| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2009-07-25 00:07:15 UTC |
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| Update Date | 2022-03-07 02:51:27 UTC |
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| HMDB ID | HMDB0012782 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | 4-Methoxy-17beta-estradiol |
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| Description | 4-Methoxy-17beta-estradiol, also known as 4-methoxyestradiol or 4-ME2, is a member of the class of compounds known as estrogens and derivatives. These compounds are steroids with a structure containing a 3-hydroxylated estrane. 4-Methoxy-17beta-estradiol is practically insoluble (in water) and a very weakly acidic compound (based on its pKa). 4-Methoxy-17beta-estradiol can be synthesized from 17beta-estradiol. 4-Methoxy-17beta-estradiol can also be synthesized into 4-methoxy-17beta-estradiol 3-O-(beta-D-glucuronide). |
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| Structure | [H][C@@]12CC[C@H](O)[C@@]1(C)CC[C@]1([H])C3=CC=C(O)C(OC)=C3CC[C@@]21[H] InChI=1S/C19H26O3/c1-19-10-9-12-11-5-7-16(20)18(22-2)14(11)4-3-13(12)15(19)6-8-17(19)21/h5,7,12-13,15,17,20-21H,3-4,6,8-10H2,1-2H3/t12-,13-,15+,17+,19+/m1/s1 |
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| Synonyms | | Value | Source |
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| (17beta)-4-Methoxyestra-1,3,5(10)-triene-3,17-diol | ChEBI | | 4-MeOE2 | ChEBI | | 4-Methoxy-3,17beta-dihydroxy-1,3,5[10]-estratriene | ChEBI | | 4-Methoxyestradiol | ChEBI | | 4-Methoxyestradiol-17beta | ChEBI | | (17b)-4-Methoxyestra-1,3,5(10)-triene-3,17-diol | Generator | | (17Β)-4-methoxyestra-1,3,5(10)-triene-3,17-diol | Generator | | 4-Methoxy-3,17b-dihydroxy-1,3,5[10]-estratriene | Generator | | 4-Methoxy-3,17β-dihydroxy-1,3,5[10]-estratriene | Generator | | 4-Methoxyestradiol-17b | Generator | | 4-Methoxyestradiol-17β | Generator | | 4-Methoxy-17b-estradiol | Generator | | 4-Methoxy-17β-estradiol | Generator | | 3,17beta-Dihydroxy-4-methoxy-1,3,5[10]-estratriene | HMDB | | 3,4,17beta-Trihydroxy-1,3,5[10]-estratriene 4-methyl ether | HMDB | | 4-Methoxy-1,3,5[10]-estratriene-3,17beta-diol | HMDB | | 4-Methoxyestradiol-17 beta | HMDB | | 4-ME2 | HMDB |
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| Chemical Formula | C19H26O3 |
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| Average Molecular Weight | 302.414 |
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| Monoisotopic Molecular Weight | 302.188194697 |
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| IUPAC Name | (1S,10R,11S,14S,15S)-6-methoxy-15-methyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadeca-2,4,6-triene-5,14-diol |
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| Traditional Name | (1S,10R,11S,14S,15S)-6-methoxy-15-methyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadeca-2,4,6-triene-5,14-diol |
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| CAS Registry Number | 26788-23-8 |
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| SMILES | [H][C@@]12CC[C@H](O)[C@@]1(C)CC[C@]1([H])C3=CC=C(O)C(OC)=C3CC[C@@]21[H] |
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| InChI Identifier | InChI=1S/C19H26O3/c1-19-10-9-12-11-5-7-16(20)18(22-2)14(11)4-3-13(12)15(19)6-8-17(19)21/h5,7,12-13,15,17,20-21H,3-4,6,8-10H2,1-2H3/t12-,13-,15+,17+,19+/m1/s1 |
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| InChI Key | BCWZIZLVBYHFES-PYEWSWHRSA-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
- Hydroxysteroid
- Phenanthrene
- Tetralin
- Anisole
- 1-hydroxy-2-unsubstituted benzenoid
- Alkyl aryl ether
- Benzenoid
- Cyclic alcohol
- Secondary alcohol
- Ether
- Organic oxygen compound
- Organooxygen compound
- Hydrocarbon derivative
- Alcohol
- Aromatic homopolycyclic compound
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| Molecular Framework | Aromatic homopolycyclic compounds |
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| External Descriptors | Not Available |
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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 | 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 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. Predicted by Afia on May 17, 2022. | 6.05 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 13.9371 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.53 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 2341.0 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 306.5 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 196.0 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 173.7 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 443.7 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 697.6 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 | 637.7 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 104.6 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 1231.7 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 484.2 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 | 1464.0 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 392.2 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 444.9 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 283.4 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 289.9 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 | 40.9 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| 4-Methoxy-17beta-estradiol,1TMS,isomer #1 | COC1=C(O)C=CC2=C1CC[C@@H]1[C@@H]2CC[C@]2(C)[C@@H](O[Si](C)(C)C)CC[C@@H]12 | 2725.2 | Semi standard non polar | 33892256 | | 4-Methoxy-17beta-estradiol,1TMS,isomer #2 | COC1=C(O[Si](C)(C)C)C=CC2=C1CC[C@@H]1[C@@H]2CC[C@]2(C)[C@@H](O)CC[C@@H]12 | 2720.9 | Semi standard non polar | 33892256 | | 4-Methoxy-17beta-estradiol,2TMS,isomer #1 | COC1=C(O[Si](C)(C)C)C=CC2=C1CC[C@@H]1[C@@H]2CC[C@]2(C)[C@@H](O[Si](C)(C)C)CC[C@@H]12 | 2715.6 | Semi standard non polar | 33892256 | | 4-Methoxy-17beta-estradiol,1TBDMS,isomer #1 | COC1=C(O)C=CC2=C1CC[C@@H]1[C@@H]2CC[C@]2(C)[C@@H](O[Si](C)(C)C(C)(C)C)CC[C@@H]12 | 3006.2 | Semi standard non polar | 33892256 | | 4-Methoxy-17beta-estradiol,1TBDMS,isomer #2 | COC1=C(O[Si](C)(C)C(C)(C)C)C=CC2=C1CC[C@@H]1[C@@H]2CC[C@]2(C)[C@@H](O)CC[C@@H]12 | 2997.3 | Semi standard non polar | 33892256 | | 4-Methoxy-17beta-estradiol,2TBDMS,isomer #1 | COC1=C(O[Si](C)(C)C(C)(C)C)C=CC2=C1CC[C@@H]1[C@@H]2CC[C@]2(C)[C@@H](O[Si](C)(C)C(C)(C)C)CC[C@@H]12 | 3188.7 | Semi standard non polar | 33892256 |
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