45378 <common-name>ethisterone</common-name> <description nil="true"/> <cas>434-03-7</cas> <pubchem-id>5284557</pubchem-id> <chemical-formula>C21H28O2</chemical-formula> <weight nil="true"/> <appearance nil="true"/> <melting-point nil="true"/> <boiling-point nil="true"/> <density nil="true"/> <solubility nil="true"/> <specific-gravity nil="true"/> <flash-point nil="true"/> <vapour-pressure nil="true"/> <route-of-exposure nil="true"/> <target nil="true"/> <mechanism-of-toxicity nil="true"/> <metabolism nil="true"/> <toxicity nil="true"/> <lethaldose nil="true"/> <carcinogenicity nil="true"/> <use-source nil="true"/> <min-risk-level nil="true"/> <health-effects nil="true"/> <symptoms nil="true"/> <treatment nil="true"/> <created-at type="dateTime">2016-06-03T11:59:12Z</created-at> <updated-at type="dateTime">2026-03-27T01:22:59Z</updated-at> <interacting-proteins nil="true"/> <wikipedia nil="true"/> <uniprot-id nil="true"/> <kegg-compound-id nil="true"/> <omim-id nil="true"/> <chebi-id nil="true"/> <biocyc-id nil="true"/> <ctd-id nil="true"/> <stitch-id nil="true"/> <drugbank-id nil="true"/> <pdb-id nil="true"/> <actor-id nil="true"/> <organism nil="true"/> <export type="boolean">true</export> <metabolizing-proteins nil="true"/> <transporting-proteins nil="true"/> <moldb-smiles>C[C@]12CC[C@H]3[C@@H](CCC4=CC(=O)CC[C@]34C)[C@@H]1CC[C@@]2(O)C#C</moldb-smiles> <moldb-formula>C21H28O2</moldb-formula> <moldb-inchi>InChI=1S/C21H28O2/c1-4-21(23)12-9-18-16-6-5-14-13-15(22)7-10-19(14,2)17(16)8-11-20(18,21)3/h1,13,16-18,23H,5-12H2,2-3H3/t16-,17+,18+,19+,20+,21+/m1/s1</moldb-inchi> <moldb-inchikey>CHNXZKVNWQUJIB-CEGNMAFCSA-N</moldb-inchikey> <moldb-average-mass type="decimal">312.4458</moldb-average-mass> <moldb-mono-mass type="decimal">312.20893014</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp nil="true"/> <hmdb-id nil="true"/> <chembl-id nil="true"/> <chemspider-id>4447612</chemspider-id> <structure-image-file-name nil="true"/> <structure-image-content-type nil="true"/> <structure-image-file-size type="integer" nil="true"/> <structure-image-updated-at type="dateTime" nil="true"/> <biodb-id nil="true"/> <synthesis-reference nil="true"/> <structure-image-caption nil="true"/> <chemdb-id>CHEM044273</chemdb-id> <dsstox-id>DTXSID2023016</dsstox-id> <toxcast-id nil="true"/> <stoff-ident-origin>REACH</stoff-ident-origin> <stoff-ident-id>SI00005842</stoff-ident-id> <susdat-id>NS00007266</susdat-id> <iupac>(1S,2R,10R,11S,14R,15S)-14-ethynyl-14-hydroxy-2,15-dimethyltetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadec-6-en-5-one</iupac> </compound>