| Record Information |
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| Version | 5.0 |
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| Status | Detected but not Quantified |
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| Creation Date | 2021-09-10 22:25:19 UTC |
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| Update Date | 2021-09-26 22:53:46 UTC |
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| HMDB ID | HMDB0245342 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | 2,2,4-Trimethylpentane |
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| Description | 2,2,4-Trimethylpentane, also known as (CH3)2chch2c(CH3)3 or iso-octane, belongs to the class of organic compounds known as branched alkanes. These are acyclic branched hydrocarbons having the general formula CnH2n+2. Based on a literature review a significant number of articles have been published on 2,2,4-Trimethylpentane. This compound has been identified in human blood as reported by (PMID: 31557052 ). 2,2,4-trimethylpentane is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically 2,2,4-Trimethylpentane is part of the human exposome. The exposome can be defined as the collection of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual's exposure begins before birth and includes insults from environmental and occupational sources. |
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| Structure | InChI=1S/C8H18/c1-7(2)6-8(3,4)5/h7H,6H2,1-5H3 |
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| Synonyms | | Value | Source |
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| (CH3)2chch2c(CH3)3 | ChEBI | | Iso-octane | ChEBI | | Isobutyltrimethylmethane | ChEBI | | Isooctane | MeSH |
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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 | 2,2,4-trimethylpentane |
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| Traditional Name | isooctane |
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| CAS Registry Number | Not Available |
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| SMILES | CC(C)CC(C)(C)C |
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| InChI Identifier | InChI=1S/C8H18/c1-7(2)6-8(3,4)5/h7H,6H2,1-5H3 |
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| InChI Key | NHTMVDHEPJAVLT-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as branched alkanes. These are acyclic branched hydrocarbons having the general formula CnH2n+2. |
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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 | Branched alkanes |
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| Alternative Parents | Not Available |
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| Substituents | - Branched 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 | Not Available |
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| Disposition | |
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| Process | Not Available |
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| Role | |
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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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| Predicted by Siyang on May 30, 2022 | 20.2604 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 4.64 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 2314.5 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 775.1 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 285.8 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 517.5 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 371.8 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 872.7 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 | 845.9 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 174.8 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 1511.1 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 579.4 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 | 1816.4 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 600.2 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 490.4 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 620.5 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 647.4 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 | 41.8 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatized |
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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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| Predicted GC-MS | Predicted GC-MS Spectrum - 2,2,4-Trimethylpentane GC-MS (Non-derivatized) - 70eV, Positive | splash10-052f-9000000000-65e84c840b2a17a18d99 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 2,2,4-Trimethylpentane GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | MS | Mass Spectrum (Electron Ionization) | splash10-0a4i-9000000000-f08ccc9324e967cfe09d | 2014-09-20 | Not Available | 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 - 2,2,4-Trimethylpentane 10V, Positive-QTOF | splash10-014i-1900000000-df9c4228348c0e60b3f7 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2,2,4-Trimethylpentane 20V, Positive-QTOF | splash10-014i-3900000000-5ed02e962691f66db928 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2,2,4-Trimethylpentane 40V, Positive-QTOF | splash10-0535-9100000000-af8307b1fd7610d90d06 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2,2,4-Trimethylpentane 10V, Negative-QTOF | splash10-03di-0900000000-6c2521ef3e59b3971ff7 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2,2,4-Trimethylpentane 20V, Negative-QTOF | splash10-03di-0900000000-13e99ac19c0edb2650bb | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2,2,4-Trimethylpentane 40V, Negative-QTOF | splash10-01ot-9400000000-ba54ddd5172bbd0c6b0c | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2,2,4-Trimethylpentane 10V, Positive-QTOF | splash10-0a4i-9100000000-a44cda83dadb2ef5e219 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2,2,4-Trimethylpentane 20V, Positive-QTOF | splash10-0a4i-9000000000-676359e5663d0f064512 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2,2,4-Trimethylpentane 40V, Positive-QTOF | splash10-052f-9000000000-a1867ea2ac238d797eaf | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2,2,4-Trimethylpentane 10V, Negative-QTOF | splash10-03di-0900000000-e85376f8875d5d8518a4 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2,2,4-Trimethylpentane 20V, Negative-QTOF | splash10-03di-0900000000-5ce0855e0a2d6a0dca8f | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2,2,4-Trimethylpentane 40V, Negative-QTOF | splash10-03di-4900000000-efd4594924a365acbe63 | 2021-10-12 | Wishart Lab | View Spectrum |
NMR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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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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| Blood | Detected but not Quantified | Not Quantified | Not Specified | 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 | Not Available |
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| KNApSAcK ID | Not Available |
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| Chemspider ID | 10445 |
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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 | Isooctane |
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| METLIN ID | Not Available |
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| PubChem Compound | Not Available |
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| PDB ID | Not Available |
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| ChEBI ID | 62805 |
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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 | rw1159291 |
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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 | - Barupal DK, Fiehn O: Generating the Blood Exposome Database Using a Comprehensive Text Mining and Database Fusion Approach. Environ Health Perspect. 2019 Sep;127(9):97008. doi: 10.1289/EHP4713. Epub 2019 Sep 26. [PubMed:31557052 ]
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