Description

Benzenesulfonamide, n-(1R)-2-Cyclopenten-1-Yl-4-Methyl- (9Ci) is a specialized chiral benzenesulfonamide derivative, a high-value intermediate in advanced organic synthesis. Its unique cyclopentenyl-substituted structure makes it a critical building block for constructing complex molecules with specific stereochemistry. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, particularly for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of new active pharmaceutical ingredients (APIs), especially for candidates targeting central nervous system (CNS) or inflammatory pathways.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides, where its specific stereochemistry can influence biological activity and environmental selectivity.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized ligands used in asymmetric catalysis and metal-organic frameworks (MOFs).
• Fine Chemical Production: Employed in the multi-step synthesis of complex, high-value specialty chemicals for electronics and material science applications.
• Academic and Industrial R&D: A valuable compound for methodological studies in organic chemistry, including new cyclization and functionalization reactions.

Basic Information

Product Name	Benzenesulfonamide, n-(1R)-2-Cyclopenten-1-Yl-4-Methyl- (9Ci)
CAS No.	612546-36-8
Molecular Formula	C12H15NO2S
Molecular Weight	237.32 g/mol
Synonyms	N-[(1R)-2-Cyclopenten-1-yl]-4-methylbenzenesulfonamide; (R)-N-(2-Cyclopenten-1-yl)-4-methylbenzenesulfonamide; p-Toluenesulfonamide, N-[(1R)-2-cyclopenten-1-yl]-; 4-Methyl-N-[(1R)-2-cyclopenten-1-yl]benzenesulfonamide; (R)-N-(Cyclopent-2-en-1-yl)-4-methylbenzenesulfonamide; Chiral Cyclopentenyl Tosylamide; (1R)-2-Cyclopenten-1-yl 4-methylbenzenesulfonamide
EINECS	Contact for details

Quality Control

We maintain stringent quality control protocols for our chiral intermediates. Production is supported by advanced analytical techniques including HPLC, GC, and NMR to ensure high chemical and chiral purity. A comprehensive Certificate of Analysis (COA) detailing identity, assay, enantiomeric excess, and impurity profiles is provided with each batch to support your regulatory and R&D documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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