semi standard non polar | 33892256 | | Comosin,1TBDMS,isomer #2 | COC1=CC=C(C2(COC(C)=O)COC3=CC(O[Si](C)(C)C(C)(C)C)=CC(O)=C3C2=O)C=C1O | 3302.5 | Semi standard non polar | 33892256 | | Comosin,1TBDMS,isomer #3 | COC1=CC=C(C2(COC(C)=O)COC3=CC(O)=CC(O[Si](C)(C)C(C)(C)C)=C3C2=O)C=C1O | 3326.4 | Semi standard non polar | 33892256 | | Comosin,2TBDMS,isomer #1 | COC1=CC=C(C2(COC(C)=O)COC3=CC(O[Si](C)(C)C(C)(C)C)=CC(O)=C3C2=O)C=C1O[Si](C)(C)C(C)(C)C | 3470.1 | Semi standard non polar | 33892256 | | Comosin,2TBDMS,isomer #2 | COC1=CC=C(C2(COC(C)=O)COC3=CC(O)=CC(O[Si](C)(C)C(C)(C)C)=C3C2=O)C=C1O[Si](C)(C)C(C)(C)C | 3499.5 | Semi standard non polar | 33892256 | | Comosin,2TBDMS,isomer #3 | COC1=CC=C(C2(COC(C)=O)COC3=CC(O[Si](C)(C)C(C)(C)C)=CC(O[Si](C)(C)C(C)(C)C)=C3C2=O)C=C1O | 3486.3 | Semi standard non polar | 33892256 | | Comosin,3TBDMS,isomer #1 | COC1=CC=C(C2(COC(C)=O)COC3=CC(O[Si](C)(C)C(C)(C)C)=CC(O[Si](C)(C)C(C)(C)C)=C3C2=O)C=C1O[Si](C)(C)C(C)(C)C | 3654.7 | 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 - Comosin GC-MS (Non-derivatized) - 70eV, Positive | splash10-006x-9407000000-e6875fc47877ce073b12 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Comosin GC-MS (3 TMS) - 70eV, Positive | splash10-00mo-7240090000-8d09136010950bbf2996 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Comosin 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 - Comosin 10V, Positive-QTOF | splash10-004i-0009000000-09e02ecb4276d8c15db2 | 2016-08-02 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Comosin 20V, Positive-QTOF | splash10-0fb9-0719000000-413de110ce15330ec29d | 2016-08-02 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Comosin 40V, Positive-QTOF | splash10-0udl-4911000000-8679bc7c6e4c823f917d | 2016-08-02 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Comosin 10V, Negative-QTOF | splash10-00di-2019000000-2e44c80e01759f5024ab | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Comosin 20V, Negative-QTOF | splash10-0fkc-4459000000-1f3065a56c3f28d6634f | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Comosin 40V, Negative-QTOF | splash10-0f6x-9522000000-b382bc47fd8b24d85004 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Comosin 10V, Negative-QTOF | splash10-0udi-0019000000-3563874681b5f45c47ce | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Comosin 20V, Negative-QTOF | splash10-0zg1-2493000000-740985bf12ca7b3c9d71 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Comosin 40V, Negative-QTOF | splash10-0a4i-9381000000-94f5972466513ce2b923 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Comosin 10V, Positive-QTOF | splash10-004i-0009000000-ced863fc8f33a27a3b82 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Comosin 20V, Positive-QTOF | splash10-0f76-0913000000-c291464e20fe6c7a2ee3 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Comosin 40V, Positive-QTOF | splash10-0pdm-4971000000-ecbe6bd2f338fcc3dbbd | 2021-09-25 | Wishart Lab | View Spectrum |
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