| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2017-03-16 03:44:25 UTC |
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| Update Date | 2022-03-07 03:17:53 UTC |
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| HMDB ID | HMDB0062334 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | N-Linoleoyl GABA |
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| Description | GABA linoleamide, also known as gabalid or gaba-linoleamide, belongs to the class of organic compounds known as gamma amino acids and derivatives. These are amino acids having a (-NH2) group attached to the gamma carbon atom. GABA linoleamide is a very strong basic compound (based on its pKa). |
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| Structure | [H]\C(CCCCC)=C(/[H])C\C([H])=C(\[H])CCCCCCCC(O)=NCCCC(O)=O InChI=1S/C22H39NO3/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-18-21(24)23-20-17-19-22(25)26/h6-7,9-10H,2-5,8,11-20H2,1H3,(H,23,24)(H,25,26)/b7-6-,10-9- |
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| Synonyms | | Value | Source |
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| Gabalid | MeSH | | GABA-linoleamide | MeSH | | GABA linoleamide | HMDB |
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| Chemical Formula | C22H39NO3 |
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| Average Molecular Weight | 365.558 |
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| Monoisotopic Molecular Weight | 365.29299412 |
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| IUPAC Name | 4-{[(9Z,12Z)-1-hydroxyoctadeca-9,12-dien-1-ylidene]amino}butanoic acid |
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| Traditional Name | 4-{[(9Z,12Z)-1-hydroxyoctadeca-9,12-dien-1-ylidene]amino}butanoic acid |
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| CAS Registry Number | Not Available |
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| SMILES | [H]\C(CCCCC)=C(/[H])C\C([H])=C(\[H])CCCCCCCC(O)=NCCCC(O)=O |
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| InChI Identifier | InChI=1S/C22H39NO3/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-18-21(24)23-20-17-19-22(25)26/h6-7,9-10H,2-5,8,11-20H2,1H3,(H,23,24)(H,25,26)/b7-6-,10-9- |
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| InChI Key | YGFYZZQGVSUXJE-HZJYTTRNSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as gamma amino acids and derivatives. These are amino acids having a (-NH2) group attached to the gamma carbon atom. |
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| Kingdom | Organic compounds |
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| Super Class | Organic acids and derivatives |
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| Class | Carboxylic acids and derivatives |
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| Sub Class | Amino acids, peptides, and analogues |
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| Direct Parent | Gamma amino acids and derivatives |
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| Alternative Parents | |
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| Substituents | - Gamma amino acid or derivatives
- Fatty amide
- N-acyl-amine
- Straight chain fatty acid
- Fatty acyl
- Carboxamide group
- Secondary carboxylic acid amide
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Organooxygen compound
- Organonitrogen compound
- Carbonyl group
- Organic nitrogen compound
- Hydrocarbon derivative
- Organic oxide
- Organic oxygen compound
- 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 | 0.00024 g/l | ALOGPS | | LogP | 6.64 | ALOGPS |
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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. | 9.36 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 20.9198 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.45 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 3090.7 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 353.7 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 220.8 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 219.1 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 669.0 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 980.8 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 | 645.8 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 124.2 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 2001.5 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 677.6 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 | 1836.7 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 671.7 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 498.3 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 337.2 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 402.3 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 | 8.6 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| N-Linoleoyl GABA,1TMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCC(=NCCCC(=O)O)O[Si](C)(C)C | 2929.0 | Semi standard non polar | 33892256 | | N-Linoleoyl GABA,1TMS,isomer #2 | CCCCC/C=C\C/C=C\CCCCCCCC(O)=NCCCC(=O)O[Si](C)(C)C | 2849.5 | Semi standard non polar | 33892256 | | N-Linoleoyl GABA,2TMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCC(=NCCCC(=O)O[Si](C)(C)C)O[Si](C)(C)C | 2901.3 | Semi standard non polar | 33892256 | | N-Linoleoyl GABA,1TBDMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCC(=NCCCC(=O)O)O[Si](C)(C)C(C)(C)C | 3149.7 | Semi standard non polar | 33892256 | | N-Linoleoyl GABA,1TBDMS,isomer #2 | CCCCC/C=C\C/C=C\CCCCCCCC(O)=NCCCC(=O)O[Si](C)(C)C(C)(C)C | 3101.8 | Semi standard non polar | 33892256 | | N-Linoleoyl GABA,2TBDMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCC(=NCCCC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 3354.5 | 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 - N-Linoleoyl GABA GC-MS (Non-derivatized) - 70eV, Positive | splash10-0006-7982000000-81228bc8eb89d0dcba7a | 2017-09-20 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - N-Linoleoyl GABA GC-MS (2 TMS) - 70eV, Positive | splash10-0fkc-7825900000-276d3e3f6690f0ce7c19 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - N-Linoleoyl GABA 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 - N-Linoleoyl GABA 10V, Positive-QTOF | splash10-0f6t-4319000000-ef0af39feffff1d598a7 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Linoleoyl GABA 20V, Positive-QTOF | splash10-0udr-9411000000-b036c286ac42cdff7f8a | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Linoleoyl GABA 40V, Positive-QTOF | splash10-0zg3-9310000000-dae6763424008faddd3a | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Linoleoyl GABA 10V, Negative-QTOF | splash10-03di-0019000000-07e1cc302df1eb9eabf3 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Linoleoyl GABA 20V, Negative-QTOF | splash10-0imj-2359000000-10de7de23763421e9278 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Linoleoyl GABA 40V, Negative-QTOF | splash10-0006-9130000000-826f93892c14b262d230 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Linoleoyl GABA 10V, Negative-QTOF | splash10-03dj-0009000000-c7f46e59cc007cab327f | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Linoleoyl GABA 20V, Negative-QTOF | splash10-03di-4349000000-e36cbb226d674f4a5570 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Linoleoyl GABA 40V, Negative-QTOF | splash10-0gx0-9540000000-d13f5b0ad540664c5883 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Linoleoyl GABA 10V, Positive-QTOF | splash10-0gb9-4429000000-e1f822e2fbe8d93c7923 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Linoleoyl GABA 20V, Positive-QTOF | splash10-0uei-9513000000-425ab30a3c9cd4ff7d29 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - N-Linoleoyl GABA 40V, Positive-QTOF | splash10-0f7o-9500000000-d22cf429f4fb423bcb42 | 2021-09-23 | Wishart Lab | View Spectrum |
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