3,3'-Methylenebis(2H-1-benzopyran-2-one) structure

3,3'-Methylenebis(2H-1-benzopyran-2-one)

3-[(2-oxochromen-3-yl)methyl]chromen-2-one

Also Known As: biscoumarinyl methane|3-[(2-oxochromen-3-yl)methyl]chromen-2-one|6-bromo-4-hydroxy-chromen-2-one|3,3'-Methylenedi(2H-1-benzopyran-2-one)|3,3'-Methylenebis(2H-1-benzopyran-2-one)|3,3'-Methylenebis[2H-1-benzopyran-2-one]

CAS: 4139-69-9
Molecular Formula C19H12O4
Molecular Weight 304.07355 g/mol
LogP 3.8
Topological Polar Surface Area 52.6 Ų
Hydrogen Bond Donors 0
Hydrogen Bond Acceptors 4
Rotatable Bonds 2
Exact Mass 304.07355
Monoisotopic Mass 304.07355
Heavy Atoms 23
Complexity 524.0

Chemical Identifiers

CAS Number 4139-69-9
SMILES C1=CC=C2C(=C1)C=C(C(=O)O2)CC3=CC4=CC=CC=C4OC3=O
InChIKey KTQDOEYBWTZRKE-UHFFFAOYSA-N

Product Overview

3,3'-Methylenebis(2H-1-benzopyran-2-one) (CAS 4139-69-9), with molecular formula C19H12O4 and molecular weight 304.07355 g/mol. IUPAC: 3-[(2-oxochromen-3-yl)methyl]chromen-2-one.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.
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3,3'-Methylenebis(2H-1-benzopyran-2-one) is a custom synthesis product. We offer services from milligram to kilogram scale.

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