324290 <common-name>(1'r,2r,4'r,8's,12'r)-4',8'-dimethylspiro[oxirane-2,13'-tetracyclo[10.2.1.01,9.03,8]pentadecane]-2',4'-dicarboxylic acid</common-name> <description>(1'r,2r,4'r,8's,12'r)-4',8'-dimethylspiro[oxirane-2,13'-tetracyclo[10.2.1.01,9.03,8]pentadecane]-2',4'-dicarboxylic acid is a compound with the formula C20H28O5. It has an average molecular weight of 348.40 g/mol.</description> <cas nil="true"/> <pubchem-id>46173116</pubchem-id> <chemical-formula>C20H28O5</chemical-formula> <weight>348.4</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">2026-08-30T01:23:55Z</created-at> <updated-at type="dateTime">2026-08-30T01:23:55Z</updated-at> <interacting-proteins nil="true"/> <wikipedia nil="true"/> <uniprot-id nil="true"/> <kegg-compound-id nil="true"/> <omim-id nil="true"/> <chebi-id 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<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>CHEM320183</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>(1'r,2r,4'r,8's,12'r)-4',8'-dimethylspiro[oxirane-2,13'-tetracyclo[10.2.1.01,9.03,8]pentadecane]-2',4'-dicarboxylic acid</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"/> 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