Description

3-Pyrrolesulfonic Acid, 1-Acetyl- (5Ci) is a specialized pyrrole derivative that serves as a valuable sulfonated building block in advanced organic synthesis. Its core value proposition lies in its unique molecular architecture, combining a reactive pyrrole core with both acetyl and sulfonic acid functional groups, enabling precise chemical modifications. This compound is essential for researchers and process chemists in the pharmaceutical and agrochemical industries, particularly for developing novel active ingredients and functional materials where specific sulfonation patterns are required. The CAS number for this compound is provided in the table below.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel drug candidates, especially those targeting central nervous system (CNS) disorders or requiring specific solubility profiles.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the sulfonic acid group can enhance systemic activity or environmental compatibility.
• Functional Dye & Pigment Precursor: Serves as a building block for creating specialized dyes, pigments, and optical brighteners with tailored properties for high-tech applications.
• Polymer & Material Science: Incorporated into monomers or additives to impart sulfonic acid functionality, improving hydrophilicity, ion-exchange capacity, or adhesion properties in polymers.
• Ligand & Catalyst Development: Utilized in the synthesis of complex ligands for catalysis or metal-organic frameworks (MOFs), leveraging its chelating potential.
• Chemical Research & Development: A versatile reagent for academic and industrial R&D focused on heterocyclic chemistry, medicinal chemistry, and process optimization.

Basic Information

Product Name	3-Pyrrolesulfonic Acid, 1-Acetyl- (5Ci)
CAS No.	857422-43-6
Molecular Formula	C6H7NO4S
Molecular Weight	189.19 g/mol
Synonyms	1-Acetyl-1H-pyrrole-3-sulfonic acid; 1-Acetylpyrrole-3-sulfonic Acid; 3-Sulfo-1-acetylpyrrole; 1H-Pyrrole-3-sulfonic acid, 1-acetyl-; 1-Acetyl-3-pyrrolesulfonic Acid; 1-Acetyl-1H-pyrrole-3-sulphonic acid; 3-(Acetylamino)-1H-pyrrole-1-sulfonic acid (tautomer)
EINECS	Contact for details

Quality Control

Every batch of 3-Pyrrolesulfonic Acid, 1-Acetyl- (5Ci) is manufactured and tested under a strict quality management system. Our products undergo rigorous quality testing to ensure compliance with industry standards and customer-specific requirements. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request. We support development projects with custom purity grades and analytical method development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent decomposition. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 5.0%

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