5-Isobenzofurancarboxylic acid, 1,3-dihydro-3-hydroxy-1-oxo-

4-羧基氧代苯酞

Also known as: 3-Hydroxy-5-carboxyphthalide, 5-Carboxy-3-hydroxyphthalide, 1-oxo-1,3-dihydro-3-hydroxy-2-benzofuran-5-carboxylic acid, 4-CPT-OH;3-hydroxy-1-oxo-1,3-dihydroisobenzofuran-5-carboxylic acid, 3-Hydroxy-1-oxo-1,3-dihydroisobenzofuran-5-carboxylic acid, 3-Hydroxy-1-oxo-1,3-dihydro-2-benzofuran-5-carboxylic acid, 5-Carboxy-3-hydroxyisobenzofuran-1(3H)-one

5-Isobenzofurancarboxylic acid, 1,3-dihydro-3-hydroxy-1-oxo- (CAS 1378846-01-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H6O5 and a molecular weight of 194.14 g/mol. It is also known as 3-Hydroxy-5-carboxyphthalide, 5-Carboxy-3-hydroxyphthalide and 1-oxo-1,3-dihydro-3-hydroxy-2-benzofuran-5-carboxylic acid. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1378846-01-5

Jingsj CID

J-1967949-5

Molecular Formula

C₉H₆O₅

Chinese Name

4-羧基氧代苯酞

Molecular Weight

194.14 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026