Record Information |
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Version | 5.0 |
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Status | Expected but not Quantified |
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Creation Date | 2008-08-13 13:49:58 UTC |
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Update Date | 2022-03-07 02:49:34 UTC |
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HMDB ID | HMDB0006852 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | 5-Dehydroavenasterol |
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Description | 5-Dehydroavenasterol belongs to the class of organic compounds known as stigmastanes and derivatives. These are sterol lipids with a structure based on the stigmastane skeleton, which consists of a cholestane moiety bearing an ethyl group at the carbon atom C24. Thus, 5-dehydroavenasterol is considered to be a sterol lipid molecule. 5-Dehydroavenasterol is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral. 5-Dehydroavenasterol is an intermediate in the biosynthesis of steroids. It is the third to last step in the synthesis of stigmasterol and is converted from delta 7-avenasterol via the enzyme lathosterol oxidase (EC 1.14.21.6). It is then converted into Isofucosterol via the enzyme 7-dehydrocholesterol reductase (EC 1.3.1.21). |
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Structure | [H][C@@]1(CC[C@@]2([H])C3=CC=C4C[C@@H](O)CC[C@]4(C)[C@@]3([H])CC[C@]12C)[C@H](C)CC\C(=C\C)C(C)C InChI=1S/C29H46O/c1-7-21(19(2)3)9-8-20(4)25-12-13-26-24-11-10-22-18-23(30)14-16-28(22,5)27(24)15-17-29(25,26)6/h7,10-11,19-20,23,25-27,30H,8-9,12-18H2,1-6H3/b21-7-/t20-,23+,25-,26+,27+,28+,29-/m1/s1 |
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Synonyms | Value | Source |
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(24Z)-24-Ethylcholesta-5,7,24(28)-trien-3beta-ol | HMDB | (24Z)-24-Ethylcholesta-5,7,24(28)-trien-3β-ol | HMDB | (24Z)-Stigmasta-5,7,24(28)-trien-3beta-ol | HMDB | (24Z)-Stigmasta-5,7,24(28)-trien-3β-ol | HMDB | (3beta,24Z)-Stigmasta-5,7,24(28)-trien-3-ol | HMDB | (3Β,24Z)-stigmasta-5,7,24(28)-trien-3-ol | HMDB | 24Z-Ethylidenecholesta-5,7-dien-3beta-ol | HMDB | 24Z-Ethylidenecholesta-5,7-dien-3β-ol | HMDB | 7-Dehydroisofucosterol | HMDB | Stigmasta-5,7-cis-24(28)-trien-3beta-ol | HMDB | Stigmasta-5,7-cis-24(28)-trien-3β-ol | HMDB | 5-Dehydroavenasterol | HMDB |
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Chemical Formula | C29H46O |
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Average Molecular Weight | 410.686 |
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Monoisotopic Molecular Weight | 410.354866101 |
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IUPAC Name | (1S,2R,5S,11R,14R,15R)-2,15-dimethyl-14-[(2R,5Z)-5-(propan-2-yl)hept-5-en-2-yl]tetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadeca-7,9-dien-5-ol |
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Traditional Name | (1S,2R,5S,11R,14R,15R)-14-[(2R,5Z)-5-isopropylhept-5-en-2-yl]-2,15-dimethyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadeca-7,9-dien-5-ol |
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CAS Registry Number | 29560-28-9 |
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SMILES | [H][C@@]1(CC[C@@]2([H])C3=CC=C4C[C@@H](O)CC[C@]4(C)[C@@]3([H])CC[C@]12C)[C@H](C)CC\C(=C\C)C(C)C |
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InChI Identifier | InChI=1S/C29H46O/c1-7-21(19(2)3)9-8-20(4)25-12-13-26-24-11-10-22-18-23(30)14-16-28(22,5)27(24)15-17-29(25,26)6/h7,10-11,19-20,23,25-27,30H,8-9,12-18H2,1-6H3/b21-7-/t20-,23+,25-,26+,27+,28+,29-/m1/s1 |
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InChI Key | XPRWWANUPMYKMF-HVEGQNEHSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as stigmastanes and derivatives. These are sterol lipids with a structure based on the stigmastane skeleton, which consists of a cholestane moiety bearing an ethyl group at the carbon atom C24. |
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Kingdom | Organic compounds |
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Super Class | Lipids and lipid-like molecules |
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Class | Steroids and steroid derivatives |
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Sub Class | Stigmastanes and derivatives |
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Direct Parent | Stigmastanes and derivatives |
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Alternative Parents | |
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Substituents | - Stigmastane-skeleton
- Triterpenoid
- 3-hydroxy-delta-5-steroid
- 3-hydroxy-delta-7-steroid
- 3-hydroxysteroid
- Hydroxysteroid
- 3-beta-hydroxy-delta-5-steroid
- 3-beta-hydroxysteroid
- Delta-7-steroid
- Delta-5-steroid
- Cyclic alcohol
- Secondary alcohol
- Alcohol
- Organooxygen compound
- Organic oxygen compound
- Hydrocarbon derivative
- Aliphatic homopolycyclic compound
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Molecular Framework | Aliphatic homopolycyclic 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 | |
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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 Kovats Retention IndicesUnderivatizedDerivatized |
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| GC-MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted GC-MS | Predicted GC-MS Spectrum - 5-Dehydroavenasterol GC-MS (1 TMS) - 70eV, Positive | Not Available | 2020-06-30 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 5-Dehydroavenasterol GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 5-Dehydroavenasterol GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Dehydroavenasterol 10V, Positive-QTOF | Not Available | 2020-06-30 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Dehydroavenasterol 20V, Positive-QTOF | Not Available | 2020-06-30 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Dehydroavenasterol 40V, Positive-QTOF | Not Available | 2020-06-30 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Dehydroavenasterol 10V, Negative-QTOF | Not Available | 2020-06-30 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Dehydroavenasterol 20V, Negative-QTOF | Not Available | 2020-06-30 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Dehydroavenasterol 40V, Negative-QTOF | Not Available | 2020-06-30 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Dehydroavenasterol 10V, Positive-QTOF | splash10-00lr-0009000000-0f8b3e625297324cedfc | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Dehydroavenasterol 20V, Positive-QTOF | splash10-0gbi-3049000000-2747d1c8268b883ffc0f | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Dehydroavenasterol 40V, Positive-QTOF | splash10-0a5c-9240000000-e3ed5ab4d8f8f2bdf5b2 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Dehydroavenasterol 10V, Negative-QTOF | splash10-0a4i-0000900000-84eae2c8ad8ccafd7741 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Dehydroavenasterol 20V, Negative-QTOF | splash10-0a4i-0000900000-3ef7712cbccd003ba144 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Dehydroavenasterol 40V, Negative-QTOF | splash10-0a4i-1002900000-c36e120707d7a0c2343a | 2021-09-25 | Wishart Lab | View Spectrum |
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