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52156-73-7 5,5-dimethyl-11-oxo-5h,11h-benzo[c]pyrano[3,2-g]chromene-9-carboxylic acid

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Product Name 5,5-dimethyl-11-oxo-5H,11H-benzo[c]pyrano[3,2-g]chromene-9-carboxylic acid
CAS No. 52156-73-7
InChI InChI=1/C19H14O5/c1-19(2)13-6-4-3-5-10(13)11-7-12-14(20)8-17(18(21)22)23-15(12)9-16(11)24-19/h3-9H,1-2H3,(H,21,22)
Molecular Formula C19H14O5
Molecular Weight 322.3115
Density 1.38g/cm3
Boiling point 524.7°C at 760 mmHg
Flash point 194°C
Refractive index 1.642