345435 <common-name>Methyl (1s,5s,11r,14s,15s,17r,18s,19s,21r)-21-hydroxy-10,10,14,17,18,21-hexamethyl-8,20-dioxo-2,3,9,22-tetraoxapentacyclo[13.6.1.01,17.05,11.05,15]docosane-19-carboxylate</common-name> <description>Methyl (1s,5s,11r,14s,15s,17r,18s,19s,21r)-21-hydroxy-10,10,14,17,18,21-hexamethyl-8,20-dioxo-2,3,9,22-tetraoxapentacyclo[13.6.1.01,17.05,11.05,15]docosane-19-carboxylate is a chemical compound with the formula C26H38O9. It has an average molecular weight of 494.60 g/mol.</description> <cas nil="true"/> <pubchem-id>155818803</pubchem-id> <chemical-formula>C26H38O9</chemical-formula> <weight>494.6</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">2026-08-31T08:11:11Z</created-at> <updated-at type="dateTime">2026-08-31T08:11:11Z</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>CC1CCC2C(OC(=O)CCC23C14CC5(C(C(C(=O)C(C5(O4)OOC3)(C)O)C(=O)OC)C)C)(C)C</moldb-smiles> <moldb-formula>C26H38O9</moldb-formula> <moldb-inchi>InChI=1S/C26H38O9/c1-14-8-9-16-21(3,4)33-17(27)10-11-24(16)13-32-35-26-22(5,12-25(14,24)34-26)15(2)18(20(29)31-7)19(28)23(26,6)30/h14-16,18,30H,8-13H2,1-7H3/t14-,15-,16-,18-,22+,23+,24+,25-,26-/m0/s1</moldb-inchi> <moldb-inchikey>FKVSHWDGJOLCOC-QLDZKYQNSA-N</moldb-inchikey> <moldb-average-mass type="decimal" nil="true"/> <moldb-mono-mass type="decimal">494.2515828</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp>2.6</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>CHEM341328</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>Methyl (1s,5s,11r,14s,15s,17r,18s,19s,21r)-21-hydroxy-10,10,14,17,18,21-hexamethyl-8,20-dioxo-2,3,9,22-tetraoxapentacyclo[13.6.1.01,17.05,11.05,15]docosane-19-carboxylate</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>Organoheterocyclic compounds</superklass> <klass>Lactones</klass> <subklass nil="true"/> <paper-count type="integer" nil="true"/> <sync-id>CED0295793</sync-id> <structure-inchikey>FKVSHWDGJOLCOC-UHFFFAOYSA-N</structure-inchikey> <structure-fingerprint>220000000000000000000000000000000000000880000000800200000000000000802200200000000000000000000000000000000000002000820000000020000000000100010000000000000208000000011800000000800000000000000000100000000400000000000000200400200000000002000400080011000000000480000000000000000000000a0200000000000008080000000000020200200040004000000000000080000000000800800002000000000000000000000000000000000000000000000000000000004000000000020201000000000000000000000000010000000000020000400000000000008000000000000200200</structure-fingerprint> 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