Record Information |
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Version | 2.0 |
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Creation Date | 2014-09-11 05:16:50 UTC |
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Update Date | 2014-12-24 20:26:57 UTC |
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Accession Number | T3D4791 |
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Identification |
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Common Name | Mestranol |
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Class | Small Molecule |
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Description | The 3-methyl ether of ethinyl estradiol. It must be demethylated to be biologically active. It is used as the estrogen component of many combination ORAL contraceptives. |
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Compound Type | - Drug
- Ether
- Metabolite
- Organic Compound
- Synthetic Compound
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Chemical Structure | |
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Synonyms | Synonym | (17a)-3-Methoxy-19-norpregna-1,3,5(10)-trien-20-yn-17-ol | (17b)-17-ethynyl-3-methoxyestra-1,3,5(10)-trien-17-ol | (17β)-17-Ethynyl-3-methoxyestra-1(10),2,4-trien-17-ol | (1S,10R,11S,14R,15S)-14-ethynyl-5-methoxy-15-methyltetracyclo[8.7.0.02,7.011,15]heptadeca-2(7),3,5-trien-14-ol | (8R,9S,13S,14S,17R)-17-Ethinyl-3-methoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol | (8R,9S,13S,14S,17R)-17-ethynyl-3-methoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol | (8S,9S,13S,14S,17S)-17-ethynyl-3-methoxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-ol | 17-Ethynyl-3-methoxy-1,3,5(10)-oestratien-17-β-ol | 17-Ethynylestradiol 3-methyl ether | 17a-Ethynyl-1,3,5(10)-estratriene-3,17b-diol 3-methyl ether | 17a-Ethynyl-3-methoxy-1,3,5(10)-estratrien-17b-ol | 17a-Ethynylestradiol 3-Methyl Ether | 3-Methoxy-19-nor-17α-pregna-1,3,5(10)-trien-20-yn-17-ol |
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Chemical Formula | C21H26O2 |
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Average Molecular Mass | 310.430 g/mol |
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Monoisotopic Mass | 310.193 g/mol |
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CAS Registry Number | 72-33-3 |
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IUPAC Name | (1S,10R,11S,14R,15S)-14-ethynyl-5-methoxy-15-methyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadeca-2(7),3,5-trien-14-ol |
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Traditional Name | (1S,10R,11S,14R,15S)-14-ethynyl-5-methoxy-15-methyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadeca-2(7),3,5-trien-14-ol |
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SMILES | [H][C@]12CC[C@](O)(C#C)[C@]1(C)CC[C@@]1([H])C3=CC=C(OC)C=C3CC[C@]21[H] |
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InChI Identifier | InChI=1/C21H26O2/c1-4-21(22)12-10-19-18-7-5-14-13-15(23-3)6-8-16(14)17(18)9-11-20(19,21)2/h1,6,8,13,17-19,22H,5,7,9-12H2,2-3H3/t17-,18-,19+,20+,21+/s2 |
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InChI Key | InChIKey=IMSSROKUHAOUJS-ZTUUXWJNNA-N |
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Chemical Taxonomy |
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Description | belongs to the class of organic compounds known as estrane steroids. These are steroids with a structure based on the estrane skeleton. |
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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 | Estrane steroids |
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Alternative Parents | |
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Substituents | - Estrane-skeleton
- Hydroxysteroid
- 17-hydroxysteroid
- Phenanthrene
- Tetralin
- Anisole
- Alkyl aryl ether
- Ynone
- Benzenoid
- Tertiary alcohol
- Cyclic alcohol
- Acetylide
- Ether
- Hydrocarbon derivative
- Alcohol
- Organooxygen compound
- 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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Biological Properties |
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Status | Detected and Not Quantified |
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Origin | Exogenous |
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Cellular Locations | - Cytoplasm
- Extracellular
- Membrane
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Biofluid Locations | Not Available |
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Tissue Locations | Not Available |
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Pathways | Not Available |
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Applications | Not Available |
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Biological Roles | Not Available |
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Chemical Roles | Not Available |
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Physical Properties |
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State | Solid |
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Appearance | White powder. |
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Experimental Properties | Property | Value |
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Melting Point | 150.5°C | Boiling Point | Not Available | Solubility | 3.77e-03 g/L | LogP | Not Available |
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Predicted Properties | |
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Spectra |
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Spectra | Spectrum Type | Description | Splash Key | Deposition Date | View |
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Predicted GC-MS | Predicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positive | splash10-008i-0790000000-4f67d1073f5d63b0e27d | 2017-09-01 | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - GC-MS (1 TMS) - 70eV, Positive | splash10-0g4l-3559000000-e7deac0497bd25eac9e3 | 2017-10-06 | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-03di-0149000000-c1a392ac6a255cba0e08 | 2017-07-25 | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-03dr-0592000000-0cc5cea78731703ef0b3 | 2017-07-25 | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-0k9f-3980000000-fe6e57c0238f233c2ba6 | 2017-07-25 | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-0a4i-0009000000-85dc48ac6fb3820afe06 | 2017-07-26 | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-0a4i-0069000000-cd914e79f9bb96f842c3 | 2017-07-26 | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-0f76-0090000000-84d635c97eb379340fca | 2017-07-26 | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-03di-0029000000-cb3f205cf264d3c6ade0 | 2021-10-11 | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-00ko-0970000000-461534673e7c6e28a398 | 2021-10-11 | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-072i-1940000000-132bc2499590ddce96ec | 2021-10-11 | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-0a4i-0009000000-d834b990dbff0e00d266 | 2021-10-11 | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-0a4i-0049000000-cca49518a1592cc72782 | 2021-10-11 | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-0udi-0090000000-041fe496acbbddb615b1 | 2021-10-11 | View Spectrum | MS | Mass Spectrum (Electron Ionization) | splash10-01t9-1972000000-5e394201ba0e38e5391f | 2014-09-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 25.16 MHz, CDCl3, experimental) | Not Available | 2014-09-23 | View Spectrum |
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Toxicity Profile |
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Route of Exposure | Not Available |
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Mechanism of Toxicity | Mestranol is the 3-methyl ether of ethinylestradiol. Ethinylestradiol, is a synthetic derivative of estradiol. Ethinylestradiol is orally bio-active and the estrogen used in almost all modern formulations of combined oral contraceptive pills. It binds to (and activates) the estrogen receptor. Mestranol is a biologically inactive prodrug of ethinylestradiol to which it is demethylated in the liver with a conversion efficiency of 70%.
Estrogens diffuse into their target cells and interact with a protein receptor. Target cells include the female reproductive tract, the mammary gland, the hypothalamus, and the pituitary. Estrogens increase the hepatic synthesis of sex hormone binding globulin (SHBG), thyroid-binding globulin (TBG), and other serum proteins and suppress follicle-stimulating hormone (FSH) from the anterior pituitary. The combination of an estrogen with a progestin suppresses the hypothalamic-pituitary system, decreasing the secretion of gonadotropin-releasing hormone (GnRH). |
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Metabolism | Not Available |
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Toxicity Values | Not Available |
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Lethal Dose | Not Available |
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Carcinogenicity (IARC Classification) | No indication of carcinogenicity to humans (not listed by IARC). |
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Uses/Sources | Mestranol was used as one of the first oral contraceptives. |
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Minimum Risk Level | Not Available |
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Health Effects | Not Available |
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Symptoms | Not Available |
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Treatment | Not Available |
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Normal Concentrations |
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| Not Available |
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Abnormal Concentrations |
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| Not Available |
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External Links |
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DrugBank ID | DB01357 |
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HMDB ID | HMDB15446 |
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PubChem Compound ID | 6291 |
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ChEMBL ID | CHEMBL1201151 |
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ChemSpider ID | 6054 |
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KEGG ID | C07618 |
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UniProt ID | Not Available |
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OMIM ID | |
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ChEBI ID | 6784 |
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BioCyc ID | Not Available |
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CTD ID | Not Available |
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Stitch ID | Not Available |
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PDB ID | Not Available |
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ACToR ID | Not Available |
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Wikipedia Link | Mestranol |
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References |
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Synthesis Reference | Not Available |
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MSDS | T3D4791.pdf |
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General References | Not Available |
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Gene Regulation |
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Up-Regulated Genes | Not Available |
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Down-Regulated Genes | Not Available |
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