Record Information |
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Version | 5.0 |
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Status | Detected and Quantified |
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Creation Date | 2005-11-16 15:48:42 UTC |
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Update Date | 2022-03-07 02:48:58 UTC |
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HMDB ID | HMDB0000010 |
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Secondary Accession Numbers | - HMDB00010
- HMDB0004990
- HMDB0004991
- HMDB04990
- HMDB04991
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Metabolite Identification |
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Common Name | 2-Methoxyestrone |
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Description | 2-Methoxyestrone (or 2-ME1) belongs to the class of organic compounds known as estrogens and derivatives. These are steroids with a structure containing a 3-hydroxylated estrane. Thus, 2-methoxyestrone is considered to be a steroid or steroid derivative. It is a by-product of estrone and 2-hydroxyestrone metabolism and has been detected in all mammals. More specifically, 2-methoxyestrone is an endogenous, naturally occurring methoxylated catechol estrogen and a metabolite of estrone that is formed by catechol O-methyltransferase via the intermediate 2-hydroxyestrone. 2-Methoxyestrone is part of the androgen and estrogen metabolic pathway. The acid ionization constant (pKa) of 2-methoxyestrone has been determined to be 10.81 (PMID: 516114 ). 2-Methoxyestrone can be metabolized to a sulfated derivative (2-methoxyestrone 3-sulfate) via steroid sulfotransferase (EC 2.8.2.15). It can also be glucuronidated to 2-methoxyestrone 3-glucuronide by UDP glucuronosyltransferase (EC 2.4.1.17). Unlike estrone but similarly to 2-hydroxyestrone and 2-methoxyestradiol, 2-methoxyestrone has very low affinity for the estrogen receptor and lacks significant estrogenic activity (PMID: 10865186 ). |
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Structure | [H][C@@]12CCC(=O)[C@@]1(C)CC[C@]1([H])C3=C(CC[C@@]21[H])C=C(O)C(OC)=C3 InChI=1S/C19H24O3/c1-19-8-7-12-13(15(19)5-6-18(19)21)4-3-11-9-16(20)17(22-2)10-14(11)12/h9-10,12-13,15,20H,3-8H2,1-2H3/t12-,13+,15-,19-/m0/s1 |
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Synonyms | Value | Source |
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2-(8S,9S,13S,14S)-3-Hydroxy-2-methoxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-one | HMDB | 2-Hydroxyestrone 2-methyl ether | HMDB | 2-Methoxy-17-oxoestra-1,3,5(10)-trien-3-ol | HMDB | 2-Methoxy-3-hydroxyestra-1,3,5(10)-trien-17-one | HMDB | 3-Hydroxy-2-methoxy-estra-1,3,5(10)-trien-17-one | HMDB | 3-Hydroxy-2-methoxyestra-1,3,5(10)-trien-17-one | HMDB | Methoxy-estrone | HMDB |
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Chemical Formula | C19H24O3 |
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Average Molecular Weight | 300.3921 |
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Monoisotopic Molecular Weight | 300.172544634 |
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IUPAC Name | (1S,10R,11S,15S)-5-hydroxy-4-methoxy-15-methyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadeca-2(7),3,5-trien-14-one |
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Traditional Name | (1S,10R,11S,15S)-5-hydroxy-4-methoxy-15-methyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadeca-2(7),3,5-trien-14-one |
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CAS Registry Number | 362-08-3 |
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SMILES | [H][C@@]12CCC(=O)[C@@]1(C)CC[C@]1([H])C3=C(CC[C@@]21[H])C=C(O)C(OC)=C3 |
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InChI Identifier | InChI=1S/C19H24O3/c1-19-8-7-12-13(15(19)5-6-18(19)21)4-3-11-9-16(20)17(22-2)10-14(11)12/h9-10,12-13,15,20H,3-8H2,1-2H3/t12-,13+,15-,19-/m0/s1 |
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InChI Key | WHEUWNKSCXYKBU-QPWUGHHJSA-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
- Oxosteroid
- 17-oxosteroid
- Hydroxysteroid
- Phenanthrene
- Tetralin
- Anisole
- 1-hydroxy-2-unsubstituted benzenoid
- Alkyl aryl ether
- Benzenoid
- Ketone
- Ether
- Organic oxygen compound
- Organooxygen compound
- Carbonyl group
- Hydrocarbon derivative
- Organic oxide
- 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 | |
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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 | 187.0 - 189.5 °C | 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 | Experimental Collision Cross Sections |
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Predicted Molecular Properties | |
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Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Retention Times UnderivatizedChromatographic 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. | 6.74 minutes | 32390414 | Predicted by Siyang on May 30, 2022 | 14.5162 minutes | 33406817 | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.32 minutes | 32390414 | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 2365.6 seconds | 40023050 | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 338.3 seconds | 40023050 | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 196.9 seconds | 40023050 | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 178.9 seconds | 40023050 | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 426.4 seconds | 40023050 | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 663.9 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 | 621.4 seconds | 40023050 | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 92.2 seconds | 40023050 | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 1335.4 seconds | 40023050 | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 479.3 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 | 1376.0 seconds | 40023050 | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 387.9 seconds | 40023050 | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 439.9 seconds | 40023050 | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 281.9 seconds | 40023050 | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 301.4 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 | 25.1 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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2-Methoxyestrone,1TMS,isomer #1 | COC1=CC2=C(C=C1O[Si](C)(C)C)CC[C@@H]1[C@@H]2CC[C@]2(C)C(=O)CC[C@@H]12 | 2817.4 | Semi standard non polar | 33892256 | 2-Methoxyestrone,1TMS,isomer #2 | COC1=CC2=C(C=C1O)CC[C@@H]1[C@@H]2CC[C@]2(C)C(O[Si](C)(C)C)=CC[C@@H]12 | 2756.0 | Semi standard non polar | 33892256 | 2-Methoxyestrone,2TMS,isomer #1 | COC1=CC2=C(C=C1O[Si](C)(C)C)CC[C@@H]1[C@@H]2CC[C@]2(C)C(O[Si](C)(C)C)=CC[C@@H]12 | 2734.4 | Semi standard non polar | 33892256 | 2-Methoxyestrone,2TMS,isomer #1 | COC1=CC2=C(C=C1O[Si](C)(C)C)CC[C@@H]1[C@@H]2CC[C@]2(C)C(O[Si](C)(C)C)=CC[C@@H]12 | 2657.1 | Standard non polar | 33892256 | 2-Methoxyestrone,2TMS,isomer #1 | COC1=CC2=C(C=C1O[Si](C)(C)C)CC[C@@H]1[C@@H]2CC[C@]2(C)C(O[Si](C)(C)C)=CC[C@@H]12 | 3077.2 | Standard polar | 33892256 | 2-Methoxyestrone,1TBDMS,isomer #1 | COC1=CC2=C(C=C1O[Si](C)(C)C(C)(C)C)CC[C@@H]1[C@@H]2CC[C@]2(C)C(=O)CC[C@@H]12 | 3089.8 | Semi standard non polar | 33892256 | 2-Methoxyestrone,1TBDMS,isomer #2 | COC1=CC2=C(C=C1O)CC[C@@H]1[C@@H]2CC[C@]2(C)C(O[Si](C)(C)C(C)(C)C)=CC[C@@H]12 | 3023.2 | Semi standard non polar | 33892256 | 2-Methoxyestrone,2TBDMS,isomer #1 | COC1=CC2=C(C=C1O[Si](C)(C)C(C)(C)C)CC[C@@H]1[C@@H]2CC[C@]2(C)C(O[Si](C)(C)C(C)(C)C)=CC[C@@H]12 | 3197.4 | Semi standard non polar | 33892256 | 2-Methoxyestrone,2TBDMS,isomer #1 | COC1=CC2=C(C=C1O[Si](C)(C)C(C)(C)C)CC[C@@H]1[C@@H]2CC[C@]2(C)C(O[Si](C)(C)C(C)(C)C)=CC[C@@H]12 | 3055.3 | Standard non polar | 33892256 | 2-Methoxyestrone,2TBDMS,isomer #1 | COC1=CC2=C(C=C1O[Si](C)(C)C(C)(C)C)CC[C@@H]1[C@@H]2CC[C@]2(C)C(O[Si](C)(C)C(C)(C)C)=CC[C@@H]12 | 3326.9 | Standard polar | 33892256 |
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General References | - Lee SH, Nam SY, Chung BC: Altered profile of endogenous steroids in the urine of patients with prolactinoma. Clin Biochem. 1998 Oct;31(7):529-35. [PubMed:9812172 ]
- Longcope C, Flood C, Femino A, Williams KI: Metabolism of 2-methoxyestrone in normal men. J Clin Endocrinol Metab. 1983 Aug;57(2):277-82. [PubMed:6863476 ]
- Ball P, Reu G, Schwab J, Knuppen R: Radioimmunoassay of 2-hydroxyesterone and 2-methoxyestrone in human urine. Steroids. 1979 May;33(5):563-76. [PubMed:462497 ]
- Lewis KM, Archer RD: pKa values of estrone, 17 beta-estradiol and 2-methoxyestrone. Steroids. 1979 Nov;34(5):485-99. [PubMed:516114 ]
- Simons K, Toomre D: Lipid rafts and signal transduction. Nat Rev Mol Cell Biol. 2000 Oct;1(1):31-9. [PubMed:11413487 ]
- Watson AD: Thematic review series: systems biology approaches to metabolic and cardiovascular disorders. Lipidomics: a global approach to lipid analysis in biological systems. J Lipid Res. 2006 Oct;47(10):2101-11. Epub 2006 Aug 10. [PubMed:16902246 ]
- Sethi JK, Vidal-Puig AJ: Thematic review series: adipocyte biology. Adipose tissue function and plasticity orchestrate nutritional adaptation. J Lipid Res. 2007 Jun;48(6):1253-62. Epub 2007 Mar 20. [PubMed:17374880 ]
- Lingwood D, Simons K: Lipid rafts as a membrane-organizing principle. Science. 2010 Jan 1;327(5961):46-50. doi: 10.1126/science.1174621. [PubMed:20044567 ]
- Bhavnani BR, Nisker JA, Martin J, Aletebi F, Watson L, Milne JK: Comparison of pharmacokinetics of a conjugated equine estrogen preparation (premarin) and a synthetic mixture of estrogens (C.E.S.) in postmenopausal women. J Soc Gynecol Investig. 2000 May-Jun;7(3):175-83. doi: 10.1016/s1071-5576(00)00049-6. [PubMed:10865186 ]
- (). S. Kraychy, T. F. Gallagher. 2-Methoxyestrone, A Metabolite of Estradiol-17β in the Human. J. Am. Chem. Soc., 1957, 79 (3), pp 754–754. .
- (). Miyazaki M, Fishman J. Isomeric aryl monsulfates of estrogen catechols. J Org Chem. 1968 Feb;33(2):662-4. .
- (). Shimada, K. et al., J. Chromatogr., 1979, 178, 350, (HPLC). .
- (). Gelbke, H.P. et al., Steroids, 1973, 21, 205, (synthesis, PMR). .
- (). Douglas GH, Walk CR, Smith H. Totally synthetic steroid hormones. V. (+ -)-2,3-Dimethoxyestra-1,3,5(10)-trien-17-beta-ol and some congeners. J Med Chem. 1966 Jan;9(1):27-9.. .
- Gunstone, Frank D., John L. Harwood, and Albert J. Dijkstra (2007). The lipid handbook with CD-ROM. CRC Press.
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