| Record Information |
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| Version | 5.0 |
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| Status | Detected but not Quantified |
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| Creation Date | 2020-11-01 18:42:06 UTC |
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| Update Date | 2022-03-06 23:24:14 UTC |
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| HMDB ID | HMDB0240729 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | Cer(d18:0/20:4) |
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| Description | N-arachidonoylsphinganine, also known as cer(D18:0/20:4N-6) or dhcer C20:4(N-6), belongs to the class of organic compounds known as long-chain ceramides. These are ceramides bearing a long chain fatty acid. N-arachidonoylsphinganine is an extremely weak basic (essentially neutral) compound (based on its pKa). |
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| Structure | CCCCCCCCCCCCCCC[C@@H](O)[C@H](CO)NC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC InChI=1S/C38H69NO3/c1-3-5-7-9-11-13-15-17-18-19-20-22-24-26-28-30-32-34-38(42)39-36(35-40)37(41)33-31-29-27-25-23-21-16-14-12-10-8-6-4-2/h11,13,17-18,20,22,26,28,36-37,40-41H,3-10,12,14-16,19,21,23-25,27,29-35H2,1-2H3,(H,39,42)/b13-11-,18-17-,22-20-,28-26-/t36-,37+/m0/s1 |
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| Synonyms | | Value | Source |
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| Cer(D18:0/20:4N-6) | ChEBI | | DHCer C20:4(N-6) | ChEBI | | N-(5Z,8Z,11Z,14Z-Eicosatetraenoyl)-sphinganine | ChEBI | | N-(5Z,8Z,11Z,14Z-Eicosatetraenoyl)dihydrosphingosine | ChEBI | | N-(5Z,8Z,11Z,14Z-Icosatetraenoyl)dihydrosphingosine | ChEBI | | N-(5Z,8Z,11Z,14Z-Icosatetraenoyl)sphinganine | ChEBI | | N-Arachidonoyldihydrosphingosine | ChEBI |
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| Chemical Formula | C38H69NO3 |
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| Average Molecular Weight | 587.974 |
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| Monoisotopic Molecular Weight | 587.527745086 |
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| IUPAC Name | (5Z,8Z,11Z,14Z)-N-[(2S,3R)-1,3-dihydroxyoctadecan-2-yl]icosa-5,8,11,14-tetraenamide |
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| Traditional Name | (5Z,8Z,11Z,14Z)-N-[(2S,3R)-1,3-dihydroxyoctadecan-2-yl]icosa-5,8,11,14-tetraenamide |
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| CAS Registry Number | Not Available |
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| SMILES | CCCCCCCCCCCCCCC[C@@H](O)[C@H](CO)NC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC |
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| InChI Identifier | InChI=1S/C38H69NO3/c1-3-5-7-9-11-13-15-17-18-19-20-22-24-26-28-30-32-34-38(42)39-36(35-40)37(41)33-31-29-27-25-23-21-16-14-12-10-8-6-4-2/h11,13,17-18,20,22,26,28,36-37,40-41H,3-10,12,14-16,19,21,23-25,27,29-35H2,1-2H3,(H,39,42)/b13-11-,18-17-,22-20-,28-26-/t36-,37+/m0/s1 |
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| InChI Key | NXKPWQUXGKASPM-AJIQFNDCSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as long-chain ceramides. These are ceramides bearing a long chain fatty acid. |
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| Kingdom | Organic compounds |
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| Super Class | Lipids and lipid-like molecules |
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| Class | Sphingolipids |
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| Sub Class | Ceramides |
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| Direct Parent | Long-chain ceramides |
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| Alternative Parents | |
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| Substituents | - Long-chain ceramide
- Fatty amide
- N-acyl-amine
- Fatty acyl
- Carboxamide group
- Secondary alcohol
- Secondary carboxylic acid amide
- Carboxylic acid derivative
- Primary alcohol
- Organooxygen compound
- Organonitrogen compound
- Organic oxide
- Organopnictogen compound
- Organic oxygen compound
- Alcohol
- Organic nitrogen compound
- Carbonyl group
- Hydrocarbon derivative
- 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 | 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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| Predicted by Siyang on May 30, 2022 | 37.2649 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.59 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 5027.6 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 688.8 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 357.9 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 365.9 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1084.5 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1769.1 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 | 1045.1 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 166.0 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 3678.3 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 1115.2 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 | 2994.5 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1274.5 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 767.6 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 496.8 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 656.4 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 | 10.9 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| Cer(d18:0/20:4),1TMS,isomer #1 | CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)N[C@@H](CO)[C@@H](CCCCCCCCCCCCCCC)O[Si](C)(C)C | 4465.4 | Semi standard non polar | 33892256 | | Cer(d18:0/20:4),1TMS,isomer #2 | CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)N[C@@H](CO[Si](C)(C)C)[C@H](O)CCCCCCCCCCCCCCC | 4397.1 | Semi standard non polar | 33892256 | | Cer(d18:0/20:4),1TMS,isomer #3 | CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)N([C@@H](CO)[C@H](O)CCCCCCCCCCCCCCC)[Si](C)(C)C | 4325.5 | Semi standard non polar | 33892256 | | Cer(d18:0/20:4),2TMS,isomer #1 | CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)N[C@@H](CO[Si](C)(C)C)[C@@H](CCCCCCCCCCCCCCC)O[Si](C)(C)C | 4389.1 | Semi standard non polar | 33892256 | | Cer(d18:0/20:4),2TMS,isomer #2 | CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)N([C@@H](CO)[C@@H](CCCCCCCCCCCCCCC)O[Si](C)(C)C)[Si](C)(C)C | 4327.5 | Semi standard non polar | 33892256 | | Cer(d18:0/20:4),2TMS,isomer #3 | CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)N([C@@H](CO[Si](C)(C)C)[C@H](O)CCCCCCCCCCCCCCC)[Si](C)(C)C | 4323.7 | Semi standard non polar | 33892256 | | Cer(d18:0/20:4),3TMS,isomer #1 | CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)N([C@@H](CO[Si](C)(C)C)[C@@H](CCCCCCCCCCCCCCC)O[Si](C)(C)C)[Si](C)(C)C | 4356.4 | Semi standard non polar | 33892256 | | Cer(d18:0/20:4),3TMS,isomer #1 | CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)N([C@@H](CO[Si](C)(C)C)[C@@H](CCCCCCCCCCCCCCC)O[Si](C)(C)C)[Si](C)(C)C | 4224.6 | Standard non polar | 33892256 | | Cer(d18:0/20:4),3TMS,isomer #1 | CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)N([C@@H](CO[Si](C)(C)C)[C@@H](CCCCCCCCCCCCCCC)O[Si](C)(C)C)[Si](C)(C)C | 4169.5 | Standard polar | 33892256 | | Cer(d18:0/20:4),1TBDMS,isomer #1 | CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)N[C@@H](CO)[C@@H](CCCCCCCCCCCCCCC)O[Si](C)(C)C(C)(C)C | 4732.6 | Semi standard non polar | 33892256 | | Cer(d18:0/20:4),1TBDMS,isomer #2 | CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)N[C@@H](CO[Si](C)(C)C(C)(C)C)[C@H](O)CCCCCCCCCCCCCCC | 4675.5 | Semi standard non polar | 33892256 | | Cer(d18:0/20:4),1TBDMS,isomer #3 | CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)N([C@@H](CO)[C@H](O)CCCCCCCCCCCCCCC)[Si](C)(C)C(C)(C)C | 4592.6 | Semi standard non polar | 33892256 | | Cer(d18:0/20:4),2TBDMS,isomer #1 | CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)N[C@@H](CO[Si](C)(C)C(C)(C)C)[C@@H](CCCCCCCCCCCCCCC)O[Si](C)(C)C(C)(C)C | 4901.9 | Semi standard non polar | 33892256 | | Cer(d18:0/20:4),2TBDMS,isomer #2 | CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)N([C@@H](CO)[C@@H](CCCCCCCCCCCCCCC)O[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 4809.8 | Semi standard non polar | 33892256 | | Cer(d18:0/20:4),2TBDMS,isomer #3 | CCCCC/C=C\C/C=C\C/C=C\C/C=C\CCCC(=O)N([C@@H](CO[Si](C)(C)C(C)(C)C)[C@H](O)CCCCCCCCCCCCCCC)[Si](C)(C)C(C)(C)C | 4787.9 | 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 - Cer(d18:0/20:4) GC-MS ("Cer(d18:0/20:4),1TMS,#1" TMS) - 70eV, Positive | Not Available | 2021-10-14 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Cer(d18:0/20:4) GC-MS (TMS_1_1) - 70eV, Positive | Not Available | 2021-10-15 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Cer(d18:0/20:4) GC-MS (TMS_1_2) - 70eV, Positive | Not Available | 2021-10-15 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Cer(d18:0/20:4) GC-MS (TMS_1_3) - 70eV, Positive | Not Available | 2021-10-15 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Cer(d18:0/20:4) GC-MS (TMS_2_1) - 70eV, Positive | Not Available | 2021-10-15 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Cer(d18:0/20:4) GC-MS (TMS_2_2) - 70eV, Positive | Not Available | 2021-10-15 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Cer(d18:0/20:4) GC-MS (TMS_2_3) - 70eV, Positive | Not Available | 2021-10-15 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Cer(d18:0/20:4) GC-MS (TBDMS_1_1) - 70eV, Positive | Not Available | 2021-10-15 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Cer(d18:0/20:4) GC-MS (TBDMS_1_2) - 70eV, Positive | Not Available | 2021-10-15 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Cer(d18:0/20:4) GC-MS (TBDMS_1_3) - 70eV, Positive | Not Available | 2021-10-15 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Cer(d18:0/20:4) GC-MS (TBDMS_2_1) - 70eV, Positive | Not Available | 2021-10-15 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Cer(d18:0/20:4) GC-MS (TBDMS_2_2) - 70eV, Positive | Not Available | 2021-10-15 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Cer(d18:0/20:4) GC-MS (TBDMS_2_3) - 70eV, Positive | Not Available | 2021-10-15 | 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 - Cer(d18:0/20:4) 10V, Negative-QTOF | splash10-000i-0000090000-d23a810d11342c663a26 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Cer(d18:0/20:4) 20V, Negative-QTOF | splash10-000i-0010090000-ad2c6ef59769f5c9b81e | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Cer(d18:0/20:4) 40V, Negative-QTOF | splash10-0ue0-0031090000-a976e8d2e51464b6476b | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Cer(d18:0/20:4) 10V, Positive-QTOF | splash10-000i-0000090000-bea76232aaf6fe6de904 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Cer(d18:0/20:4) 20V, Positive-QTOF | splash10-00kr-0050090000-8004832f9ea7bcf1aca1 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Cer(d18:0/20:4) 40V, Positive-QTOF | splash10-01c0-0090050000-f5cc6fbd916a60dca71f | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Cer(d18:0/20:4) 10V, Positive-QTOF | splash10-0006-0000090000-533a63d624bdd2be7246 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Cer(d18:0/20:4) 20V, Positive-QTOF | splash10-0006-0000090000-533a63d624bdd2be7246 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Cer(d18:0/20:4) 40V, Positive-QTOF | splash10-004i-0000090000-0a5509efab72a1263065 | 2021-09-25 | Wishart Lab | View Spectrum |
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