Skip to main content

1,3-Dioxo-2-isoindolineethanesulfonic acid

Also known as: N,N-Phthaloyl-taurine, NSC 403686, 2-(1,3-Dioxoisoindolin-2-yl)ethanesulfonic acid, 2-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)ethanesulfonic acid

1,3-Dioxo-2-isoindolineethanesulfonic acid (CAS 4443-24-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H9NO5S and a molecular weight of 255.24700 g/mol. Key property: a density of 1.608g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4443-24-7
Jingsj CID
J-1356571-4
Molecular Formula
C10H9NO5S
Molecular Weight
255.24700 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Density1.608g/cm3
Exact Mass255.02000
PSA100.13000
LogP1.18910
Refractive Index1.647

Frequently Asked Questions

What is the CAS number of 1,3-Dioxo-2-isoindolineethanesulfonic acid?

The CAS number of 1,3-Dioxo-2-isoindolineethanesulfonic acid is 4443-24-7.

What are the molecular formula and molecular weight of 1,3-Dioxo-2-isoindolineethanesulfonic acid?

1,3-Dioxo-2-isoindolineethanesulfonic acid has molecular formula C10H9NO5S and molecular weight 255.24700 g/mol.

What are the upstream and downstream products of 1,3-Dioxo-2-isoindolineethanesulfonic acid?

For 1,3-Dioxo-2-isoindolineethanesulfonic acid, Upstream Products: Phthalic anhydride, Taurine, N-(2-Bromoethyl)phthalimide; Downstream Products: 2-Phthalimidoethanesulfonyl chloride, 2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)ethanesulfonamide.

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

Last updated:

How to cite: Jingsj. "1,3-Dioxo-2-isoindolineethanesulfonic acid (CAS 4443-24-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356571-4 (accessed 2026-11-09).

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