| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2021-09-23 17:40:42 UTC |
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| Update Date | 2021-09-23 17:40:43 UTC |
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| HMDB ID | HMDB0302424 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | Hexenoic acid |
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| Description | Hexenoic acid, also known as a,b-hexenoate or alpha,beta-hexenoic acid, is a member of the class of compounds known as medium-chain fatty acids. Medium-chain fatty acids are fatty acids with an aliphatic tail that contains between 4 and 12 carbon atoms. Hexenoic acid is slightly soluble (in water) and a very weakly acidic compound (based on its pKa). Hexenoic acid can be found in tea, which makes hexenoic acid a potential biomarker for the consumption of this food product. |
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| Structure | InChI=1S/C6H10O2/c1-2-3-4-5-6(7)8/h4-5H,2-3H2,1H3,(H,7,8) |
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| Synonyms | | Value | Source |
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| 2-Hexenoic acids | ChEBI | | alpha,beta-Hexenoic acid | ChEBI | | Alpha.beta-hexensaeure | ChEBI | | beta-Propylacrylic acid | ChEBI | | C6:1, N-4 | ChEBI | | Hex-2-enoic acids | ChEBI | | Hex-2-ensaeure | ChEBI | | a,b-Hexenoate | Generator | | a,b-Hexenoic acid | Generator | | alpha,beta-Hexenoate | Generator | | Α,β-hexenoate | Generator | | Α,β-hexenoic acid | Generator | | b-Propylacrylate | Generator | | b-Propylacrylic acid | Generator | | beta-Propylacrylate | Generator | | Β-propylacrylate | Generator | | Β-propylacrylic acid | Generator | | 2-Hexenoate | Generator | | Hexenoate | Generator |
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| Chemical Formula | C6H10O2 |
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| Average Molecular Weight | 114.144 |
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| Monoisotopic Molecular Weight | 114.068079562 |
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| IUPAC Name | hex-2-enoic acid |
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| Traditional Name | 2-hexenoic acid |
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| CAS Registry Number | Not Available |
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| SMILES | CCCC=CC(O)=O |
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| InChI Identifier | InChI=1S/C6H10O2/c1-2-3-4-5-6(7)8/h4-5H,2-3H2,1H3,(H,7,8) |
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| InChI Key | NIONDZDPPYHYKY-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as medium-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 4 and 12 carbon atoms. |
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| Kingdom | Organic compounds |
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| Super Class | Lipids and lipid-like molecules |
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| Class | Fatty Acyls |
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| Sub Class | Fatty acids and conjugates |
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| Direct Parent | Medium-chain fatty acids |
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| Alternative Parents | |
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| Substituents | - Medium-chain fatty acid
- Unsaturated fatty acid
- Straight chain fatty acid
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Carboxylic acid derivative
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Carbonyl group
- Aliphatic acyclic compound
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| Molecular Framework | Aliphatic acyclic compounds |
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| External Descriptors | |
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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 | Not Available |
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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 | 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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| Predicted by Siyang on May 30, 2022 | 13.1927 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 3.55 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1706.7 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 434.2 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 154.4 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 311.1 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 222.0 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 493.3 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 | 518.1 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 173.8 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 1098.3 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 391.4 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 | 1209.7 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 359.9 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 368.0 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 533.9 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 405.2 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 | 63.5 seconds | 40023050 |
Predicted Kovats Retention IndicesNot Available |
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| 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 - Hexenoic acid 10V, Positive-QTOF | splash10-014j-9600000000-eaa3728999b34ebbea06 | 2016-08-02 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Hexenoic acid 20V, Positive-QTOF | splash10-066r-9100000000-fe3554c88d2acfdfce53 | 2016-08-02 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Hexenoic acid 40V, Positive-QTOF | splash10-1003-9000000000-26fb9c3ba45f48fde1d3 | 2016-08-02 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Hexenoic acid 10V, Negative-QTOF | splash10-03di-2900000000-496dfd8f9f1d7037d391 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Hexenoic acid 20V, Negative-QTOF | splash10-03xr-8900000000-ef90155338716180e203 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Hexenoic acid 40V, Negative-QTOF | splash10-00kf-9000000000-fbf5e69c0317bbb65f64 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Hexenoic acid 10V, Positive-QTOF | splash10-014j-9000000000-d2deaba93ed93d78f590 | 2021-10-21 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Hexenoic acid 20V, Positive-QTOF | splash10-0ar3-9000000000-59f6c7ca3b46acbe05cd | 2021-10-21 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Hexenoic acid 40V, Positive-QTOF | splash10-05ox-9000000000-fb93e8fb7da10fceb793 | 2021-10-21 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Hexenoic acid 10V, Negative-QTOF | splash10-0002-9300000000-319fba10b832c88f088a | 2021-10-21 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Hexenoic acid 20V, Negative-QTOF | splash10-004j-9000000000-317e8d72fc54fce8418f | 2021-10-21 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Hexenoic acid 40V, Negative-QTOF | splash10-014i-9000000000-98e625a7d5eb1d572482 | 2021-10-21 | Wishart Lab | View Spectrum |
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