328234 <common-name>2-[(8s,9s,10r,13s,14s,17s)-10,13-dimethyl-3,11-dioxo-2,6,7,8,9,12,14,15,16,17-decahydro-1h-cyclopenta[a]phenanthren-17-yl]-2-oxoacetaldehyde</common-name> <description>2-[(8s,9s,10r,13s,14s,17s)-10,13-dimethyl-3,11-dioxo-2,6,7,8,9,12,14,15,16,17-decahydro-1h-cyclopenta[a]phenanthren-17-yl]-2-oxoacetaldehyde is a chemical compound with the formula C21H26O4. It has an average molecular weight of 342.40 g/mol.</description> <cas nil="true"/> <pubchem-id>86289598</pubchem-id> <chemical-formula>C21H26O4</chemical-formula> <weight>342.4</weight> <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">2026-08-30T08:04:25Z</created-at> <updated-at type="dateTime">2026-08-30T08:04:25Z</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>CC12CCC(=O)C=C1CCC3C2C(=O)CC4(C3CCC4C(=O)C=O)C</moldb-smiles> <moldb-formula>C21H26O4</moldb-formula> <moldb-inchi>InChI=1S/C21H26O4/c1-20-8-7-13(23)9-12(20)3-4-14-15-5-6-16(18(25)11-22)21(15,2)10-17(24)19(14)20/h9,11,14-16,19H,3-8,10H2,1-2H3/t14-,15-,16+,19+,20-,21-/m0/s1</moldb-inchi> <moldb-inchikey>GWUQLPRDKICNSB-KJQYFISQSA-N</moldb-inchikey> <moldb-average-mass type="decimal" nil="true"/> <moldb-mono-mass type="decimal">342.1831093</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp>2.1</logp> <hmdb-id nil="true"/> <chembl-id nil="true"/> <chemspider-id nil="true"/> <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>CHEM324127</chemdb-id> <dsstox-id nil="true"/> <toxcast-id nil="true"/> <stoff-ident-origin nil="true"/> <stoff-ident-id nil="true"/> <susdat-id nil="true"/> <iupac>2-[(8s,9s,10r,13s,14s,17s)-10,13-dimethyl-3,11-dioxo-2,6,7,8,9,12,14,15,16,17-decahydro-1h-cyclopenta[a]phenanthren-17-yl]-2-oxoacetaldehyde</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"/> <kingdom>Organic compounds</kingdom> <superklass>Lipids and lipid-like molecules</superklass> <klass>Steroids and steroid derivatives</klass> <subklass>Pregnane steroids</subklass> <paper-count type="integer" nil="true"/> <sync-id>CED0278828</sync-id> <structure-inchikey>GWUQLPRDKICNSB-UHFFFAOYSA-N</structure-inchikey> <structure-fingerprint>20000000098000400080001000000000020000000000000020000000000000000020000000100000200000000080000000000000000100000080010000000008200001000000000200000020000000000200000000000000000000000000010000000040000000000000000000020008000000000000000800100000000048000000000000000000000000200004000000001000000000000020020001010004000000000000080000000000000000000000040000000000000000000000000100000000000000000000000000010000000000200000000000000000000080000000000040080000001400000000000000000000000000000000</structure-fingerprint> 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