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 02:49:00 UTC |
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HMDB ID | HMDB0000356 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | 17-Epiestriol |
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Description | 17-Epiestriol, also known as 17alpha-estriol, belongs to the class of organic compounds known as estrogens and derivatives. These are steroids with a structure containing a 3-hydroxylated estrane. Thus, 17-epiestriol is considered to be a steroid lipid molecule. 17-Epiestriol is a hydroxylated metabolite of estradiol or estrone that has a hydroxyl group at the C3-beta, 16-alpha, and 17-beta positions. Estriol is a major urinary estrogen. During pregnancy, a large amount of estriol is produced by the placenta. Isomers with inversion of the hydroxyl group or groups are called epiestriol. |
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Structure | [H][C@@]12C[C@@H](O)[C@@H](O)[C@@]1(C)CC[C@]1([H])C3=C(CC[C@@]21[H])C=C(O)C=C3 InChI=1S/C18H24O3/c1-18-7-6-13-12-5-3-11(19)8-10(12)2-4-14(13)15(18)9-16(20)17(18)21/h3,5,8,13-17,19-21H,2,4,6-7,9H2,1H3/t13-,14-,15+,16-,17-,18+/m1/s1 |
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Synonyms | Value | Source |
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(16alpha,17alpha)-Estra-1(10),2,4-triene-3,16,17-triol | ChEBI | (8R,9S,13S,14S,16R,17S)-13-Methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,16,17-triol | ChEBI | 1,3,5(10)-Estratriene-3,16alpha,17alpha-triol | ChEBI | 16alpha,17alpha-Estriol | ChEBI | 16alpha-Hydroxy-17alpha-estradiol | ChEBI | 17alpha-Estriol | ChEBI | 3,16alpha,17alpha-Trihydroxy-1,3,5(10)-estratriene | ChEBI | (16a,17a)-Estra-1(10),2,4-triene-3,16,17-triol | Generator | (16Α,17α)-estra-1(10),2,4-triene-3,16,17-triol | Generator | 1,3,5(10)-Estratriene-3,16a,17a-triol | Generator | 1,3,5(10)-Estratriene-3,16α,17α-triol | Generator | 16a,17a-Estriol | Generator | 16Α,17α-estriol | Generator | 16a-Hydroxy-17a-estradiol | Generator | 16Α-hydroxy-17α-estradiol | Generator | 17a-Estriol | Generator | 17Α-estriol | Generator | 3,16a,17a-Trihydroxy-1,3,5(10)-estratriene | Generator | 3,16Α,17α-trihydroxy-1,3,5(10)-estratriene | Generator | (16a,17a)-Estra-1,3,5(10)-triene-3,16,17-triol | HMDB | (16Α,17α)-estra-1,3,5(10)-triene-3,16,17-triol | HMDB | (16alpha,17alpha)-Estra-1,3,5(10)-triene-3,16,17-triol | HMDB | 17-Epi-estriol | HMDB | 17alpha-Epiestriol | HMDB | 17Α-epiestriol | HMDB | Estra-1,3,5(10)-triene-3,16alpha,17alpha-triol | HMDB | Estra-1,3,5(10)-triene-3,16α,17α-triol | HMDB | 17-Epiestriol | ChEMBL |
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Chemical Formula | C18H24O3 |
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Average Molecular Weight | 288.3814 |
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Monoisotopic Molecular Weight | 288.172544634 |
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IUPAC Name | (1S,10R,11S,13R,14S,15S)-15-methyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadeca-2,4,6-triene-5,13,14-triol |
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Traditional Name | (1S,10R,11S,13R,14S,15S)-15-methyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadeca-2,4,6-triene-5,13,14-triol |
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CAS Registry Number | 1228-72-4 |
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SMILES | [H][C@@]12C[C@@H](O)[C@@H](O)[C@@]1(C)CC[C@]1([H])C3=C(CC[C@@]21[H])C=C(O)C=C3 |
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InChI Identifier | InChI=1S/C18H24O3/c1-18-7-6-13-12-5-3-11(19)8-10(12)2-4-14(13)15(18)9-16(20)17(18)21/h3,5,8,13-17,19-21H,2,4,6-7,9H2,1H3/t13-,14-,15+,16-,17-,18+/m1/s1 |
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InChI Key | PROQIPRRNZUXQM-PNVOZDDCSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as estrogens and derivatives. These are steroids with a structure containing a 3-hydroxylated estrane. |
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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 | Estrane steroids |
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Direct Parent | Estrogens and derivatives |
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Alternative Parents | |
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Substituents | - Estrogen-skeleton
- 3-hydroxysteroid
- 17-hydroxysteroid
- 16-hydroxysteroid
- 16-alpha-hydroxysteroid
- Hydroxysteroid
- Phenanthrene
- Tetralin
- 1-hydroxy-2-unsubstituted benzenoid
- Benzenoid
- Cyclic alcohol
- Secondary alcohol
- 1,2-diol
- Polyol
- Organooxygen compound
- Hydrocarbon derivative
- Alcohol
- Organic oxygen compound
- Aromatic homopolycyclic compound
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Molecular Framework | Aromatic 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 IndicesUnderivatizedDerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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17-Epiestriol,1TMS,isomer #1 | C[C@]12CC[C@@H]3C4=CC=C(O)C=C4CC[C@H]3[C@@H]1C[C@@H](O[Si](C)(C)C)[C@H]2O | 2789.2 | Semi standard non polar | 33892256 | 17-Epiestriol,1TMS,isomer #2 | C[C@]12CC[C@@H]3C4=CC=C(O)C=C4CC[C@H]3[C@@H]1C[C@@H](O)[C@H]2O[Si](C)(C)C | 2794.1 | Semi standard non polar | 33892256 | 17-Epiestriol,1TMS,isomer #3 | C[C@]12CC[C@@H]3C4=CC=C(O[Si](C)(C)C)C=C4CC[C@H]3[C@@H]1C[C@@H](O)[C@H]2O | 2771.9 | Semi standard non polar | 33892256 | 17-Epiestriol,2TMS,isomer #1 | C[C@]12CC[C@@H]3C4=CC=C(O[Si](C)(C)C)C=C4CC[C@H]3[C@@H]1C[C@@H](O[Si](C)(C)C)[C@H]2O | 2842.9 | Semi standard non polar | 33892256 | 17-Epiestriol,2TMS,isomer #2 | C[C@]12CC[C@@H]3C4=CC=C(O)C=C4CC[C@H]3[C@@H]1C[C@@H](O[Si](C)(C)C)[C@H]2O[Si](C)(C)C | 2782.1 | Semi standard non polar | 33892256 | 17-Epiestriol,2TMS,isomer #3 | C[C@]12CC[C@@H]3C4=CC=C(O[Si](C)(C)C)C=C4CC[C@H]3[C@@H]1C[C@@H](O)[C@H]2O[Si](C)(C)C | 2842.9 | Semi standard non polar | 33892256 | 17-Epiestriol,3TMS,isomer #1 | C[C@]12CC[C@@H]3C4=CC=C(O[Si](C)(C)C)C=C4CC[C@H]3[C@@H]1C[C@@H](O[Si](C)(C)C)[C@H]2O[Si](C)(C)C | 2907.4 | Semi standard non polar | 33892256 | 17-Epiestriol,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)O[C@@H]1C[C@H]2[C@@H]3CCC4=CC(O)=CC=C4[C@H]3CC[C@]2(C)[C@@H]1O | 3065.1 | Semi standard non polar | 33892256 | 17-Epiestriol,1TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)O[C@@H]1[C@H](O)C[C@H]2[C@@H]3CCC4=CC(O)=CC=C4[C@H]3CC[C@]12C | 3081.3 | Semi standard non polar | 33892256 | 17-Epiestriol,1TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)OC1=CC=C2C(=C1)CC[C@@H]1[C@@H]2CC[C@]2(C)[C@H](O)[C@H](O)C[C@@H]12 | 3084.3 | Semi standard non polar | 33892256 | 17-Epiestriol,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CC=C2C(=C1)CC[C@@H]1[C@@H]2CC[C@]2(C)[C@H](O)[C@H](O[Si](C)(C)C(C)(C)C)C[C@@H]12 | 3374.5 | Semi standard non polar | 33892256 | 17-Epiestriol,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)O[C@@H]1[C@H](O[Si](C)(C)C(C)(C)C)C[C@H]2[C@@H]3CCC4=CC(O)=CC=C4[C@H]3CC[C@]12C | 3303.1 | Semi standard non polar | 33892256 | 17-Epiestriol,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)OC1=CC=C2C(=C1)CC[C@@H]1[C@@H]2CC[C@]2(C)[C@H](O[Si](C)(C)C(C)(C)C)[C@H](O)C[C@@H]12 | 3391.4 | Semi standard non polar | 33892256 | 17-Epiestriol,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CC=C2C(=C1)CC[C@@H]1[C@@H]2CC[C@]2(C)[C@H](O[Si](C)(C)C(C)(C)C)[C@H](O[Si](C)(C)C(C)(C)C)C[C@@H]12 | 3664.8 | Semi standard non 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 - 17-Epiestriol GC-MS (Non-derivatized) - 70eV, Positive | splash10-0ab9-1390000000-492aa66975c4e026b9d8 | 2017-09-07 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 17-Epiestriol GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 17-Epiestriol GC-MS (TMS_1_1) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 17-Epiestriol GC-MS (TMS_1_2) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 17-Epiestriol GC-MS (TMS_1_3) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 17-Epiestriol GC-MS (TMS_2_1) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 17-Epiestriol GC-MS (TMS_2_2) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 17-Epiestriol GC-MS (TMS_2_3) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 17-Epiestriol GC-MS (TMS_3_1) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 17-Epiestriol GC-MS (TBDMS_1_1) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 17-Epiestriol GC-MS (TBDMS_1_2) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 17-Epiestriol GC-MS (TBDMS_1_3) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 17-Epiestriol GC-MS (TBDMS_2_1) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 17-Epiestriol GC-MS (TBDMS_2_2) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 17-Epiestriol GC-MS (TBDMS_2_3) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 17-Epiestriol GC-MS (TBDMS_3_1) - 70eV, Positive | Not Available | 2021-11-05 | 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 - 17-Epiestriol 10V, Positive-QTOF | splash10-000i-0190000000-b047d204e97271aa8a65 | 2017-07-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 17-Epiestriol 20V, Positive-QTOF | splash10-00dr-0490000000-c0c0bd8b1dc1381c06fa | 2017-07-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 17-Epiestriol 40V, Positive-QTOF | splash10-0ufr-3950000000-b7180dbe548021fd7fc9 | 2017-07-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 17-Epiestriol 10V, Negative-QTOF | splash10-000i-0090000000-743915792d6f69593b2b | 2017-07-26 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 17-Epiestriol 20V, Negative-QTOF | splash10-000i-0090000000-8469d578b4631e8de995 | 2017-07-26 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 17-Epiestriol 40V, Negative-QTOF | splash10-02p0-0190000000-738399876b56d0e183d5 | 2017-07-26 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 17-Epiestriol 10V, Positive-QTOF | splash10-000i-0090000000-1126a56061a8c854c755 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 17-Epiestriol 20V, Positive-QTOF | splash10-0fga-0790000000-a1dba0b6195890b30d91 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 17-Epiestriol 40V, Positive-QTOF | splash10-0a6v-3910000000-64d9abb8f215c1264e1f | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 17-Epiestriol 10V, Negative-QTOF | splash10-000i-0090000000-843a74fabb1d0eb512a1 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 17-Epiestriol 20V, Negative-QTOF | splash10-00kr-0090000000-4e0854fb8be9cf34de97 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 17-Epiestriol 40V, Negative-QTOF | splash10-02br-0090000000-70686fa9219ae093945a | 2021-09-24 | Wishart Lab | View Spectrum |
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