| 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 02:49:02 UTC |
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| HMDB ID | HMDB0000431 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | 16,17-Epiestriol |
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| Description | 16,17-Epiestriol, also known as trans-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, 16,17-epiestriol is considered to be a steroid. Based on a literature review very few articles have been published on 16,17-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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| 1617-Epiestriol | HMDB | | 16,17-Epi-estriol | HMDB | | 16b,17a-Estriol | HMDB | | 16b-Hydroxy-17a-estradiol | HMDB | | Estra-1,3,5(10)-triene-3,16b,17a-triol | HMDB | | trans-Estriol | HMDB |
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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,13S,14S,15S)-15-methyltetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadeca-2(7),3,5-triene-5,13,14-triol |
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| Traditional Name | 16,17-epiestriol |
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| CAS Registry Number | 793-89-5 |
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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-LMMHAMTPSA-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-beta-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 | |
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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 × 2.1 mm; 1.7 μmparticle diameter). Predicted by Afia on May 17, 2022. | 5.12 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 11.9922 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.71 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 2061.1 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 247.5 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 168.7 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 167.8 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 274.3 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 547.4 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 | 506.5 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 83.3 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 928.9 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 443.0 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 | 1377.3 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 316.7 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 363.6 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 300.9 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 156.9 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 | 79.0 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| 16,17-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 | | 16,17-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 | | 16,17-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 | | 16,17-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 | | 16,17-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 | | 16,17-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 | | 16,17-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 | | 16,17-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 | | 16,17-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 | | 16,17-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 | | 16,17-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 | | 16,17-Epiestriol,2TBDMS,isomer #2 | 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[Si](C)(C)C(C)(C)C | 3303.1 | Semi standard non polar | 33892256 | | 16,17-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 | | 16,17-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 Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted GC-MS | Predicted GC-MS Spectrum - 16,17-Epiestriol GC-MS (Non-derivatized) - 70eV, Positive | splash10-0ab9-1590000000-cf2f42c37e3436edbcfa | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 16,17-Epiestriol GC-MS (3 TMS) - 70eV, Positive | splash10-009i-2033900000-46c301a46b654b6c6bf3 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 16,17-Epiestriol GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 16,17-Epiestriol GC-MS (TMS_1_1) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 16,17-Epiestriol GC-MS (TMS_1_2) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 16,17-Epiestriol GC-MS (TMS_1_3) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 16,17-Epiestriol GC-MS (TMS_2_1) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 16,17-Epiestriol GC-MS (TMS_2_2) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 16,17-Epiestriol GC-MS (TMS_2_3) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 16,17-Epiestriol GC-MS (TBDMS_1_1) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 16,17-Epiestriol GC-MS (TBDMS_1_2) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 16,17-Epiestriol GC-MS (TBDMS_1_3) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 16,17-Epiestriol GC-MS (TBDMS_2_1) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 16,17-Epiestriol GC-MS (TBDMS_2_2) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 16,17-Epiestriol GC-MS (TBDMS_2_3) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 16,17-Epiestriol GC-MS (TBDMS_3_1) - 70eV, Positive | Not Available | 2021-11-05 | 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 - 16,17-Epiestriol 10V, Positive-QTOF | splash10-000i-0090000000-11e0a31c4649eeadffb4 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 16,17-Epiestriol 20V, Positive-QTOF | splash10-0fki-0490000000-4179a69250f74019b4f8 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 16,17-Epiestriol 40V, Positive-QTOF | splash10-0fvi-4970000000-09555c37e0926cc7a845 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 16,17-Epiestriol 10V, Negative-QTOF | splash10-000i-0090000000-78e3342aed99bfff3970 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 16,17-Epiestriol 20V, Negative-QTOF | splash10-000i-0090000000-66743ac1a583b78756a7 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 16,17-Epiestriol 40V, Negative-QTOF | splash10-062l-0090000000-a38189a9216fbf580f8c | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 16,17-Epiestriol 10V, Positive-QTOF | splash10-000i-0090000000-1126a56061a8c854c755 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 16,17-Epiestriol 20V, Positive-QTOF | splash10-0fga-0790000000-a1dba0b6195890b30d91 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 16,17-Epiestriol 40V, Positive-QTOF | splash10-0a6v-3910000000-64d9abb8f215c1264e1f | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 16,17-Epiestriol 10V, Negative-QTOF | splash10-000i-0090000000-843a74fabb1d0eb512a1 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 16,17-Epiestriol 20V, Negative-QTOF | splash10-00kr-0090000000-4e0854fb8be9cf34de97 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 16,17-Epiestriol 40V, Negative-QTOF | splash10-02br-0090000000-70686fa9219ae093945a | 2021-09-24 | Wishart Lab | View Spectrum |
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