Description

5-Chloro-2-Thiophenecarboxylic Acid Hydrazide is a versatile heterocyclic building block and key synthetic intermediate. This compound is valued for its reactive hydrazide functional group, which enables its use in the synthesis of various pharmacologically active heterocycles. It is primarily sought by research and development chemists in the pharmaceutical, agrochemical, and material science industries for creating novel compounds and active ingredients.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of thiophene-based drug candidates, including potential antimicrobial, anti-inflammatory, and anticancer agents.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides that leverage the thiophene scaffold for enhanced activity.
• Heterocyclic Chemistry: Serves as a fundamental building block for constructing complex fused-ring systems like pyrazoles, triazoles, and other N-containing heterocycles via cyclization reactions.
• Material Science Research: Investigated as a monomer or functional component in the development of specialty polymers and organic electronic materials.
• Chemical Biology & Proteomics: Can be utilized as a linker or reactive handle in bioconjugation strategies and probe development.
• Academic & Industrial R&D: Employed in exploratory chemistry for method development and the discovery of new chemical entities with unique properties.

Basic Information

Product Name	5-Chloro-2-Thiophenecarboxylic Acid Hydrazide
CAS No.	351983-31-8
Molecular Formula	C5H5ClN2OS
Molecular Weight	176.62 g/mol
Synonyms	5-Chloro-2-thiophenecarboxylic hydrazide; 5-Chlorothiophene-2-carboxylic acid hydrazide; 5-Chloro-2-thiophenecarbohydrazide; 5-Chlorothiophene-2-carbohydrazide; 5-Chloro-2-thienylcarboxylic acid hydrazide; 5-Chloro-2-thiophenecarboxylic acid, hydrazide; 5-Chlorothiophene-2-carboxylic hydrazide
EINECS	Contact for details

Quality Control

Our 5-Chloro-2-Thiophenecarboxylic Acid Hydrazide is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality system is designed to meet the stringent requirements of research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent degradation. For long-term storage, consider using an inert atmosphere to minimize oxidation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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