| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2008-10-15 12:12:16 UTC |
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| Update Date | 2022-03-07 02:51:03 UTC |
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| HMDB ID | HMDB0010735 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Trans-Hexa-dec-2-enoic acid |
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| Description | In humans fatty acids are predominantly formed in the liver and adipose tissue, and mammary glands during lactation. Trans-hexa-dec-2-enoic acid is an intermediate in fatty acid biosynthesis. Specifically, trans-hexa-dec-2-enoic acid converted from (R)-3-Hydroxy-hexadecanoic acid via two enzymes; fatty-acid Synthase and 3- Hydroxypalmitoyl- [acyl-carrier-protein] dehydratase (EC: 2.3.1.85 and EC: 4.2.1.61). |
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| Structure | [H]\C(CCCCCCCCCCCCC)=C(\[H])C(O)=O InChI=1S/C16H30O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16(17)18/h14-15H,2-13H2,1H3,(H,17,18)/b15-14+ |
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| Synonyms | | Value | Source |
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| trans-Hexa-dec-2-enoate | Generator | | (2E)-Hexadecenoic acid | ChEBI | | (e)-2-Hexadecenoic acid | ChEBI | | 2-Palmitoleic acid | ChEBI | | 2-trans-Hexadecenoic acid | ChEBI | | Gaidic acid | ChEBI | | t-16:1D2 | ChEBI | | t-2-Hexadecenoic acid | ChEBI | | trans-2-Hexadecenoic acid | ChEBI | | trans-Delta(2)-Hexadecenoic acid | ChEBI | | trans-Hexadec-2-enoic acid | ChEBI | | (2E)-Hexadecenoate | Generator | | (e)-2-Hexadecenoate | Generator | | 2-Palmitoleate | Generator | | 2-trans-Hexadecenoate | Generator | | Gaidate | Generator | | t-2-Hexadecenoate | Generator | | trans-2-Hexadecenoate | Generator | | trans-delta(2)-Hexadecenoate | Generator | | trans-δ(2)-hexadecenoate | Generator | | trans-δ(2)-hexadecenoic acid | Generator | | trans-Hexadec-2-enoate | Generator | | Hexadecenoic acid, (e)-isomer | MeSH, HMDB | | cis-Hexadecenoic acid | MeSH, HMDB | | Hexadecenoic acid | MeSH, HMDB | | Hexadecenoic acid, (Z)-isomer | MeSH, HMDB | | trans-Hexadecenoic acid | MeSH, HMDB |
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| Chemical Formula | C16H30O2 |
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| Average Molecular Weight | 254.4082 |
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| Monoisotopic Molecular Weight | 254.224580204 |
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| IUPAC Name | (2E)-hexadec-2-enoic acid |
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| Traditional Name | hexadecenoic acid |
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| CAS Registry Number | Not Available |
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| SMILES | [H]\C(CCCCCCCCCCCCC)=C(\[H])C(O)=O |
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| InChI Identifier | InChI=1S/C16H30O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16(17)18/h14-15H,2-13H2,1H3,(H,17,18)/b15-14+ |
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| InChI Key | ZVRMGCSSSYZGSM-CCEZHUSRSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as long-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 13 and 21 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 | Long-chain fatty acids |
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| Alternative Parents | |
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| Substituents | - Long-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 | |
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| Role | Not Available |
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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 | 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 | Experimental Collision Cross Sections |
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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. | 10.4 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 23.9952 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.77 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 36.8 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 3027.6 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 713.3 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 267.9 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 428.3 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 574.5 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1011.5 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 | 970.7 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 136.3 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 2222.6 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 635.4 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 | 1913.7 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 808.6 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 551.1 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 780.7 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 643.7 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 | 8.0 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized |
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| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Experimental GC-MS | GC-MS Spectrum - Trans-Hexa-dec-2-enoic acid GC-MS (1 TMS) | splash10-017j-5900000000-58442a5c08ea8c4926d0 | 2014-06-16 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - Trans-Hexa-dec-2-enoic acid GC-MS (Non-derivatized) | splash10-017j-5900000000-58442a5c08ea8c4926d0 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Trans-Hexa-dec-2-enoic acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-01p6-9820000000-ca98f4a0dd8ff557bc6c | 2016-09-22 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Trans-Hexa-dec-2-enoic acid GC-MS (1 TMS) - 70eV, Positive | splash10-022i-9551000000-39e4b8ad34555c61b4ad | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Trans-Hexa-dec-2-enoic acid 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 - Trans-Hexa-dec-2-enoic acid 10V, Positive-QTOF | splash10-0a4r-0190000000-1228a4503bc27bed1ebf | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Trans-Hexa-dec-2-enoic acid 20V, Positive-QTOF | splash10-0a4l-3960000000-1370ead704dcac4cec1f | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Trans-Hexa-dec-2-enoic acid 40V, Positive-QTOF | splash10-052f-9700000000-85e6708e40be2971ffc9 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Trans-Hexa-dec-2-enoic acid 10V, Negative-QTOF | splash10-0udi-0090000000-bb3d892e7f48a711d0ce | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Trans-Hexa-dec-2-enoic acid 20V, Negative-QTOF | splash10-0zfr-0090000000-6a46dea6de3429b73374 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Trans-Hexa-dec-2-enoic acid 40V, Negative-QTOF | splash10-0a4l-9440000000-668a65146f3042b031de | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Trans-Hexa-dec-2-enoic acid 10V, Negative-QTOF | splash10-0udi-0090000000-37cfc189faecac3c9577 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Trans-Hexa-dec-2-enoic acid 20V, Negative-QTOF | splash10-0udi-0090000000-b570c7cdc86145fba021 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Trans-Hexa-dec-2-enoic acid 40V, Negative-QTOF | splash10-00n0-1960000000-8371cc75a9113569270b | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Trans-Hexa-dec-2-enoic acid 10V, Positive-QTOF | splash10-0a4r-4490000000-61560c3648170efe9274 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Trans-Hexa-dec-2-enoic acid 20V, Positive-QTOF | splash10-0ab9-9520000000-26416932e2aa67751576 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Trans-Hexa-dec-2-enoic acid 40V, Positive-QTOF | splash10-0aor-9100000000-9eed9d946622d4a4c83c | 2021-09-24 | Wishart Lab | View Spectrum |
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