Description

Cyclopentanecarbothioic Acid, 1-Hydroxy-, S-Methyl Ester (9Ci) is a specialized organosulfur compound featuring a cyclopentane ring functionalized with both a thiocarboxylate and a hydroxyl group. This unique molecular architecture makes it a valuable synthetic intermediate and building block in advanced organic synthesis. It is primarily sought by research and development teams in the pharmaceutical and agrochemical industries for constructing complex molecules, particularly in the development of novel active ingredients and chiral catalysts.

Application

• Pharmaceutical Intermediate: Serves as a key chiral building block in the synthesis of complex drug candidates, particularly those requiring cyclopentane-based scaffolds.
• Agrochemical Research: Used in the development of new pesticides and herbicides, where its sulfur-containing functional group can contribute to biological activity.
• Ligand Synthesis: Acts as a precursor for the preparation of specialized ligands used in asymmetric catalysis and metal-organic chemistry.
• Fine Chemical Production: Employed in the multi-step synthesis of high-value specialty chemicals and flavors & fragrances.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic synthesis and for exploring new reaction pathways.

Basic Information

Product Name	Cyclopentanecarbothioic Acid, 1-Hydroxy-, S-Methyl Ester (9Ci)
CAS No.	88525-12-6
Molecular Formula	C7H12O2S
Molecular Weight	160.24 g/mol
Synonyms	1-Hydroxycyclopentanecarbothioic Acid S-Methyl Ester; S-Methyl 1-Hydroxycyclopentanecarbothioate; 1-Hydroxycyclopentanecarbothioic Acid Methyl Ester; Methyl 1-Hydroxycyclopentanecarbothioate; Cyclopentanecarbothioic acid, 1-hydroxy-, methyl ester; (1-Hydroxycyclopentyl)(methylsulfanyl)methanone
EINECS	Contact for details

Quality Control

Our production of Cyclopentanecarbothioic Acid, 1-Hydroxy-, S-Methyl Ester adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability for your synthetic processes. Each lot is characterized using advanced analytical techniques including NMR, HPLC, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This compound is moisture-sensitive (hygroscopic); keep the container tightly sealed under an inert atmosphere such as nitrogen or argon to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Typical 97-99%)
Water Content (KF)	≤ 0.5%

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