What are the physical and chemical properties of (4S,5S,6R,18R)-5-Hydroxy-3,8,8,15,15,18-hexamethyl-19-oxo-7,9-dioxapentacyclo[11.5.1.0~1,5~.0~6,11~.0~14,16~]nonadeca-2,11-dien-4-yl (2Z)-2-methyl-2-butenoate (CAS: 87980-68-5)?

This compound is a highly structured cyclic ether with a molecular weight of approximately 402.42 g/mol. It is practically insoluble in water but soluble in organic solvents like methanol and acetone. The compound exhibits limited reactivity, primarily in its characteristic ring-opening reactions. It crystallizes in a specific form that is stable under standard laboratory conditions.