Record Information |
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Version | 5.0 |
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Status | Expected but not Quantified |
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Creation Date | 2013-05-17 01:00:29 UTC |
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Update Date | 2022-03-07 03:17:44 UTC |
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HMDB ID | HMDB0060408 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | 5alpha-Pregnan-20alpha-ol-3-one |
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Description | 5alpha-Pregnan-20alpha-ol-3-one, also known as 5α-pregnan-20α-ol-3-one or 20 beta-hydroxy-5 alpha-pregnan-3-one, belongs to the class of organic compounds known as gluco/mineralocorticoids, progestogins and derivatives. These are steroids with a structure based on a hydroxylated prostane moiety. 5alpha-Pregnan-20alpha-ol-3-one is an extremely weak basic (essentially neutral) compound (based on its pKa). |
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Structure | C[C@H](O)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4CC(=O)CC[C@]4(C)[C@H]3CC[C@]12C InChI=1S/C21H34O2/c1-13(22)17-6-7-18-16-5-4-14-12-15(23)8-10-20(14,2)19(16)9-11-21(17,18)3/h13-14,16-19,22H,4-12H2,1-3H3/t13-,14-,16-,17+,18-,19-,20-,21+/m0/s1 |
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Synonyms | Value | Source |
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Allopregnan-20alpha-ol-3-one | Kegg | Allopregnan-20a-ol-3-one | Generator | Allopregnan-20α-ol-3-one | Generator | 5a-Pregnan-20a-ol-3-one | Generator | 5Α-pregnan-20α-ol-3-one | Generator | 20 beta-Hydroxy-5 alpha-pregnan-3-one | HMDB | Allopregnan-20 alpha-ol-3-one, (5alpha)-isomer | HMDB | Allopregnan-20 alpha-ol-3-one, (5beta,20S)-isomer | HMDB | 20 alpha-Hydroxy-5 alpha-pregnan-3-one | HMDB | Allopregnan-20 alpha-ol-3-one, (5beta,17alpha,20S)-isomer | HMDB | Allopregnan-20 beta-ol-3-one | HMDB | 20-AHAPO | HMDB | Allopregnan-20 alpha-ol-3-one | HMDB | Allopregnan-20 alpha-ol-3-one, (20S)-isomer | HMDB | Allopregnan-20 alpha-ol-3-one, (5alpha,20R)-isomer | HMDB | Allopregnan-20 alpha-ol-3-one, (5beta,20R)-isomer | HMDB |
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Chemical Formula | C21H34O2 |
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Average Molecular Weight | 318.4935 |
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Monoisotopic Molecular Weight | 318.255880332 |
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IUPAC Name | (1S,2S,7S,10R,11S,14S,15S)-14-[(1S)-1-hydroxyethyl]-2,15-dimethyltetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadecan-5-one |
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Traditional Name | (1S,2S,7S,10R,11S,14S,15S)-14-[(1S)-1-hydroxyethyl]-2,15-dimethyltetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadecan-5-one |
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CAS Registry Number | Not Available |
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SMILES | C[C@H](O)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4CC(=O)CC[C@]4(C)[C@H]3CC[C@]12C |
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InChI Identifier | InChI=1S/C21H34O2/c1-13(22)17-6-7-18-16-5-4-14-12-15(23)8-10-20(14,2)19(16)9-11-21(17,18)3/h13-14,16-19,22H,4-12H2,1-3H3/t13-,14-,16-,17+,18-,19-,20-,21+/m0/s1 |
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InChI Key | DYVGYXXLXQESJE-SKLBOBKVSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as gluco/mineralocorticoids, progestogins and derivatives. These are steroids with a structure based on a hydroxylated prostane moiety. |
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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 | Pregnane steroids |
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Direct Parent | Gluco/mineralocorticoids, progestogins and derivatives |
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Alternative Parents | |
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Substituents | - Progestogin-skeleton
- 20-hydroxysteroid
- 3-oxosteroid
- Hydroxysteroid
- 3-oxo-5-alpha-steroid
- Oxosteroid
- Cyclic ketone
- Ketone
- Secondary alcohol
- Organic oxygen compound
- Hydrocarbon derivative
- Organic oxide
- Carbonyl group
- Alcohol
- Organooxygen compound
- 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 | Not Available |
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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 Kovats Retention IndicesUnderivatizedDerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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5alpha-Pregnan-20alpha-ol-3-one,1TMS,isomer #1 | C[C@H](O[Si](C)(C)C)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4CC(=O)CC[C@]4(C)[C@H]3CC[C@]12C | 2838.8 | Semi standard non polar | 33892256 | 5alpha-Pregnan-20alpha-ol-3-one,1TMS,isomer #2 | C[C@H](O)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4CC(O[Si](C)(C)C)=CC[C@]4(C)[C@H]3CC[C@]12C | 2814.9 | Semi standard non polar | 33892256 | 5alpha-Pregnan-20alpha-ol-3-one,1TMS,isomer #3 | C[C@H](O)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4C=C(O[Si](C)(C)C)CC[C@]4(C)[C@H]3CC[C@]12C | 2786.3 | Semi standard non polar | 33892256 | 5alpha-Pregnan-20alpha-ol-3-one,2TMS,isomer #1 | C[C@H](O[Si](C)(C)C)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4CC(O[Si](C)(C)C)=CC[C@]4(C)[C@H]3CC[C@]12C | 2809.9 | Semi standard non polar | 33892256 | 5alpha-Pregnan-20alpha-ol-3-one,2TMS,isomer #1 | C[C@H](O[Si](C)(C)C)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4CC(O[Si](C)(C)C)=CC[C@]4(C)[C@H]3CC[C@]12C | 2812.6 | Standard non polar | 33892256 | 5alpha-Pregnan-20alpha-ol-3-one,2TMS,isomer #1 | C[C@H](O[Si](C)(C)C)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4CC(O[Si](C)(C)C)=CC[C@]4(C)[C@H]3CC[C@]12C | 3140.2 | Standard polar | 33892256 | 5alpha-Pregnan-20alpha-ol-3-one,2TMS,isomer #2 | C[C@H](O[Si](C)(C)C)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4C=C(O[Si](C)(C)C)CC[C@]4(C)[C@H]3CC[C@]12C | 2796.2 | Semi standard non polar | 33892256 | 5alpha-Pregnan-20alpha-ol-3-one,2TMS,isomer #2 | C[C@H](O[Si](C)(C)C)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4C=C(O[Si](C)(C)C)CC[C@]4(C)[C@H]3CC[C@]12C | 2836.6 | Standard non polar | 33892256 | 5alpha-Pregnan-20alpha-ol-3-one,2TMS,isomer #2 | C[C@H](O[Si](C)(C)C)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4C=C(O[Si](C)(C)C)CC[C@]4(C)[C@H]3CC[C@]12C | 3139.7 | Standard polar | 33892256 | 5alpha-Pregnan-20alpha-ol-3-one,1TBDMS,isomer #1 | C[C@H](O[Si](C)(C)C(C)(C)C)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4CC(=O)CC[C@]4(C)[C@H]3CC[C@]12C | 3054.3 | Semi standard non polar | 33892256 | 5alpha-Pregnan-20alpha-ol-3-one,1TBDMS,isomer #2 | C[C@H](O)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4CC(O[Si](C)(C)C(C)(C)C)=CC[C@]4(C)[C@H]3CC[C@]12C | 3080.4 | Semi standard non polar | 33892256 | 5alpha-Pregnan-20alpha-ol-3-one,1TBDMS,isomer #3 | C[C@H](O)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4C=C(O[Si](C)(C)C(C)(C)C)CC[C@]4(C)[C@H]3CC[C@]12C | 3035.5 | Semi standard non polar | 33892256 | 5alpha-Pregnan-20alpha-ol-3-one,2TBDMS,isomer #1 | C[C@H](O[Si](C)(C)C(C)(C)C)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4CC(O[Si](C)(C)C(C)(C)C)=CC[C@]4(C)[C@H]3CC[C@]12C | 3323.3 | Semi standard non polar | 33892256 | 5alpha-Pregnan-20alpha-ol-3-one,2TBDMS,isomer #1 | C[C@H](O[Si](C)(C)C(C)(C)C)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4CC(O[Si](C)(C)C(C)(C)C)=CC[C@]4(C)[C@H]3CC[C@]12C | 3208.2 | Standard non polar | 33892256 | 5alpha-Pregnan-20alpha-ol-3-one,2TBDMS,isomer #1 | C[C@H](O[Si](C)(C)C(C)(C)C)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4CC(O[Si](C)(C)C(C)(C)C)=CC[C@]4(C)[C@H]3CC[C@]12C | 3372.3 | Standard polar | 33892256 | 5alpha-Pregnan-20alpha-ol-3-one,2TBDMS,isomer #2 | C[C@H](O[Si](C)(C)C(C)(C)C)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4C=C(O[Si](C)(C)C(C)(C)C)CC[C@]4(C)[C@H]3CC[C@]12C | 3301.6 | Semi standard non polar | 33892256 | 5alpha-Pregnan-20alpha-ol-3-one,2TBDMS,isomer #2 | C[C@H](O[Si](C)(C)C(C)(C)C)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4C=C(O[Si](C)(C)C(C)(C)C)CC[C@]4(C)[C@H]3CC[C@]12C | 3286.2 | Standard non polar | 33892256 | 5alpha-Pregnan-20alpha-ol-3-one,2TBDMS,isomer #2 | C[C@H](O[Si](C)(C)C(C)(C)C)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4C=C(O[Si](C)(C)C(C)(C)C)CC[C@]4(C)[C@H]3CC[C@]12C | 3374.4 | Standard polar | 33892256 |
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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 - 5alpha-Pregnan-20alpha-ol-3-one GC-MS (Non-derivatized) - 70eV, Positive | splash10-0k95-0192000000-b00561a2208d4cb0b913 | 2017-09-20 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 5alpha-Pregnan-20alpha-ol-3-one GC-MS (1 TMS) - 70eV, Positive | splash10-004i-2129000000-5c43699af1fc715c5869 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 5alpha-Pregnan-20alpha-ol-3-one GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 5alpha-Pregnan-20alpha-ol-3-one 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 - 5alpha-Pregnan-20alpha-ol-3-one 10V, Positive-QTOF | splash10-0uxr-0019000000-3506e9f182ec12c5aed0 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5alpha-Pregnan-20alpha-ol-3-one 20V, Positive-QTOF | splash10-0uxr-0395000000-c801058bbfa1f2c4f099 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5alpha-Pregnan-20alpha-ol-3-one 40V, Positive-QTOF | splash10-0596-0290000000-fd24da59e508c11cc6a3 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5alpha-Pregnan-20alpha-ol-3-one 10V, Negative-QTOF | splash10-014i-0029000000-df9503094940704a35bd | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5alpha-Pregnan-20alpha-ol-3-one 20V, Negative-QTOF | splash10-014i-0079000000-1254a079d1defaae9337 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5alpha-Pregnan-20alpha-ol-3-one 40V, Negative-QTOF | splash10-0kmm-1091000000-bebd195b92650838516f | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5alpha-Pregnan-20alpha-ol-3-one 10V, Positive-QTOF | splash10-0ue9-0049000000-dc63887de92d3113b038 | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5alpha-Pregnan-20alpha-ol-3-one 20V, Positive-QTOF | splash10-0ugi-0967000000-009793afff3ad87b7345 | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5alpha-Pregnan-20alpha-ol-3-one 40V, Positive-QTOF | splash10-0a4l-5920000000-e7c8a5e980737026f110 | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5alpha-Pregnan-20alpha-ol-3-one 10V, Negative-QTOF | splash10-014i-0019000000-5b2d58e6c16a0346f3a9 | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5alpha-Pregnan-20alpha-ol-3-one 20V, Negative-QTOF | splash10-014j-0089000000-4593028af991db978045 | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5alpha-Pregnan-20alpha-ol-3-one 40V, Negative-QTOF | splash10-014r-0096000000-89259d8ad5d1906e6536 | 2021-10-12 | Wishart Lab | View Spectrum |
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