| 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 17:44:19 UTC |
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| Update Date | 2023-02-21 17:20:58 UTC |
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| HMDB ID | HMDB0031606 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | 4-Penten-2-one |
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| Description | 4-Penten-2-one belongs to the class of organic compounds known as ketones. These are organic compounds in which a carbonyl group is bonded to two carbon atoms R2C=O (neither R may be a hydrogen atom). Ketones that have one or more alpha-hydrogen atoms undergo keto-enol tautomerization, the tautomer being an enol. Thus, 4-penten-2-one is considered to be an oxygenated hydrocarbon. 4-Penten-2-one has been detected, but not quantified in, fruits and tamarinds (Tamarindus indica). This could make 4-penten-2-one a potential biomarker for the consumption of these foods. 4-Penten-2-one is a secondary metabolite. Secondary metabolites are metabolically or physiologically non-essential metabolites that may serve a role as defense or signalling molecules. In some cases they are simply molecules that arise from the incomplete metabolism of other secondary metabolites. Based on a literature review very few articles have been published on 4-Penten-2-one. |
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| Structure | InChI=1S/C5H8O/c1-3-4-5(2)6/h3H,1,4H2,2H3 |
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| Synonyms | | Value | Source |
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| Allyl methyl ketone | HMDB | | Vinylacetone | HMDB |
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| Chemical Formula | C5H8O |
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| Average Molecular Weight | 84.1164 |
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| Monoisotopic Molecular Weight | 84.057514878 |
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| IUPAC Name | pent-4-en-2-one |
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| Traditional Name | pent-4-en-2-one |
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| CAS Registry Number | 13891-87-7 |
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| SMILES | CC(=O)CC=C |
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| InChI Identifier | InChI=1S/C5H8O/c1-3-4-5(2)6/h3H,1,4H2,2H3 |
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| InChI Key | PNJWIWWMYCMZRO-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as ketones. These are organic compounds in which a carbonyl group is bonded to two carbon atoms R2C=O (neither R may be a hydrogen atom). Ketones that have one or more alpha-hydrogen atoms undergo keto-enol tautomerization, the tautomer being an enol. |
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| Kingdom | Organic compounds |
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| Super Class | Organic oxygen compounds |
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| Class | Organooxygen compounds |
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| Sub Class | Carbonyl compounds |
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| Direct Parent | Ketones |
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| Alternative Parents | |
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| Substituents | - Ketone
- Organic oxide
- Hydrocarbon derivative
- 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 | |
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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. | 2.75 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 11.4348 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 4.34 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 57.4 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1469.6 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 428.6 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 159.9 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 297.9 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 125.8 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 378.2 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 | 476.2 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 129.2 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 913.9 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 308.4 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 | 988.7 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 311.6 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 304.1 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 492.8 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 394.6 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 | 77.2 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| 4-Penten-2-one,1TMS,isomer #1 | C=CC=C(C)O[Si](C)(C)C | 937.0 | Semi standard non polar | 33892256 | | 4-Penten-2-one,1TMS,isomer #1 | C=CC=C(C)O[Si](C)(C)C | 871.1 | Standard non polar | 33892256 | | 4-Penten-2-one,1TMS,isomer #2 | C=CCC(=C)O[Si](C)(C)C | 846.0 | Semi standard non polar | 33892256 | | 4-Penten-2-one,1TMS,isomer #2 | C=CCC(=C)O[Si](C)(C)C | 877.7 | Standard non polar | 33892256 | | 4-Penten-2-one,1TBDMS,isomer #1 | C=CC=C(C)O[Si](C)(C)C(C)(C)C | 1154.7 | Semi standard non polar | 33892256 | | 4-Penten-2-one,1TBDMS,isomer #1 | C=CC=C(C)O[Si](C)(C)C(C)(C)C | 1083.9 | Standard non polar | 33892256 | | 4-Penten-2-one,1TBDMS,isomer #2 | C=CCC(=C)O[Si](C)(C)C(C)(C)C | 1072.4 | Semi standard non polar | 33892256 | | 4-Penten-2-one,1TBDMS,isomer #2 | C=CCC(=C)O[Si](C)(C)C(C)(C)C | 1087.4 | Standard non polar | 33892256 |
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