2H-1-Benzopyran-2-one, 3,3'-methylenebis-   Product ID: AC-1840512 Product Name: 2H-1-Benzopyran-2-one, 3,3'-methylenebis- CAS: 4139-69-9 Molecular Formula: C19H12O4 MW: 304.29618 Appearance: Assay: Hazard Symbols: N/A Request For Quotation Email:sales@abichem.com

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