| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2008-10-15 12:12:16 UTC |
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| Update Date | 2023-02-21 17:17:25 UTC |
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| HMDB ID | HMDB0010718 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | (R)-3-Hydroxyhexanoic acid |
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| Description | (R)-3-Hydroxyhexanoic acid, also known as D-beta-hydroxycaproate or D-β-hydroxycaproic acid, belongs to the class of organic compounds known as medium-chain hydroxy acids and derivatives. These are hydroxy acids with a 6 to 12 carbon atoms long side chain (R)-3-Hydroxyhexanoic acid exists in all eukaryotes, ranging from yeast to plants to humans. In humans, (R)-3-hydroxyhexanoic acid is involved in the fatty acid biosynthesis pathway (R)-3-Hydroxyhexanoic acid has been detected, but not quantified in, a few different foods, such as anatidaes (Anatidae), chickens (Gallus gallus), and domestic pigs (Sus scrofa domestica). This could make (R)-3-hydroxyhexanoic acid a potential biomarker for the consumption of these foods (R)-3-Hydroxyhexanoic acid is a primary metabolite. Primary metabolites are metabolically or physiologically essential metabolites. They are directly involved in an organism’s growth, development or reproduction. Based on a literature review a significant number of articles have been published on (R)-3-Hydroxyhexanoic acid. |
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| Structure | InChI=1S/C6H12O3/c1-2-3-5(7)4-6(8)9/h5,7H,2-4H2,1H3,(H,8,9)/t5-/m1/s1 |
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| Synonyms | | Value | Source |
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| (R)-3-Hydroxyhexanoate | Generator | | (3R)-3-Hydroxyhexanoate | HMDB | | (3R)-3-Hydroxyhexanoic acid | HMDB | | (±)-3-hydroxyhexanoate | HMDB | | (±)-3-hydroxyhexanoic acid | HMDB | | 3-Hydroxycaproate | HMDB | | 3-Hydroxycaproic acid | HMDB | | 3-Hydroxyhexanoate | HMDB | | 3-Hydroxyhexanoic acid | HMDB | | D-beta-Hydroxycaproate | HMDB | | D-beta-Hydroxycaproic acid | HMDB | | D-Β-hydroxycaproate | HMDB | | D-Β-hydroxycaproic acid | HMDB | | FA(6:0(3-OH)) | HMDB | | FA(6:0(3R-OH)) | HMDB | | beta-Hydroxy-N-caproate | HMDB | | beta-Hydroxy-N-caproic acid | HMDB | | beta-Hydroxycaproate | HMDB | | beta-Hydroxycaproic acid | HMDB | | beta-Hydroxyhexanoate | HMDB | | beta-Hydroxyhexanoic acid | HMDB | | Β-hydroxy-N-caproate | HMDB | | Β-hydroxy-N-caproic acid | HMDB | | Β-hydroxycaproate | HMDB | | Β-hydroxycaproic acid | HMDB | | Β-hydroxyhexanoate | HMDB | | Β-hydroxyhexanoic acid | HMDB | | (R)-3-Hydroxyhexanoic acid | HMDB |
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| Chemical Formula | C6H12O3 |
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| Average Molecular Weight | 132.1577 |
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| Monoisotopic Molecular Weight | 132.07864425 |
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| IUPAC Name | (3R)-3-hydroxyhexanoic acid |
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| Traditional Name | 3R-hydroxy-hexanoic acid |
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| CAS Registry Number | 77877-35-1 |
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| SMILES | CCC[C@@H](O)CC(O)=O |
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| InChI Identifier | InChI=1S/C6H12O3/c1-2-3-5(7)4-6(8)9/h5,7H,2-4H2,1H3,(H,8,9)/t5-/m1/s1 |
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| InChI Key | HPMGFDVTYHWBAG-RXMQYKEDSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as medium-chain hydroxy acids and derivatives. These are hydroxy acids with a 6 to 12 carbon atoms long side chain. |
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| Kingdom | Organic compounds |
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| Super Class | Organic acids and derivatives |
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| Class | Hydroxy acids and derivatives |
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| Sub Class | Medium-chain hydroxy acids and derivatives |
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| Direct Parent | Medium-chain hydroxy acids and derivatives |
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| Alternative Parents | |
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| Substituents | - Medium-chain hydroxy acid
- Medium-chain fatty acid
- Beta-hydroxy acid
- Hydroxy fatty acid
- Fatty acyl
- Fatty acid
- Secondary alcohol
- Carboxylic acid derivative
- Carboxylic acid
- Monocarboxylic acid or derivatives
- Organic oxide
- Alcohol
- Carbonyl group
- Hydrocarbon derivative
- Organic oxygen compound
- Organooxygen compound
- 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 | Not Available |
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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 | 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. | 2.55 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 9.9017 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.41 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 164.2 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1163.5 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 314.5 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 94.7 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 187.0 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 84.6 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 326.9 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 | 338.2 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 105.5 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 688.3 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 266.9 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 | 992.0 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 206.3 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 244.9 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 511.4 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 263.6 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 | 183.5 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| (R)-3-Hydroxyhexanoic acid,1TMS,isomer #1 | CCC[C@H](CC(=O)O)O[Si](C)(C)C | 1221.0 | Semi standard non polar | 33892256 | | (R)-3-Hydroxyhexanoic acid,1TMS,isomer #2 | CCC[C@@H](O)CC(=O)O[Si](C)(C)C | 1196.6 | Semi standard non polar | 33892256 | | (R)-3-Hydroxyhexanoic acid,2TMS,isomer #1 | CCC[C@H](CC(=O)O[Si](C)(C)C)O[Si](C)(C)C | 1311.2 | Semi standard non polar | 33892256 | | (R)-3-Hydroxyhexanoic acid,1TBDMS,isomer #1 | CCC[C@H](CC(=O)O)O[Si](C)(C)C(C)(C)C | 1445.4 | Semi standard non polar | 33892256 | | (R)-3-Hydroxyhexanoic acid,1TBDMS,isomer #2 | CCC[C@@H](O)CC(=O)O[Si](C)(C)C(C)(C)C | 1426.2 | Semi standard non polar | 33892256 | | (R)-3-Hydroxyhexanoic acid,2TBDMS,isomer #1 | CCC[C@H](CC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 1751.0 | Semi standard non polar | 33892256 |
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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 - (R)-3-Hydroxyhexanoic acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-0006-9000000000-5263808e33ccb6565b3c | 2016-09-22 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - (R)-3-Hydroxyhexanoic acid GC-MS (2 TMS) - 70eV, Positive | splash10-009i-9330000000-5a1f5b24235b7a70faba | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - (R)-3-Hydroxyhexanoic 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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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (R)-3-Hydroxyhexanoic acid 10V, Positive-QTOF | splash10-0159-5900000000-16b15ce70244c2b64d0c | 2016-09-14 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (R)-3-Hydroxyhexanoic acid 20V, Positive-QTOF | splash10-014j-9300000000-3cfe9ed23a846d781f37 | 2016-09-14 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (R)-3-Hydroxyhexanoic acid 40V, Positive-QTOF | splash10-0006-9000000000-b3878b3c92a65ddc51fd | 2016-09-14 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (R)-3-Hydroxyhexanoic acid 10V, Negative-QTOF | splash10-001i-5900000000-ae1b58fe367907c50ffe | 2016-09-14 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (R)-3-Hydroxyhexanoic acid 20V, Negative-QTOF | splash10-05nr-9300000000-f5a6c18cc1d3fca5f109 | 2016-09-14 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (R)-3-Hydroxyhexanoic acid 40V, Negative-QTOF | splash10-05mo-9000000000-7911aea05314b944272c | 2016-09-14 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (R)-3-Hydroxyhexanoic acid 10V, Positive-QTOF | splash10-0avi-9100000000-82b86020a271d61ba1b5 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (R)-3-Hydroxyhexanoic acid 20V, Positive-QTOF | splash10-052f-9000000000-5b86d65468321ff15426 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (R)-3-Hydroxyhexanoic acid 40V, Positive-QTOF | splash10-0006-9000000000-ab813e477e382c5c6c08 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (R)-3-Hydroxyhexanoic acid 10V, Negative-QTOF | splash10-053r-6900000000-605bc451889b03fcac77 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (R)-3-Hydroxyhexanoic acid 20V, Negative-QTOF | splash10-0a4l-9100000000-e58c13d9ebd5ab0dbbbf | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (R)-3-Hydroxyhexanoic acid 40V, Negative-QTOF | splash10-0006-9000000000-191e4c2a7ad7ea5541dd | 2021-09-23 | Wishart Lab | View Spectrum |
IR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M-H]-) | 2023-02-03 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+) | 2023-02-03 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+) | 2023-02-03 | FELIX lab | View Spectrum |
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