| 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 01:00:33 UTC |
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| Update Date | 2022-03-07 03:17:44 UTC |
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| HMDB ID | HMDB0060409 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | 5alpha-Pregnane-3alpha,20alpha-diol |
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| Description | 5alpha-Pregnane-3alpha,20alpha-diol, also known as allopregnane-3a,20a-diol or 5α-pregnane-3α,20α-diol, 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. Based on a literature review a small amount of articles have been published on 5alpha-Pregnane-3alpha,20alpha-diol. |
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| Structure | C[C@H](O)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4C[C@H](O)CC[C@]4(C)[C@H]3CC[C@]12C InChI=1S/C21H36O2/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/h13-19,22-23H,4-12H2,1-3H3/t13-,14-,15+,16-,17+,18-,19-,20-,21+/m0/s1 |
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| Synonyms | | Value | Source |
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| Allopregnane-3alpha,20alpha-diol | Kegg | | Allopregnane-3a,20a-diol | Generator | | Allopregnane-3α,20α-diol | Generator | | 5a-Pregnane-3a,20a-diol | Generator | | 5Α-pregnane-3α,20α-diol | Generator |
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| Chemical Formula | C21H36O2 |
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| Average Molecular Weight | 320.5093 |
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| Monoisotopic Molecular Weight | 320.271530396 |
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| IUPAC Name | (1S,2S,5R,7S,10R,11S,14S,15S)-14-[(1S)-1-hydroxyethyl]-2,15-dimethyltetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadecan-5-ol |
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| Traditional Name | (1S,2S,5R,7S,10R,11S,14S,15S)-14-[(1S)-1-hydroxyethyl]-2,15-dimethyltetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadecan-5-ol |
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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]4C[C@H](O)CC[C@]4(C)[C@H]3CC[C@]12C |
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| InChI Identifier | InChI=1S/C21H36O2/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/h13-19,22-23H,4-12H2,1-3H3/t13-,14-,15+,16-,17+,18-,19-,20-,21+/m0/s1 |
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| InChI Key | YWYQTGBBEZQBGO-CGVINKDUSA-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-alpha-hydroxysteroid
- Hydroxysteroid
- 3-hydroxysteroid
- Cyclic alcohol
- Secondary alcohol
- Organic oxygen compound
- Hydrocarbon derivative
- Organooxygen compound
- Alcohol
- 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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| Not Available | 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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| Measured using a Waters Acquity ultraperformance liquid chromatography (UPLC) ethylene-bridged hybrid (BEH) C18 column (100 mm √ó 2.1 mm; 1.7 Œºmparticle diameter). Predicted by Afia on May 17, 2022. | 6.82 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 15.9005 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.32 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 2666.3 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 345.0 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 212.5 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 177.8 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 527.6 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 680.5 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 | 653.8 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 118.1 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 1213.6 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 492.3 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 | 1568.4 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 395.0 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 449.7 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 258.6 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 403.6 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 | 20.6 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| 5alpha-Pregnane-3alpha,20alpha-diol,1TMS,isomer #1 | C[C@H](O[Si](C)(C)C)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4C[C@H](O)CC[C@]4(C)[C@H]3CC[C@]12C | 2752.4 | Semi standard non polar | 33892256 | | 5alpha-Pregnane-3alpha,20alpha-diol,1TMS,isomer #2 | C[C@H](O)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4C[C@H](O[Si](C)(C)C)CC[C@]4(C)[C@H]3CC[C@]12C | 2779.7 | Semi standard non polar | 33892256 | | 5alpha-Pregnane-3alpha,20alpha-diol,2TMS,isomer #1 | C[C@H](O[Si](C)(C)C)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4C[C@H](O[Si](C)(C)C)CC[C@]4(C)[C@H]3CC[C@]12C | 2777.8 | Semi standard non polar | 33892256 | | 5alpha-Pregnane-3alpha,20alpha-diol,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]4C[C@H](O)CC[C@]4(C)[C@H]3CC[C@]12C | 3001.1 | Semi standard non polar | 33892256 | | 5alpha-Pregnane-3alpha,20alpha-diol,1TBDMS,isomer #2 | C[C@H](O)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4C[C@H](O[Si](C)(C)C(C)(C)C)CC[C@]4(C)[C@H]3CC[C@]12C | 3036.9 | Semi standard non polar | 33892256 | | 5alpha-Pregnane-3alpha,20alpha-diol,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]4C[C@H](O[Si](C)(C)C(C)(C)C)CC[C@]4(C)[C@H]3CC[C@]12C | 3298.6 | 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 - 5alpha-Pregnane-3alpha,20alpha-diol GC-MS (Non-derivatized) - 70eV, Positive | splash10-0nmm-0292000000-03092e985cee05e7d329 | 2017-09-20 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 5alpha-Pregnane-3alpha,20alpha-diol GC-MS (2 TMS) - 70eV, Positive | splash10-0002-1225900000-cb9b819b2ff6f4376b3e | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 5alpha-Pregnane-3alpha,20alpha-diol GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 5alpha-Pregnane-3alpha,20alpha-diol 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 - 5alpha-Pregnane-3alpha,20alpha-diol 10V, Positive-QTOF | splash10-0uk9-0039000000-34778ce40725503a9c11 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5alpha-Pregnane-3alpha,20alpha-diol 20V, Positive-QTOF | splash10-0udr-0496000000-e5eca60ce9be808b9f6e | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5alpha-Pregnane-3alpha,20alpha-diol 40V, Positive-QTOF | splash10-0044-1490000000-8940d8f1680a36ebab1d | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5alpha-Pregnane-3alpha,20alpha-diol 10V, Negative-QTOF | splash10-014i-0019000000-576509f0f1b6c456a233 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5alpha-Pregnane-3alpha,20alpha-diol 20V, Negative-QTOF | splash10-0gb9-0029000000-863ac5ca415bb0746487 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5alpha-Pregnane-3alpha,20alpha-diol 40V, Negative-QTOF | splash10-0pdj-0091000000-6296a2f96534cbb22bf3 | 2017-10-06 | Wishart Lab | View Spectrum |
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