Description

Cyclopentanemethanesulfonic Acid, 3-Hydroxy-, trans- (9Ci) is a specialized chiral sulfonic acid derivative with a defined stereochemistry. This compound serves as a valuable high-purity building block and key chiral intermediate in advanced synthetic chemistry. It is primarily needed by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs), agrochemicals, and complex organic molecules where precise stereochemical control is critical.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the asymmetric synthesis of complex drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and pesticides with specific stereochemical activity.
• Catalyst & Ligand Synthesis: Serves as a precursor for creating specialized chiral ligands and organocatalysts used in asymmetric catalysis.
• Fine Chemical Production: Employed in the multi-step synthesis of high-value specialty chemicals and flavors & fragrances.
• Academic & R&D: A valuable reagent for methodological research in organic synthesis and stereochemistry at universities and corporate R&D labs.
• Material Science: Potential monomer or additive for creating polymers with specific functional or chiral properties.

Basic Information

Product Name	Cyclopentanemethanesulfonic Acid, 3-Hydroxy-, trans- (9Ci)
CAS No.	64646-23-7
Molecular Formula	C7H14O4S
Molecular Weight	194.25 g/mol
Synonyms	trans-3-Hydroxycyclopentanemethanesulfonic Acid; (1R,3S)-3-Hydroxycyclopentylmethanesulfonic Acid; (1S,3R)-3-Hydroxycyclopentylmethanesulfonic Acid; 3-Hydroxycyclopentylmethanesulfonic Acid (trans-); Cyclopentylmethanesulfonic acid, 3-hydroxy-, trans-; trans-3-Hydroxycyclopentanesulfonic acid methylene ester (related); Chiral Cyclopentyl Sulfonic Acid Derivative
EINECS	Contact for details

Quality Control

Our Cyclopentanemethanesulfonic Acid, 3-Hydroxy-, trans- (9Ci) is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC, to ensure it meets the exacting standards required for pharmaceutical and advanced synthetic applications. Certificates of Analysis (COA) with detailed chromatographic data are provided to guarantee batch-to-batch consistency and traceability.

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, keep away from incompatible materials such as strong bases and oxidizing agents. For long-term storage, consider inert atmosphere conditions to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee (trans- isomer)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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