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5675-70-7 16,18-dioxapentacyclo[6.6.5.0~2,7~.0~9,14~.0~15,19~]nonadeca-2,4,6,9,11,13-hexaen-17-one (

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Product Name 16,18-dioxapentacyclo[6.6.5.0~2,7~.0~9,14~.0~15,19~]nonadeca-2,4,6,9,11,13-hexaen-17-one (non-preferred name)
CAS No. 5675-70-7
InChI InChI=1/C17H12O3/c18-17-19-15-13-9-5-1-2-6-10(9)14(16(15)20-17)12-8-4-3-7-11(12)13/h1-8,13-16H
Molecular Formula C17H12O3
Molecular Weight 264.2754
Density 1.352g/cm3
Boiling point 491.9°C at 760 mmHg
Flash point 203.2°C
Refractive index 1.654