Record Information |
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Version | 5.0 |
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Status | Detected but not Quantified |
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Creation Date | 2005-11-16 15:48:42 UTC |
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Update Date | 2021-10-13 04:35:29 UTC |
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HMDB ID | HMDB0001485 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | Octane |
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Description | Octane, also known as N-oktanis a hydrocarbon and an alkane with the chemical formula C8H18, and the condensed structural formula CH3(CH2)6CH3. Octane has many structural isomers that differ by the amount and location of branching in the carbon chain. One of these isomers, 2,2,4-trimethylpentane (commonly called iso-octane) is used as one of the standard values in the octane rating scale. Octane 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, octane is considered to be a hydrocarbon lipid molecule. Octane is a very hydrophobic molecule, practically insoluble in water, and relatively neutral. Octane is an alkane and gasoline tasting compound. Outside of the human body, octane has been detected, but not quantified in several different foods, such as pepper (Capsicum annuum), celery stalks, cauliflowers, alcoholic beverages, and corns. One of the isomers, 2,2,4-trimethylpentane or isooctane, is of major importance, as it has been selected as the 100 point on the octane rating scale, with n-heptane as the zero point. Octane is an alkane with the chemical formula C8H18. Octane is a potentially toxic compound. Treatment is mainly symptomatic and supportive. It has 18 isomers. Octane ratings are ratings used to represent the anti-knock performance of petroleum-based fuels (octane is less likely to prematurely combust under pressure than heptane), given as the percentage of 2,2,4-trimethylpentane in an 2,2,4-trimethylpentane / n-heptane mixture that would have the same performance. |
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Structure | InChI=1S/C8H18/c1-3-5-7-8-6-4-2/h3-8H2,1-2H3 |
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Synonyms | Value | Source |
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CH3-[CH2]6-CH3 | ChEBI | N-Octane | ChEBI | N-Oktan | ChEBI | Oktan | ChEBI |
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Chemical Formula | C8H18 |
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Average Molecular Weight | 114.2285 |
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Monoisotopic Molecular Weight | 114.140850576 |
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IUPAC Name | octane |
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Traditional Name | octane |
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CAS Registry Number | 111-65-9 |
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SMILES | CCCCCCCC |
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InChI Identifier | InChI=1S/C8H18/c1-3-5-7-8-6-4-2/h3-8H2,1-2H3 |
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InChI Key | TVMXDCGIABBOFY-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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Physiological effect | |
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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 | Liquid |
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Experimental Molecular Properties | Property | Value | Reference |
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Melting Point | -56.8 °C | Not Available | Boiling Point | 125.00 to 126.00 °C. @ 760.00 mm Hg | The Good Scents Company Information System | Water Solubility | 0.00066 mg/mL | Not Available | LogP | 5.18 | MILLER,MM ET AL. (1985) |
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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 Kovats Retention IndicesUnderivatized |
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Spectra |
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| GC-MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Experimental GC-MS | GC-MS Spectrum - Octane EI-B (Non-derivatized) | splash10-052o-9000000000-dff2329c36bee36d9e67 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - Octane EI-B (Non-derivatized) | splash10-0006-9000000000-8dd19c0387246b61990c | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - Octane EI-B (Non-derivatized) | splash10-0006-9000000000-d2e1916d68421b915616 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - Octane CI-B (Non-derivatized) | splash10-08fr-9600000000-0ad297c5bbdcd8255dfc | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - Octane EI-B (Non-derivatized) | splash10-052o-9000000000-dff2329c36bee36d9e67 | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - Octane EI-B (Non-derivatized) | splash10-0006-9000000000-8dd19c0387246b61990c | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - Octane EI-B (Non-derivatized) | splash10-0006-9000000000-d2e1916d68421b915616 | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - Octane CI-B (Non-derivatized) | splash10-08fr-9600000000-0ad297c5bbdcd8255dfc | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Octane GC-MS (Non-derivatized) - 70eV, Positive | splash10-056u-9100000000-734169bf6be23396487a | 2017-09-01 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Octane GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | MS | Mass Spectrum (Electron Ionization) | splash10-0006-9000000000-6a16a91b5d2378134116 | 2014-09-20 | Not Available | View Spectrum |
MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Experimental LC-MS/MS | LC-MS/MS Spectrum - Octane Quattro_QQQ 10V, N/A-QTOF (Annotated) | splash10-014i-9200000000-7fa018b6e4635a551621 | 2012-07-24 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Octane Quattro_QQQ 25V, N/A-QTOF (Annotated) | splash10-05mo-9000000000-ad7800923a7f89ae82a7 | 2012-07-24 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Octane Quattro_QQQ 40V, N/A-QTOF (Annotated) | splash10-0aru-9100000000-a5dddfe6f629d1371fac | 2012-07-24 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Octane EI-B (JEOL JMS-D-3000) , Positive-QTOF | splash10-052o-9000000000-dff2329c36bee36d9e67 | 2012-08-31 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Octane EI-B (HITACHI RMU-6M) , Positive-QTOF | splash10-0006-9000000000-8dd19c0387246b61990c | 2012-08-31 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Octane EI-B (HITACHI M-80B) , Positive-QTOF | splash10-0006-9000000000-0f2c1fefb3562ddd291c | 2012-08-31 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Octane CI-B (FINNIGAN-MAT 4500) , Positive-QTOF | splash10-08fr-9600000000-0ad297c5bbdcd8255dfc | 2012-08-31 | HMDB team, MONA | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Octane 10V, Positive-QTOF | splash10-014i-0900000000-3d7f12397b129744ef33 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Octane 20V, Positive-QTOF | splash10-014i-2900000000-c56ee324b0ebcfc751e7 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Octane 40V, Positive-QTOF | splash10-052f-9000000000-fdc491d96317782d7412 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Octane 10V, Negative-QTOF | splash10-03di-0900000000-eaa7ee0ef9699808e700 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Octane 20V, Negative-QTOF | splash10-03di-0900000000-486b5b971ea4d9a97ecb | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Octane 40V, Negative-QTOF | splash10-03di-9600000000-9ddf08fb6c571b873cbe | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Octane 10V, Positive-QTOF | splash10-0ab9-9100000000-c3e1fce5b7d3e8c85d1a | 2021-09-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Octane 20V, Positive-QTOF | splash10-0ab9-9000000000-6a868d2187f17076cbf6 | 2021-09-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Octane 40V, Positive-QTOF | splash10-052f-9000000000-8fc55807287b28c39f95 | 2021-09-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Octane 10V, Negative-QTOF | splash10-03di-0900000000-e85376f8875d5d8518a4 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Octane 20V, Negative-QTOF | splash10-03di-0900000000-7f4fa004fea60c3d18b7 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Octane 40V, Negative-QTOF | splash10-08fr-9500000000-7ccbab85bd6d6023347e | 2021-09-25 | Wishart Lab | View Spectrum |
NMR SpectraSpectrum Type | Description | Deposition Date | Source | View |
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Experimental 1D NMR | 1H NMR Spectrum (1D, 500 MHz, CDCl3, experimental) | 2012-12-04 | Wishart Lab | View Spectrum |
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Biological Properties |
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Cellular Locations | - 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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Breath | Detected but not Quantified | Not Quantified | Children (1-13 years old) | Both | Normal | | details | Feces | Detected but not Quantified | Not Quantified | Adult (>18 years old) | Both | Normal | | details | Feces | Detected but not Quantified | Not Quantified | Children (1-13 years old) | Both | Normal | | details | Feces | Detected but not Quantified | Not Quantified | Adult (>18 years old) | Both | Normal | | details | Feces | 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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Breath | Detected but not Quantified | Not Quantified | Children (1-13 years old) | Both | Transient wheezing | | details | Breath | Detected but not Quantified | Not Quantified | Children (1-13 years old) | Both | Asthma | | details | Feces | Detected but not Quantified | Not Quantified | Adult (>18 years old) | Both | Immunoglobulin A nephropathy (IgAN) non progressor | | details | Feces | Detected but not Quantified | Not Quantified | Adult (>18 years old) | Both | Immunoglobulin A nephropathy (IgAN) progressor | | details | Feces | Detected but not Quantified | Not Quantified | Children (1-13 years old) | Both | Autism | | details | Feces | Detected but not Quantified | Not Quantified | Children (1-13 years old) | Both | Pervasive Developmental Disorder Not Otherwise Specified | | details | Feces | Detected but not Quantified | Not Quantified | Adult (>18 years old) | Both | Nonalcoholic fatty liver disease (NAFLD) | | details | Feces | Detected but not Quantified | Not Quantified | Adult (>18 years old) | Both | Campylobacter jejuni infection | | details | Feces | Detected but not Quantified | Not Quantified | Adult (>18 years old) | Both | Ulcerative Colitis | | details |
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Associated Disorders and Diseases |
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Disease References | Asthma |
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- Smolinska A, Klaassen EM, Dallinga JW, van de Kant KD, Jobsis Q, Moonen EJ, van Schayck OC, Dompeling E, van Schooten FJ: Profiling of volatile organic compounds in exhaled breath as a strategy to find early predictive signatures of asthma in children. PLoS One. 2014 Apr 21;9(4):e95668. doi: 10.1371/journal.pone.0095668. eCollection 2014. [PubMed:24752575 ]
| Ulcerative colitis |
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- Garner CE, Smith S, de Lacy Costello B, White P, Spencer R, Probert CS, Ratcliffe NM: Volatile organic compounds from feces and their potential for diagnosis of gastrointestinal disease. FASEB J. 2007 Jun;21(8):1675-88. Epub 2007 Feb 21. [PubMed:17314143 ]
| Nonalcoholic fatty liver disease |
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- Raman M, Ahmed I, Gillevet PM, Probert CS, Ratcliffe NM, Smith S, Greenwood R, Sikaroodi M, Lam V, Crotty P, Bailey J, Myers RP, Rioux KP: Fecal microbiome and volatile organic compound metabolome in obese humans with nonalcoholic fatty liver disease. Clin Gastroenterol Hepatol. 2013 Jul;11(7):868-75.e1-3. doi: 10.1016/j.cgh.2013.02.015. Epub 2013 Feb 27. [PubMed:23454028 ]
| Autism |
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- De Angelis M, Piccolo M, Vannini L, Siragusa S, De Giacomo A, Serrazzanetti DI, Cristofori F, Guerzoni ME, Gobbetti M, Francavilla R: Fecal microbiota and metabolome of children with autism and pervasive developmental disorder not otherwise specified. PLoS One. 2013 Oct 9;8(10):e76993. doi: 10.1371/journal.pone.0076993. eCollection 2013. [PubMed:24130822 ]
| Pervasive developmental disorder not otherwise specified |
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- De Angelis M, Piccolo M, Vannini L, Siragusa S, De Giacomo A, Serrazzanetti DI, Cristofori F, Guerzoni ME, Gobbetti M, Francavilla R: Fecal microbiota and metabolome of children with autism and pervasive developmental disorder not otherwise specified. PLoS One. 2013 Oct 9;8(10):e76993. doi: 10.1371/journal.pone.0076993. eCollection 2013. [PubMed:24130822 ]
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Associated OMIM IDs | |
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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 | FDB000758 |
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KNApSAcK ID | C00035857 |
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Chemspider ID | 349 |
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KEGG Compound ID | C01387 |
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BioCyc ID | CPD-148 |
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BiGG ID | Not Available |
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Wikipedia Link | Octane |
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METLIN ID | 6270 |
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PubChem Compound | 356 |
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PDB ID | Not Available |
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ChEBI ID | 17590 |
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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 | rw1270561 |
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References |
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Synthesis Reference | Lewis, H. F.; Yohe, G. R. The preparation of pure octane. Proceedings of the Iowa Academy of Science (1925), 32 327-8. |
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Material Safety Data Sheet (MSDS) | Download (PDF) |
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General References | - Kiso Y: Antioxidative roles of sesamin, a functional lignan in sesame seed, and it's effect on lipid- and alcohol-metabolism in the liver: a DNA microarray study. Biofactors. 2004;21(1-4):191-6. [PubMed:15630196 ]
- Claes C, Zivojnovic R: The use of perfluorocarbon liquids in vitreous surgery. Bull Soc Belge Ophtalmol. 1990;238:145-50. [PubMed:2131117 ]
- Kramer KE, Andrews AR: Screening method for 11-nor-delta9-tetrahydrocannabinol-9-carboxylic acid in urine using hollow fiber membrane solvent microextraction with in-tube derivatization. J Chromatogr B Biomed Sci Appl. 2001 Aug 25;760(1):27-36. [PubMed:11522063 ]
- Ivanova M, Piunti A, Marziali E, Komarova N, Raggi MA, Kenndler E: Microemulsion electrokinetic chromatography applied for separation of levetiracetam from other antiepileptic drugs in polypharmacy. Electrophoresis. 2003 Mar;24(6):992-8. [PubMed:12658687 ]
- Le Mer Y, Haut J: [Use of perfluoro-octane liquid in the treatment of giant tears with inversion of the retina: preliminary results]. J Fr Ophtalmol. 1990;13(5):247-51. [PubMed:2258547 ]
- Watzer B, Reinalter S, Seyberth HW, Schweer H: Determination of free and glucuronide conjugated 20-hydroxyarachidonic acid (20-HETE) in urine by gas chromatography/negative ion chemical ionization mass spectrometry. Prostaglandins Leukot Essent Fatty Acids. 2000 Mar;62(3):175-81. [PubMed:10841040 ]
- Hahn I, Scherer PW, Mozell MM: A mass transport model of olfaction. J Theor Biol. 1994 Mar 21;167(2):115-28. [PubMed:8207942 ]
- Stone WL: Hydrophobic interaction of alkanes with liposomes and lipoproteins. J Biol Chem. 1975 Jun 10;250(11):4368-70. [PubMed:165199 ]
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