Description

4-(3-Oxobutanamido)Benzenesulfonic Acid is a specialized organic sulfonic acid derivative that serves as a key intermediate in advanced chemical synthesis. This compound is valued for its reactive amido and sulfonic acid functional groups, enabling precise molecular construction. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical and fine chemical sectors for developing active ingredients and high-value specialty chemicals.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring a benzenesulfonic acid moiety.
• Fine Chemical Synthesis: Used in the production of dyes, pigments, and other complex organic molecules where its specific functional groups direct chemical reactions.
• Bioconjugation & Linker Chemistry: Employed in research for creating peptide conjugates or antibody-drug conjugates (ADCs) due to its reactive ketone group.
• Catalyst & Ligand Preparation: Serves as a precursor for synthesizing specialized ligands or organocatalysts used in asymmetric synthesis.
• Material Science Research: Investigated for incorporation into polymers or coatings to impart specific ionic or solubility properties.

Basic Information

Product Name	4-(3-Oxobutanamido)Benzenesulfonic Acid
CAS No.	6199-95-7
Molecular Formula	C₁₀H₁₁NO₅S
Molecular Weight	257.26 g/mol
Synonyms	4-(3-Oxobutyrylamino)benzenesulfonic Acid; 4-Acetoacetamidobenzenesulfonic Acid; p-Acetoacetamidobenzenesulfonic Acid; Acetoacet-p-aminobenzenesulfonic Acid; 4-(Acetoacetamido)benzenesulfonic Acid; AA-p-ABSA; 6199-95-7; 4-(3-Oxobutanoylamino)benzenesulfonic acid
EINECS	Contact for details

Quality Control

Every batch of 4-(3-Oxobutanamido)Benzenesulfonic Acid is manufactured and tested under a strict quality management system. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.