| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2006-05-22 14:17:49 UTC |
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| Update Date | 2022-03-07 02:49:14 UTC |
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| HMDB ID | HMDB0002348 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Octacosanoic acid |
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| Description | Octacosanoic acid is a very-long-chain fatty acid found in human brain and visceral organs (PMID:2474624 ). Octacosanoic acid is a higher aliphatic primary acids purified from sugar-cane (Saccharum officinarum L.) wax that has been shown to inhibit platelet aggregation induced ex vivo by addition of agonists to platelet-rich plasma (PRP) of rats, guinea pigs, and healthy human volunteers. (PMID:5099499 ). Octacosanoic acid is formed from octacosanol via beta-oxidation. (PMID:15847942 ). |
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| Structure | CCCCCCCCCCCCCCCCCCCCCCCCCCCC(O)=O InChI=1S/C28H56O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-25-26-27-28(29)30/h2-27H2,1H3,(H,29,30) |
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| Synonyms | | Value | Source |
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| 1-Octacosanoic acid | ChEBI | | CH3-[CH2]26-COOH | ChEBI | | Montanic acid | ChEBI | | N-Octacosanoic acid | ChEBI | | N-Octaeicosanoic acid | ChEBI | | Octacosancarbonsaeure | ChEBI | | Octacosansaeure | ChEBI | | Octacosoic acid | ChEBI | | Octaeicosanoic acid | ChEBI | | 1-Octacosanoate | Generator | | Montanate | Generator | | N-Octacosanoate | Generator | | N-Octaeicosanoate | Generator | | Octacosoate | Generator | | Octaeicosanoate | Generator | | Octacosanoate | Generator | | Octacosanoic acid, 1-2 calcium salt | MeSH, HMDB | | Octacosanoic acid | MeSH |
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| Chemical Formula | C28H56O2 |
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| Average Molecular Weight | 424.743 |
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| Monoisotopic Molecular Weight | 424.428031036 |
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| IUPAC Name | octacosanoic acid |
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| Traditional Name | octacosanoic acid |
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| CAS Registry Number | 506-48-9 |
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| SMILES | CCCCCCCCCCCCCCCCCCCCCCCCCCCC(O)=O |
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| InChI Identifier | InChI=1S/C28H56O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-25-26-27-28(29)30/h2-27H2,1H3,(H,29,30) |
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| InChI Key | UTOPWMOLSKOLTQ-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as very long-chain fatty acids. These are fatty acids with an aliphatic tail that contains at least 22 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 | Very long-chain fatty acids |
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| Alternative Parents | |
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| Substituents | - Very long-chain 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 | |
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| Physical Properties |
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| State | Solid |
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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. | 10.49 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 36.8607 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.24 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 57.7 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 4468.3 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 1085.9 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 401.8 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 550.0 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 848.7 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1553.8 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 | 1507.8 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 121.7 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 3442.9 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 896.5 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 | 2834.1 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1315.9 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 775.2 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 1143.1 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 872.2 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 | 8.7 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 - Octacosanoic acid GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (Non-derivatized) | splash10-015a-1900000000-58c72f07b64a0561338d | 2014-06-16 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - Octacosanoic acid GC-MS (1 TMS) | splash10-0159-3900100000-34225aef9330c47437c0 | 2014-06-16 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - Octacosanoic acid GC-EI-TOF (Non-derivatized) | splash10-015a-1900000000-58c72f07b64a0561338d | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - Octacosanoic acid GC-MS (Non-derivatized) | splash10-0159-3900100000-34225aef9330c47437c0 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Octacosanoic acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-0006-7970000000-c94a43bb5bc46c5071cc | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Octacosanoic acid GC-MS (1 TMS) - 70eV, Positive | splash10-00g0-9550000000-1dbd0ba0052b40b0cb0c | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Octacosanoic acid GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | MS | Mass Spectrum (Electron Ionization) | splash10-05fu-9200100000-a1e6c74a1e455906fd84 | 2014-09-20 | Not Available | View Spectrum |
MS/MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Experimental LC-MS/MS | LC-MS/MS Spectrum - Octacosanoic acid Quattro_QQQ 10V, Positive-QTOF (Annotated) | splash10-004i-0020900000-38ac2a13b58f10f626f7 | 2012-07-25 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Octacosanoic acid Quattro_QQQ 25V, Positive-QTOF (Annotated) | splash10-002b-0942700000-00dc2499f3a7191748fb | 2012-07-25 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Octacosanoic acid Quattro_QQQ 40V, Positive-QTOF (Annotated) | splash10-00r2-8900000000-a826aa016c3aee7f3164 | 2012-07-25 | HMDB team, MONA | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Octacosanoic acid 10V, Positive-QTOF | splash10-0a6r-0002900000-5053554af4cc5fc39835 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Octacosanoic acid 20V, Positive-QTOF | splash10-05r0-3449400000-423526b92fd641c6bf0f | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Octacosanoic acid 40V, Positive-QTOF | splash10-0296-7974000000-400dfc77ba97ac62ae00 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Octacosanoic acid 10V, Negative-QTOF | splash10-00di-0001900000-aaf485cd3e6ba2507319 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Octacosanoic acid 20V, Negative-QTOF | splash10-05i0-1003900000-b15c91e2c70889b2f209 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Octacosanoic acid 40V, Negative-QTOF | splash10-0a4l-9113000000-2b4dc4a33e559f550131 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Octacosanoic acid 10V, Positive-QTOF | splash10-056r-3002900000-b5c62f7b0c138068c4ba | 2021-09-21 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Octacosanoic acid 20V, Positive-QTOF | splash10-0a4i-9027600000-dda5ed1ff49b80af804a | 2021-09-21 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Octacosanoic acid 40V, Positive-QTOF | splash10-0a4l-9010000000-2badc125175359e5b85b | 2021-09-21 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Octacosanoic acid 10V, Negative-QTOF | splash10-00di-0000900000-b9024a8d18f6acb5ce37 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Octacosanoic acid 20V, Negative-QTOF | splash10-05fr-1000900000-0508eeb1764771afaf8a | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Octacosanoic acid 40V, Negative-QTOF | splash10-0596-9001100000-51b30ca86b20536752de | 2021-09-25 | Wishart Lab | View Spectrum |
NMR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Experimental 2D NMR | [1H, 13C]-HSQC NMR Spectrum (2D, 600 MHz, CDCl3, experimental) | 2012-12-05 | Wishart Lab | View Spectrum |
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| General References | - Molzer B, Kainz-Korschinsky M, Sundt-Heller R, Bernheimer H: Phytanic acid and very long chain fatty acids in genetic peroxisomal disorders. J Clin Chem Clin Biochem. 1989 May;27(5):309-14. [PubMed:2474624 ]
- Menendez R, Marrero D, Mas R, Fernandez I, Gonzalez L, Gonzalez RM: In vitro and in vivo study of octacosanol metabolism. Arch Med Res. 2005 Mar-Apr;36(2):113-9. [PubMed:15847942 ]
- Lankin VZ, Sadovnikova IP: [Simple quantitative method of direct transesterification of higher fatty acid in biological samples]. Vopr Med Khim. 1971 May-Jun;17(3):331-5. [PubMed:5099499 ]
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