| Record Information |
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| Version | 5.0 |
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| Status | Detected but not Quantified |
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| Creation Date | 2006-05-22 14:17:50 UTC |
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| Update Date | 2022-03-07 02:49:15 UTC |
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| HMDB ID | HMDB0002361 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Pentacosanoic acid |
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| Description | Pentacosanoic acid, also known as pentacosanoate or hyenate, is a straight-chain saturated fatty acid and a very long-chain fatty acid. It is a conjugate acid of a pentacosanoate. Pentacosanoic acid 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. Pentacosanoic acid is a very hydrophobic molecule, practically insoluble in water, and relatively neutral. Pentacosanoic acid is a potentially toxic compound. |
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| Structure | CCCCCCCCCCCCCCCCCCCCCCCCC(O)=O InChI=1S/C25H50O2/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/h2-24H2,1H3,(H,26,27) |
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| Synonyms | | Value | Source |
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| Pentacosanoate | Generator | | Hyenate | HMDB, Generator | | Hyenic acid | HMDB | | N-Pentacosanoate | HMDB | | N-Pentacosanoic acid | HMDB |
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| Chemical Formula | C25H50O2 |
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| Average Molecular Weight | 382.6633 |
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| Monoisotopic Molecular Weight | 382.381080844 |
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| IUPAC Name | pentacosanoic acid |
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| Traditional Name | pentacosanoic acid |
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| CAS Registry Number | 506-38-7 |
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| SMILES | CCCCCCCCCCCCCCCCCCCCCCCCC(O)=O |
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| InChI Identifier | InChI=1S/C25H50O2/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/h2-24H2,1H3,(H,26,27) |
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| InChI Key | MWMPEAHGUXCSMY-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 | | Property | Value | Reference |
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| Melting Point | Not Available | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | 1.9e-06 mg/L @ 25 °C (est) | The Good Scents Company Information System | | 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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| 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. | 10.59 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 33.3845 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.22 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 52.4 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 4081.9 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 982.3 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 364.9 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 503.5 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 773.2 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1406.7 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 | 1367.3 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 114.4 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 3107.3 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 817.4 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 | 2593.1 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1184.1 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 704.4 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 1048.5 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 800.9 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 | 8.5 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized |
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| Spectra |
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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 - Pentacosanoic acid GC-MS (1 TMS) | splash10-0159-2900000000-6665b7d9eabf93c4a945 | 2014-06-16 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - Pentacosanoic acid GC-MS (Non-derivatized) | splash10-0159-2900000000-6665b7d9eabf93c4a945 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Pentacosanoic acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-052f-8890000000-725d043b2157b24da3a4 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Pentacosanoic acid GC-MS (1 TMS) - 70eV, Positive | splash10-0079-9550000000-96d63a4885fdd0544165 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Pentacosanoic 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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| Experimental LC-MS/MS | LC-MS/MS Spectrum - Pentacosanoic acid Quattro_QQQ 10V, Positive-QTOF (Annotated) | splash10-001i-0009000000-800d2e5558f9293777f2 | 2012-07-25 | HMDB team, MONA | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Pentacosanoic acid 10V, Positive-QTOF | splash10-014i-0009000000-f070114e9b2a4bbf6679 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Pentacosanoic acid 20V, Positive-QTOF | splash10-00yr-3339000000-b176744191f8a42e707b | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Pentacosanoic acid 40V, Positive-QTOF | splash10-006x-5972000000-b415c1ccaa8f4d57a529 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Pentacosanoic acid 10V, Negative-QTOF | splash10-001i-0009000000-8dfc981003ca4996a489 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Pentacosanoic acid 20V, Negative-QTOF | splash10-01qi-0009000000-ef611c789ccafd81219e | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Pentacosanoic acid 40V, Negative-QTOF | splash10-0a4l-9113000000-8f4bec5516a767891061 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Pentacosanoic acid 10V, Negative-QTOF | splash10-001i-0009000000-df18d224d3bce420cd79 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Pentacosanoic acid 20V, Negative-QTOF | splash10-01q9-1009000000-397f2820fbfdd63fd68f | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Pentacosanoic acid 40V, Negative-QTOF | splash10-0006-9012000000-d56100016e8ed9e82fc1 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Pentacosanoic acid 10V, Positive-QTOF | splash10-00lr-2009000000-8d7bf9f66523c92f4b8e | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Pentacosanoic acid 20V, Positive-QTOF | splash10-066r-8049000000-b0deb3a758569827538a | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Pentacosanoic acid 40V, Positive-QTOF | splash10-0a4l-9000000000-c5daab40fd34bd311784 | 2021-09-22 | 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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| Biological Properties |
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| Cellular Locations | - Extracellular
- Membrane (predicted from logP)
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| Biospecimen Locations | |
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| Tissue Locations | Not Available |
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| Pathways | |
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| Normal Concentrations |
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| Feces | Detected but not Quantified | Not Quantified | Infant (0-1 year old) | Both | Normal | | details |
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| Abnormal Concentrations |
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| Not Available |
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| Associated Disorders and Diseases |
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| Disease References | None |
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| Associated OMIM IDs | None |
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| External Links |
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| DrugBank ID | Not Available |
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| Phenol Explorer Compound ID | Not Available |
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| FooDB ID | FDB003081 |
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| KNApSAcK ID | C00057417 |
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| Chemspider ID | 10036 |
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| KEGG Compound ID | Not Available |
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| BioCyc ID | Not Available |
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| BiGG ID | Not Available |
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| Wikipedia Link | Pentacosylic acid |
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| METLIN ID | 4209 |
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| PubChem Compound | 10468 |
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| PDB ID | Not Available |
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| ChEBI ID | 39420 |
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| Food Biomarker Ontology | Not Available |
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| VMH ID | Not Available |
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| MarkerDB ID | Not Available |
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| Good Scents ID | rw1824601 |
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| References |
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| Synthesis Reference | Cason, James; Wolfhagen, Helen J.; Tarpey, Winifred; Adams, Raylene E. Branched chain fatty acids. X. Synthesis of acids with branching methyl groups near the carboxyl. Journal of Organic Chemistry (1949), 14 147-54. |
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| Material Safety Data Sheet (MSDS) | Download (PDF) |
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| General References | - Reinecke CJ, Knoll DP, Pretorius PJ, Steyn HS, Simpson RH: The correlation between biochemical and histopathological findings in adrenoleukodystrophy. J Neurol Sci. 1985 Aug;70(1):21-38. [PubMed:4045498 ]
- Tao RV, Lee BC, Hsieh TC, Laine RA: Occurrence of an unusual amount of an odd-numbered fatty acid in glycosphingolipids from human cataracts. Curr Eye Res. 1987 Dec;6(12):1361-7. [PubMed:3427985 ]
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