118430 <common-name>11,13-Dihydrohelenalin tiglate (Microhelenin C)</common-name> <description nil="true"/> <cas>63569-07-3</cas> <pubchem-id>5281483</pubchem-id> <chemical-formula>C20H26O5</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">2026-04-06T01:36:05Z</created-at> <updated-at type="dateTime">2026-05-21T00:46:21Z</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>CC=C(/C)C(=O)O[C@H]1[C@H]2[C@@H](C[C@@H](C)[C@@H]3C=CC(=O)[C@@]13C)OC(=O)[C@H]2C</moldb-smiles> <moldb-formula>C20H26O5</moldb-formula> <moldb-inchi>InChI=1S/C20H26O5/c1-6-10(2)18(22)25-17-16-12(4)19(23)24-14(16)9-11(3)13-7-8-15(21)20(13,17)5/h6-8,11-14,16-17H,9H2,1-5H3/b10-6+/t11-,12+,13+,14-,16-,17+,20+/m1/s1</moldb-inchi> <moldb-inchikey>KUPPZVXLWANEJJ-YFVRYKHXSA-N</moldb-inchikey> <moldb-average-mass type="decimal">346.423</moldb-average-mass> <moldb-mono-mass type="decimal">346.1780239</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp nil="true"/> <hmdb-id nil="true"/> <chembl-id nil="true"/> <chemspider-id>4444820</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>CHEM114323</chemdb-id> <dsstox-id>DTXSID101306767</dsstox-id> <toxcast-id nil="true"/> <stoff-ident-origin nil="true"/> <stoff-ident-id nil="true"/> <susdat-id>NS00093994</susdat-id> <iupac>(3aR,4S,4aR,7aR,8R,9aR)-3,4a,8-Trimethyl-2,5-dioxo-2,3,3a,4,4a,5,7a,8,9,9a-decahydroazuleno[6,5-b]furan-4-yl (2E)-2-methylbut-2-enoatato</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>