Description

Cyclopentanesulfonic Acid, 2-Amino-, (1R,2R)-Rel- (9Ci) is a chiral, non-natural amino acid derivative featuring a cyclopentane ring fused with a sulfonic acid group. This compound serves as a valuable high-purity chiral building block and intermediate in advanced organic synthesis, where its defined stereochemistry and functional groups are critical. It is primarily utilized by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs), asymmetric catalysts, and specialized ligands.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel therapeutic agents, particularly in constructing complex molecular architectures.
• Asymmetric Catalyst & Ligand Synthesis: Used in the preparation of chiral ligands for metal-catalyzed asymmetric reactions, enhancing enantioselectivity.
• Peptidomimetics Research: Incorporated into peptide analogs to study structure-activity relationships and improve metabolic stability.
• Chemical Biology Probes: Serves as a building block for creating molecular probes to study enzyme mechanisms and biological pathways.
• Advanced Material Science: Potential monomer or additive in the synthesis of specialized polymers with unique ionic or chiral properties.

Basic Information

Product Name	Cyclopentanesulfonic Acid, 2-Amino-, (1R,2R)-Rel- (9Ci)
CAS No.	110578-84-2
Molecular Formula	C5H11NO3S
Molecular Weight	165.21 g/mol
Synonyms	(1R,2R)-2-Aminocyclopentane-1-sulfonic Acid; rel-(1R,2R)-2-Aminocyclopentanesulfonic Acid; (1R,2R)-2-Aminocyclopentylsulfonic Acid; 2-Amino-1-cyclopentanesulfonic Acid, (1R,2R)-rel-; ACPSA; Amino Cyclopentane Sulfonic Acid Isomer
EINECS	Contact for details

Quality Control

We maintain a strict quality management system to ensure batch-to-batch consistency and high purity for research and development applications. Our products undergo rigorous analytical testing, including chiral HPLC, NMR, and mass spectrometry, to confirm identity, enantiomeric excess, and purity. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment.

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). This material is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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