| Record Information |
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| Version | 5.0 |
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| Status | Detected but not Quantified |
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| Creation Date | 2021-09-11 12:38:56 UTC |
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| Update Date | 2022-11-23 22:13:43 UTC |
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| HMDB ID | HMDB0253791 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | Ketomethylvaleric acid |
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| Description | Ketomethylvaleric acid belongs to the class of organic compounds known as methyl-branched fatty acids. These are fatty acids with an acyl chain that has a methyl branch. Usually, they are saturated and contain only one or more methyl group. However, branches other than methyl may be present. Based on a literature review very few articles have been published on Ketomethylvaleric acid. This compound has been identified in human blood as reported by (PMID: 31557052 ). Ketomethylvaleric acid is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Ketomethylvaleric acid is part of the human exposome. The exposome can be defined as the collection of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual's exposure begins before birth and includes insults from environmental and occupational sources. |
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| Structure | InChI=1S/C6H10O3/c1-2-3-5(4-7)6(8)9/h4-5H,2-3H2,1H3,(H,8,9) |
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| Synonyms | | Value | Source |
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| Ketomethylvalerate | Generator |
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| Chemical Formula | C6H10O3 |
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| Average Molecular Weight | 130.143 |
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| Monoisotopic Molecular Weight | 130.062994182 |
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| IUPAC Name | 2-formylpentanoic acid |
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| Traditional Name | 2-formylpentanoic acid |
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| CAS Registry Number | Not Available |
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| SMILES | CCCC(C=O)C(O)=O |
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| InChI Identifier | InChI=1S/C6H10O3/c1-2-3-5(4-7)6(8)9/h4-5H,2-3H2,1H3,(H,8,9) |
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| InChI Key | VNRIWZBKVPOKDE-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as methyl-branched fatty acids. These are fatty acids with an acyl chain that has a methyl branch. Usually, they are saturated and contain only one or more methyl group. However, branches other than methyl may be present. |
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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 | Methyl-branched fatty acids |
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| Alternative Parents | |
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| Substituents | - Methyl-branched fatty acid
- 1,3-dicarbonyl compound
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Carboxylic acid derivative
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Carbonyl group
- Aldehyde
- Aliphatic acyclic compound
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| Molecular Framework | Aliphatic acyclic 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 | 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 | 10.2276 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.33 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1244.6 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 344.0 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 115.3 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 221.2 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 108.4 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 364.4 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 | 423.3 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 103.8 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 766.0 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 307.8 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 | 1004.5 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 242.7 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 297.7 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 428.4 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 261.8 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 | 146.8 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| ketomethylvaleric acid,2TMS,isomer #1 | CCCC(=CO[Si](C)(C)C)C(=O)O[Si](C)(C)C | 1348.4 | Semi standard non polar | 33892256 | | ketomethylvaleric acid,2TMS,isomer #1 | CCCC(=CO[Si](C)(C)C)C(=O)O[Si](C)(C)C | 1267.1 | Standard non polar | 33892256 | | ketomethylvaleric acid,2TMS,isomer #1 | CCCC(=CO[Si](C)(C)C)C(=O)O[Si](C)(C)C | 1366.7 | Standard polar | 33892256 | | ketomethylvaleric acid,2TBDMS,isomer #1 | CCCC(=CO[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 1764.1 | Semi standard non polar | 33892256 | | ketomethylvaleric acid,2TBDMS,isomer #1 | CCCC(=CO[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 1659.8 | Standard non polar | 33892256 | | ketomethylvaleric acid,2TBDMS,isomer #1 | CCCC(=CO[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 1680.1 | Standard 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 - Ketomethylvaleric acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-005c-9200000000-d92bff1318031b51afe3 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Ketomethylvaleric acid GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Ketomethylvaleric acid GC-MS (TMS_1_1) - 70eV, Positive | Not Available | 2021-11-04 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Ketomethylvaleric acid GC-MS (TMS_1_2) - 70eV, Positive | Not Available | 2021-11-04 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Ketomethylvaleric acid GC-MS (TBDMS_1_1) - 70eV, Positive | Not Available | 2021-11-04 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Ketomethylvaleric acid GC-MS (TBDMS_1_2) - 70eV, Positive | Not Available | 2021-11-04 | 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 - Ketomethylvaleric acid 10V, Positive-QTOF | splash10-0a4r-9100000000-7e206cbc98f490cef494 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ketomethylvaleric acid 20V, Positive-QTOF | splash10-0a4i-9000000000-1b7762c2af30b0f11712 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ketomethylvaleric acid 40V, Positive-QTOF | splash10-052f-9000000000-6afb3ca6dc1f696a2051 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ketomethylvaleric acid 10V, Negative-QTOF | splash10-004i-5900000000-792b5e5b15b882dc41cd | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ketomethylvaleric acid 20V, Negative-QTOF | splash10-0019-9000000000-1e47449df08dd30a3486 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ketomethylvaleric acid 40V, Negative-QTOF | splash10-0a5c-9000000000-b4313c3b8fdf44f7fdbc | 2021-10-12 | Wishart Lab | View Spectrum |
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