Description

Benzenesulfonamide, n-2-Cyclopenten-1-Yl-4-Methyl- (9Ci) is a specialized organic sulfonamide derivative, identified by CAS number 197145-73-6, valued for its unique structural motif combining a cyclopentenyl ring with a methylated benzenesulfonamide core. This compound is a critical high-purity intermediate in advanced organic synthesis, particularly for constructing complex molecules in pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for developing new active ingredients and functional materials.

Application

This benzenesulfonamide derivative serves as a versatile building block in several high-value synthetic pathways.

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting enzyme inhibition or requiring specific sulfonamide pharmacophores.
• Agrochemical Research: Used in developing new herbicides, fungicides, or plant growth regulators where the sulfonamide group is essential for bioactivity.
• Fine Chemical Synthesis: Building block for creating specialized ligands, catalysts, or functional monomers used in material science.
• Academic & Industrial R&D: Employed in methodological studies and discovery chemistry for exploring new chemical reactions and properties.

Basic Information

Product Name	Benzenesulfonamide, n-2-Cyclopenten-1-Yl-4-Methyl- (9Ci)
CAS No.	197145-73-6
Molecular Formula	C12H15NO2S
Molecular Weight	237.32 g/mol
Synonyms	N-(2-Cyclopenten-1-yl)-4-methylbenzenesulfonamide; 4-Methyl-N-(2-cyclopenten-1-yl)benzenesulfonamide; p-Toluenesulfonamide, N-2-cyclopentenyl-; 2-Cyclopenten-1-yl-(4-methylphenyl)sulfonylamine; N-(Cyclopent-2-en-1-yl)-4-methylbenzenesulfonamide; Tosylcyclopentenylamine derivative
EINECS	Contact for details

Quality Control

Our Benzenesulfonamide, n-2-Cyclopenten-1-Yl-4-Methyl- (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure high chemical purity and identity confirmation, meeting the stringent requirements of research and development applications. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be opaque or stored in dark conditions.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (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.