2-(1-oxoisoindolin-2-yl)benzoic acid

Also known as: 2-(1-oxoisoindolin-2-yl)benzoic acid, 2-(1-Oxo-2,3-dihydro-1H-isoindol-2-yl)benzoic acid, 2-(1-oxo-1,3-dihydro-2H-isoindol-2-yl)benzenecarboxylic acid, 2-(1-oxo-1,3-dihydro-isoindol-2-yl)-benzoic acid, 2-(1-oxo-1H-2,3-dihydroisoindol-2-yl)benzoic acid, 2-(o-Carboxy-phenyl)-phthalimidin, Benzoic acid, 2-(1,3-dihydro-1-oxo-2H-isoindol-2-yl)-

2-(1-oxoisoindolin-2-yl)benzoic acid (CAS 4770-69-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C15H11NO3 and a molecular weight of 253.25300 g/mol. Key properties include a melting point of 240-243ºC, a boiling point of 483.1ºC at 760 mmHg, a density of 1.385g/cm3 and a flash point of 246ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4770-69-8
Jingsj CID: J-1333096-6
Molecular Formula: C₁₅H₁₁NO₃
Molecular Weight: 253.25300 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	240-243ºC
Boiling Point	483.1ºC at 760 mmHg
Density	1.385g/cm3
Flash Point	246ºC
Exact Mass	253.07400
PSA	57.61000
LogP	2.61020
Refractive Index	1.677

Customs & Trade Information

HS Code	2918300090
Summary	2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-(1-oxoisoindolin-2-yl)benzoic acid?

The CAS number of 2-(1-oxoisoindolin-2-yl)benzoic acid is 4770-69-8.

What are the molecular formula and molecular weight of 2-(1-oxoisoindolin-2-yl)benzoic acid?

2-(1-oxoisoindolin-2-yl)benzoic acid has molecular formula C15H11NO3 and molecular weight 253.25300 g/mol.

What are the upstream and downstream products of 2-(1-oxoisoindolin-2-yl)benzoic acid?

For 2-(1-oxoisoindolin-2-yl)benzoic acid, Upstream Products: o-Phthalaldehyde.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "2-(1-oxoisoindolin-2-yl)benzoic acid (CAS 4770-69-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1333096-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.