CAS 7313-70-4

Isatin-5-sulfonic acid

Description:

Isatin-5-sulfonic acid is an organic compound characterized by its sulfonic acid functional group attached to an isatin structure, which is derived from indole. It typically appears as a crystalline solid and is soluble in water due to the presence of the sulfonic acid group, which enhances its polarity. This compound is known for its role in various chemical reactions, particularly in the synthesis of dyes and pharmaceuticals. Isatin-5-sulfonic acid exhibits properties such as being a weak acid, and it can participate in electrophilic aromatic substitution reactions due to the electron-withdrawing nature of the sulfonic acid group. Additionally, it has been studied for its potential biological activities, including antimicrobial and anticancer properties. Safety data indicates that, like many sulfonic acids, it should be handled with care, as it may cause irritation to skin and eyes. Overall, Isatin-5-sulfonic acid is a versatile compound with applications in organic synthesis and medicinal chemistry.

Formula: C₈H₅NO₅S

InChI: InChI=1/C8H5NO5S/c10-7-5-3-4(15(12,13)14)1-2-6(5)9-8(7)11/h1-3H,(H,9,10,11)(H,12,13,14)

InChI key: InChIKey=UBHYCFBVIXOJJO-UHFFFAOYSA-N

SMILES: O=C1C=2C(NC1=O)=CC=C(S(=O)(=O)O)C2

Synonyms:

• Isatin-5-sulfonic acid
• 1H-Indole-5-sulfonic acid, 2,3-dihydro-2,3-dioxo-
• 2,3-Dihydro-2,3-dioxo-1H-indole-5-sulfonic acid
• 5-Indolinesulfonic acid, 2,3-dioxo-
• 2,3-Dioxo-5-indolinesulfonic acid
• 2,3-dioxo-2,3-dihydro-1H-indole-5-sulfonic acid
• 2,3-Dioxoindoline-5-sulphonic acid

2,3-Dioxoindoline-5-sulfonic acid

CAS: 7313-70-4

Formula: C₈H₅NO₅S

Purity: 90%

Molecular weight: 227.1940

Ref: IN-DA00FFCJ

2,3-Dioxoindoline-5-sulfonic acid

CAS: 7313-70-4

2,3-Dioxoindoline-5-sulfonic acid is a molecule that inhibits peroxidases. It has been shown to inhibit the biological treatment of organic pollutants in a model system and can be used for mineralization. This active form is highly reactive with lysine residues, which may result in the formation of an O-acylhydroxylamine intermediate. 2,3-Dioxoindoline-5-sulfonic acid has a low potency and reacts with chloride ions in the environment. The optimum pH for this compound is 5.

Formula: C₈H₅NO₅S

Purity: Min. 95%

Molecular weight: 227.2 g/mol

Ref: 3D-HAA31370