| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2005-11-16 15:48:42 UTC |
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| Update Date | 2022-03-07 02:49:10 UTC |
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| HMDB ID | HMDB0001551 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Palmitaldehyde |
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| Description | Palmitaldehyde, also known as 1-hexadecanal, belongs to the class of organic compounds known as fatty aldehydes. These are long chain aldehydes with a chain of at least 12 carbon atoms. Thus, palmitaldehyde is considered to be a fatty aldehyde lipid molecule. Palmitaldehyde is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral. |
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| Structure | InChI=1S/C16H32O/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17/h16H,2-15H2,1H3 |
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| Synonyms | | Value | Source |
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| 1-Hexadecanal | ChEBI | | 16-Hexadecanal | ChEBI | | N-Hexadecanal | ChEBI | | Palmitoyl aldehyde | HMDB | | Hexadecanal | HMDB |
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| Chemical Formula | C16H32O |
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| Average Molecular Weight | 240.4247 |
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| Monoisotopic Molecular Weight | 240.245315646 |
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| IUPAC Name | hexadecanal |
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| Traditional Name | palmitoyl |
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| CAS Registry Number | 629-80-1 |
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| SMILES | CCCCCCCCCCCCCCCC=O |
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| InChI Identifier | InChI=1S/C16H32O/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17/h16H,2-15H2,1H3 |
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| InChI Key | NIOYUNMRJMEDGI-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as fatty aldehydes. These are long chain aldehydes with a chain of at least 12 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 aldehydes |
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| Direct Parent | Fatty aldehydes |
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| Alternative Parents | |
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| Substituents | - Fatty aldehyde
- Alpha-hydrogen aldehyde
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Carbonyl group
- Aldehyde
- 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 | Solid |
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| Experimental Molecular Properties | | Property | Value | Reference |
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| Melting Point | 35 °C | 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 | Experimental Collision Cross Sections |
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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. | 10.76 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 25.6582 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 3.09 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 3024.5 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 845.2 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 313.5 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 504.9 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 561.4 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1079.9 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 | 1109.5 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 121.6 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 2340.4 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 654.1 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 | 2065.4 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 874.6 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 577.8 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 887.1 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 730.7 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 | 9.2 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| Palmitaldehyde,1TMS,isomer #1 | CCCCCCCCCCCCCCC=CO[Si](C)(C)C | 2016.8 | Semi standard non polar | 33892256 | | Palmitaldehyde,1TMS,isomer #1 | CCCCCCCCCCCCCCC=CO[Si](C)(C)C | 1951.5 | Standard non polar | 33892256 | | Palmitaldehyde,1TMS,isomer #1 | CCCCCCCCCCCCCCC=CO[Si](C)(C)C | 2010.8 | Standard polar | 33892256 | | Palmitaldehyde,1TBDMS,isomer #1 | CCCCCCCCCCCCCCC=CO[Si](C)(C)C(C)(C)C | 2241.0 | Semi standard non polar | 33892256 | | Palmitaldehyde,1TBDMS,isomer #1 | CCCCCCCCCCCCCCC=CO[Si](C)(C)C(C)(C)C | 2136.0 | Standard non polar | 33892256 | | Palmitaldehyde,1TBDMS,isomer #1 | CCCCCCCCCCCCCCC=CO[Si](C)(C)C(C)(C)C | 2132.9 | Standard 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 - Palmitaldehyde GC-MS (Non-derivatized) - 70eV, Positive | splash10-004r-7910000000-db6a900287718c758518 | 2016-09-22 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Palmitaldehyde GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Palmitaldehyde 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 - Palmitaldehyde 10V, Positive-QTOF | splash10-0006-0190000000-88e54e24615fc9448538 | 2015-04-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Palmitaldehyde 20V, Positive-QTOF | splash10-006x-9870000000-3679ce8f10212501edf5 | 2015-04-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Palmitaldehyde 40V, Positive-QTOF | splash10-052f-9500000000-5eda4a41605088fce3d2 | 2015-04-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Palmitaldehyde 10V, Negative-QTOF | splash10-000i-0090000000-316d73b64e71af600885 | 2015-04-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Palmitaldehyde 20V, Negative-QTOF | splash10-000i-1090000000-a5b8781e35a4c0e0ef85 | 2015-04-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Palmitaldehyde 40V, Negative-QTOF | splash10-0006-9110000000-602590712b86442e2155 | 2015-04-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Palmitaldehyde 10V, Positive-QTOF | splash10-0006-9380000000-e88a7fd7a1fc2a87e46b | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Palmitaldehyde 20V, Positive-QTOF | splash10-0apj-9100000000-85d41c16b53beb7a5dbb | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Palmitaldehyde 40V, Positive-QTOF | splash10-0a4l-9000000000-44804a5b270a0a81233f | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Palmitaldehyde 10V, Negative-QTOF | splash10-000i-0090000000-e9cfd21030307afc8fbd | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Palmitaldehyde 20V, Negative-QTOF | splash10-000i-0090000000-07283cf79ee3fb662608 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Palmitaldehyde 40V, Negative-QTOF | splash10-052o-9530000000-cb97755476c747cf51ec | 2021-09-22 | Wishart Lab | View Spectrum |
NMR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, H2O, predicted) | 2022-08-17 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, H2O, predicted) | 2022-08-17 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, H2O, predicted) | 2022-08-17 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, H2O, predicted) | 2022-08-17 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, H2O, predicted) | 2022-08-17 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, H2O, predicted) | 2022-08-17 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, H2O, predicted) | 2022-08-17 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, H2O, predicted) | 2022-08-17 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, H2O, predicted) | 2022-08-17 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, H2O, predicted) | 2022-08-17 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, H2O, predicted) | 2022-08-17 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, H2O, predicted) | 2022-08-17 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, H2O, predicted) | 2022-08-17 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, H2O, predicted) | 2022-08-17 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, H2O, predicted) | 2022-08-17 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, H2O, predicted) | 2022-08-17 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, H2O, predicted) | 2022-08-17 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, H2O, predicted) | 2022-08-17 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, H2O, predicted) | 2022-08-17 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, H2O, predicted) | 2022-08-17 | Wishart Lab | View Spectrum |
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