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3-oxo-1,3-dihydroisobenzofuran-1-ylphosphonic acid

December 17, 2025

Basic information:

Product name 3-oxo-1,3-dihydroisobenzofuran-1-ylphosphonic acid
Synonym 3-oxo-1,3-dihydroisobenzofuran-1-ylphosphonicacid;(3-Oxo-1,3-dihydroisobenzofuran-1-yl)phosphonicaciddimethylester;Dimethyl(3-oxo-1,3-dihydroisobenzofuran-1-yl)phosphonate;Phosphonicacid,(1,3-dihydro-3-oxo-1-isobenzofuranyl)-,diMethylChemicalbookester;Dimethyl(1,3-dihydro-3-oxo-1-isobenzofuranyl)phosphonate;Phosphonicacid,P-(1,3-dihydro-3-oxo-1-isobenzofuranyl)-,dimethylester;dimethyl1,3-dihydro-3-oxoisobenzofuran-1-yl-1-phosphonate;3-dimethoxyphosphoryl-3H-2-benzofuran-1-one
CAS No. 61260-15-9
MF C10H11O5P
MW 242.17
Appearance White solid
Related categories Pharmaceutical intermediates.
Storage Protect from the light and store in a dry place.
Packaging 1kg/bag, 5kg/bag, 25kg/drum, can be also subpacked as customer’s request.
Product Manager Cara Lee
Email: Cara@coreychem.com

Appearance: White powder

Application:

3-oxo-1,3-dihydroisobenzofuran-1-ylphosphonic acid is a white solid powder at room temperature and normal pressure. It has poor chemical stability.
It can undergo condensation reactions with aldehyde substances under alkaline conditions to obtain corresponding olefin derivatives.
This substance is mainly used as a pharmaceutical chemical intermediate. It is the key synthetic raw material for the drug olaparib.

 

🌡Storage:
room temperature, keep away from the light.

Any interest, please contact product manager:Cara@coreychem

 

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