81480 <common-name>17-Hydroxy-6-methyl-19-norpregna-4,6-diene-3,20-dione</common-name> <description nil="true"/> <cas>58691-88-6</cas> <pubchem-id>68783</pubchem-id> <chemical-formula>C21H28O3</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">2026-04-04T18:12:36Z</created-at> <updated-at type="dateTime">2026-05-14T19:11:06Z</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>DB11636</drugbank-id> <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>[H][C@@]12CC[C@](O)(C(C)=O)[C@@]1(C)CC[C@]1([H])[C@@]3([H])CCC(=O)C=C3C(C)=C[C@@]21[H]</moldb-smiles> <moldb-formula>C21H28O3</moldb-formula> <moldb-inchi>InChI=1S/C21H28O3/c1-12-10-18-16(15-5-4-14(23)11-17(12)15)6-8-20(3)19(18)7-9-21(20,24)13(2)22/h10-11,15-16,18-19,24H,4-9H2,1-3H3/t15-,16-,18-,19+,20+,21+/m1/s1</moldb-inchi> <moldb-inchikey>KZUIYQJTUIACIG-YBZCJVABSA-N</moldb-inchikey> <moldb-average-mass type="decimal">328.452</moldb-average-mass> <moldb-mono-mass type="decimal">328.203845</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp>2.98</logp> <hmdb-id nil="true"/> <chembl-id nil="true"/> <chemspider-id>62024</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>CHEM077373</chemdb-id> <dsstox-id>DTXSID80866702</dsstox-id> <toxcast-id nil="true"/> <stoff-ident-origin nil="true"/> <stoff-ident-id nil="true"/> <susdat-id>NS00040681</susdat-id> <iupac>17-Hydroxy-6-methyl-19-norpregna-4,6-diene-3,20-dione</iupac> <moldb-polar-surface-area nil="true"/> <moldb-refractivity nil="true"/> <moldb-polarizability nil="true"/> <moldb-rotatable-bond-count nil="true"/> <moldb-acceptor-count nil="true"/> <moldb-donor-count nil="true"/> <moldb-pka-strongest-acidic nil="true"/> <moldb-pka-strongest-basic nil="true"/> <moldb-physiological-charge nil="true"/> <moldb-number-of-rings nil="true"/> <moldb-alogps-logp nil="true"/> <moldb-alogps-logs nil="true"/> <moldb-alogps-solubility nil="true"/> </compound>