... own factory. CAS Number:56-25-7Name:4,7-Epoxyisobenzofuran-1,3-dione,hexahydro-3a,7a-dimethyl-, ... ,4S,7R,7aS)-rel- Molecular Structure: Synonyms:4,7-Epoxyisobenzofuran-1,3-dione,hexahydro-3a,7a-dimethyl-, ... camphor;Cantharidine; Cantharone; Hexahydro-3a,7a-dimethyl-4,7-epoxyisobenzofuran-1,3-dione;Kantaridin; NSC 61805; exo ... 215-217 ?C Boiling Point:326.9°Cat760mmHg Flash Point:146.1°C Risk Codes:R28;R36 ...