Description

Benzenesulfonamide, n-Cyclopentylidene-4-Methyl- (9Ci) is a specialized organic intermediate featuring a sulfonamide functional group integrated with a cyclopentylidene moiety. This compound matters for its role as a key building block in the synthesis of more complex molecules, particularly in pharmaceutical and advanced material research. It is needed by R&D chemists and process development scientists in the fine chemical, agrochemical, and pharmaceutical industries seeking to develop new active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or requiring specific sulfonamide-based pharmacophores.
• Agrochemical Research: Used in developing new herbicides, fungicides, or insecticides where the sulfonamide group can contribute to biological activity and metabolic stability.
• Material Science: Acts as a monomer or additive in the production of specialized polymers, resins, or coatings to impart specific chemical resistance or physical properties.
• Chemical Synthesis: Employed as a versatile building block for creating complex organic structures in academic and industrial research laboratories.
• Ligand & Catalyst Development: Utilized in the design of novel ligands for metal catalysis or organocatalysts due to its potential chelating or activating properties.

Basic Information

Product Name	Benzenesulfonamide, n-Cyclopentylidene-4-Methyl- (9Ci)
CAS No.	118616-82-3
Molecular Formula	C12H15NO2S
Molecular Weight	237.32 g/mol
Synonyms	4-Methyl-N-(cyclopentylidene)benzenesulfonamide; N-(Cyclopentylidene)-4-methylbenzenesulfonamide; p-Toluenesulfonamide, N-cyclopentylidene-; 4-Methylbenzenesulfonamide, N-cyclopentylidene-; Benzenesulfonamide, 4-methyl-N-(cyclopentylidene)-; N-Cyclopentylidene-p-toluenesulfonamide
EINECS	Contact for details

Quality Control

Our Benzenesulfonamide, n-Cyclopentylidene-4-Methyl- (9Ci) is produced under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance protocols.

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). Keep away from strong oxidizing agents and strong bases. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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