| Record Information |
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| Version | 5.0 |
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| Status | Detected but not Quantified |
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| Creation Date | 2014-10-08 15:54:25 UTC |
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| Update Date | 2022-03-07 03:17:46 UTC |
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| HMDB ID | HMDB0061782 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Heneicosane |
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| Description | Heneicosane, also known as CH3-[CH2]19-CH3, belongs to the class of organic compounds known as alkanes. These are acyclic branched or unbranched hydrocarbons having the general formula CnH2n+2 , and therefore consisting entirely of hydrogen atoms and saturated carbon atoms. Thus, heneicosane is considered to be a hydrocarbon lipid molecule. Heneicosane is a very hydrophobic molecule, practically insoluble in water, and relatively neutral. Heneicosane is an alkane and waxy tasting compound. Heneicosane is found, on average, in the highest concentration within a few different foods, such as black elderberries, common oregano, and lemon balms. Heneicosane has also been detected, but not quantified, in several different foods, such as sunflowers, kohlrabis, orange bell peppers, lindens, and pepper (c. annuum). This could make heneicosane a potential biomarker for the consumption of these foods. An alkane that has 21 carbons and a straight-chain structure. |
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| Structure | InChI=1S/C21H44/c1-3-5-7-9-11-13-15-17-19-21-20-18-16-14-12-10-8-6-4-2/h3-21H2,1-2H3 |
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| Synonyms | | Value | Source |
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| CH3-[CH2]19-CH3 | ChEBI | | N-Heneicosane | ChEBI | | Heneicosane | ChEBI |
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| Chemical Formula | C21H44 |
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| Average Molecular Weight | 296.5741 |
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| Monoisotopic Molecular Weight | 296.344301408 |
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| IUPAC Name | henicosane |
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| Traditional Name | heneicosane |
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| CAS Registry Number | 629-94-7 |
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| SMILES | CCCCCCCCCCCCCCCCCCCCC |
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| InChI Identifier | InChI=1S/C21H44/c1-3-5-7-9-11-13-15-17-19-21-20-18-16-14-12-10-8-6-4-2/h3-21H2,1-2H3 |
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| InChI Key | FNAZRRHPUDJQCJ-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as alkanes. These are acyclic branched or unbranched hydrocarbons having the general formula CnH2n+2 , and therefore consisting entirely of hydrogen atoms and saturated carbon atoms. |
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| Kingdom | Organic compounds |
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| Super Class | Hydrocarbons |
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| Class | Saturated hydrocarbons |
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| Sub Class | Alkanes |
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| Direct Parent | Alkanes |
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| Alternative Parents | Not Available |
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| Substituents | - Acyclic alkane
- Alkane
- 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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| Not Available | 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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| 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. | 11.5 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 34.4461 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 3.29 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 3891.8 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 1179.3 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 424.5 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 717.5 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 724.5 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1482.4 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 | 1474.4 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 137.2 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 3148.1 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 886.3 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 | 2657.0 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1217.8 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 837.3 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 1170.8 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 903.3 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 | 8.5 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatized |
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| Spectra |
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| Biological Properties |
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| Cellular Locations | Not Available |
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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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| Saliva | Detected but not Quantified | Not Quantified | Adult (>18 years old) | Both | Normal | | details | | Saliva | Detected but not Quantified | Not Quantified | Adult (>18 years old) | Not Specified | 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 | FDB004728 |
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| KNApSAcK ID | Not Available |
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| Chemspider ID | 11897 |
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| KEGG Compound ID | Not Available |
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| BioCyc ID | CPD-7935 |
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| BiGG ID | Not Available |
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| Wikipedia Link | Higher alkanes |
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| METLIN ID | Not Available |
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| PubChem Compound | 12403 |
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| PDB ID | Not Available |
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| ChEBI ID | 32931 |
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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 | Not Available |
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| References |
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| Synthesis Reference | Not Available |
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| Material Safety Data Sheet (MSDS) | Not Available |
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| General References | - Brown GO, Guardala NA, Price JL, Weiss RG: Selectivity and efficiency of pyrene attachment to alkanes induced by broadband X-rays. An Acad Bras Cienc. 2003 Mar;75(1):33-8. Epub 2003 Apr 17. [PubMed:12715048 ]
- Yang XM, Fu EQ: [Synthesis and spectral characterization of novel chiral macrocyclic dioxopolyamines]. Guang Pu Xue Yu Guang Pu Fen Xi. 2007 Jul;27(7):1403-7. [PubMed:17944424 ]
- Seenivasagan T, Sharma KR, Sekhar K, Ganesan K, Prakash S, Vijayaraghavan R: Electroantennogram, flight orientation, and oviposition responses of Aedes aegypti to the oviposition pheromone n-heneicosane. Parasitol Res. 2009 Mar;104(4):827-33. doi: 10.1007/s00436-008-1263-2. Epub 2008 Nov 19. [PubMed:19018567 ]
- Yu AN, Sun BG, Hu WB: Top note compounds of Chinese traditional bacteria-fermented soybean. Nat Prod Res. 2008;22(17):1552-9. doi: 10.1080/14786410701824791. [PubMed:19023819 ]
- Li G, Dhinojwala A, Yeganeh MS: Interfacial structure and melting temperature of alcohol and alkane molecules in contact with polystyrene films. J Phys Chem B. 2009 Mar 5;113(9):2739-47. doi: 10.1021/jp8065663. [PubMed:19708209 ]
- Bhutia YD, Gautam A, Jain N, Ahmed F, Sharma M, Singh R, Kumar S, Mendki MJ, Kumar P, Vijayaraghavan R: Acute and sub-acute toxicity of an insect pheromone, N-heneicosane and combination with insect growth regulator, diflubenzuron, for establishing no observed adverse effect level (NOAEL). Indian J Exp Biol. 2010 Jul;48(7):744-51. [PubMed:20929058 ]
- Wikipedia [Link]
- Shri Prakash et al. 'Composition for Use in Controlling Aedes Aegypti Mosquitoes.' U.S. Patent US20080274076, issued November 06, 2008. [Link]
- Kumaran Ganesan, Ramesh Chandra Malhotra, Ambati Narasimha Rao, Krishnamurthy Sekhar, 'Process for the Preparation of N-Heneicosane.' U.S. Patent US20080293992, issued November 27, 2008. [Link]
- Kumaran Ganesan, Ramesh Chandra Malhotra, Ambati Narasimha Rao, Pradeep Kumar Gupta, Asheesh Kumar Jain, Shri Prakash, Krishnamurthy Sekhar, 'Process for the preparation of n-heneicosane.' U.S. Patent US07615672, issued November 10, 2009. [Link]
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