Description

Benzenesulfonic Acid, 4-[4-[[5-(Dimethylamino)-2-Furanyl]Methylene]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]- is a specialized benzenesulfonic acid derivative featuring a complex heterocyclic substituent, making it a valuable advanced pharmaceutical intermediate and a key building block for organic synthesis. This compound is critical for research and development in medicinal chemistry, particularly in the creation of novel active pharmaceutical ingredients (APIs) and functional dyes. It is primarily needed by pharmaceutical R&D laboratories, fine chemical manufacturers, and academic research institutions focused on developing new therapeutic agents and high-performance materials.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways.
• Organic Synthesis Building Block: Used in complex multi-step syntheses to introduce the benzenesulfonic acid moiety into larger, more complex molecular architectures.
• Research & Development: Essential for medicinal chemistry research in academic and industrial settings for structure-activity relationship (SAR) studies.
• Dye and Pigment Synthesis: Acts as an intermediate in the production of specialized dyes and functional colorants due to its conjugated system.
• Ligand and Catalyst Development: Potential use in designing novel ligands for catalysis or metal-organic frameworks (MOFs).
• Analytical Reference Standard: Used as a high-purity standard for quality control and analytical method development in pharmaceutical analysis.

Basic Information

Item	Detail
Product Name	Benzenesulfonic Acid, 4-[4-[[5-(Dimethylamino)-2-Furanyl]Methylene]-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-1-Yl]-
CAS No.	791037-31-5
Molecular Formula	C17H19N3O4S
Molecular Weight	361.42 g/mol
Synonyms	4-[4-[(5-Dimethylamino-2-furyl)methylene]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulfonic acid; 1-(4-Sulfophenyl)-4-[(5-dimethylamino-2-furyl)methylene]-3-methyl-5-pyrazolone; 4-[4-[(5-Dimethylaminofuran-2-yl)methylene]-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl]benzenesulfonic acid; 791037-31-5; Benzenesulfonic acid derivative (CAS 791037-31-5); DMFP-Benzenesulfonic Acid Intermediate
EINECS	Contact for details

Quality Control

Our production of this high-purity intermediate adheres to stringent quality protocols to ensure batch-to-batch consistency and reliability. Products undergo rigorous analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its nature as a strong acid/organic solvent derivative, keep away from incompatible materials such as strong bases and oxidizing agents. For long-term storage, consider inert atmosphere conditions to maintain optimal stability.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residual Solvents (GC)	Complies with ICH guidelines

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