Description

Pentanethioic Acid, S-2-Pyridinyl Ester (9Ci) is a specialized organosulfur compound that serves as a valuable synthetic intermediate and building block in advanced chemical synthesis. Its unique structure, featuring a thioester linkage to a pyridine moiety, makes it a critical reagent for constructing complex molecules in pharmaceutical and agrochemical research. This compound is primarily utilized by R&D chemists and process development scientists in the fine chemical and life sciences industries for applications requiring precise molecular assembly.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing heterocyclic and sulfur-based pharmacophores.
• Agrochemical Research: Used in the development of novel pesticides, herbicides, and fungicides where the pyridinyl-thioester group imparts specific biological activity.
• Ligand Synthesis: Serves as a precursor for creating specialized ligands used in catalysis and metal-organic frameworks (MOFs).
• Peptide Mimetics & Conjugation: Employed in the preparation of peptide analogs and for bioconjugation strategies in medicinal chemistry.
• Material Science: Potential monomer or modifier in the synthesis of functional polymers with specific electronic or surface properties.
• Chemical Biology Probes: Useful for synthesizing activity-based probes to study enzyme function and mechanism.

Basic Information

Product Name	Pentanethioic Acid, S-2-Pyridinyl Ester (9Ci)
CAS No.	81357-55-3
Molecular Formula	C10H13NOS
Molecular Weight	195.28 g/mol
Synonyms	S-(Pyridin-2-yl) pentanethioate; 2-Pyridyl pentanethioate; Pentanethioic acid S-pyridin-2-yl ester; Pentanethioic acid, S-(2-pyridinyl) ester; 2-Pyridinethiol pentanoate; Valerothioic acid S-2-pyridinyl ester; 2-Pyridyl thiovalerate
EINECS	Contact for details

Quality Control

Our Pentanethioic Acid, S-2-Pyridinyl Ester (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide full traceability and a Certificate of Analysis (COA) with every shipment, detailing all critical quality attributes. Our quality system supports compliance with cGMP and ISO standards for research and development applications.

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. Due to its light-sensitive nature, the container should be opaque or stored in darkness. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.