Description

2-Thiophenecarbonylchloride,5-Chloro-4-Methyl-(9Ci) is a specialized heterocyclic acid chloride derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its high reactivity, enabling the efficient introduction of the substituted thiophene moiety into complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, where it is used to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules containing a functionalized thiophene core.
• Agrochemical Synthesis: Used in the development of new herbicides, fungicides, and insecticides that leverage the thiophene ring for bioactivity.
• Material Science Research: Building block for creating novel organic electronic materials, such as conductive polymers and semiconductors.
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for metal catalysis and organocatalysts.
• Custom Synthesis and Contract Manufacturing: A vital reagent for fine chemical and custom synthesis houses serving diverse R&D projects.
• Academic and Industrial R&D: Fundamental reagent for exploring new chemical reactions and synthesizing complex heterocyclic compounds in research laboratories.

Basic Information

Product Name	2-Thiophenecarbonylchloride,5-Chloro-4-Methyl-(9Ci)
CAS No.	91505-29-2
Molecular Formula	C7H4Cl2OS
Molecular Weight	207.08 g/mol
Synonyms	5-Chloro-4-methyl-2-thiophenecarbonyl chloride; 5-Chloro-4-methylthiophene-2-carbonyl chloride; 2-Thenoyl chloride, 5-chloro-4-methyl-; 5-Chloro-4-methyl-2-thenoyl chloride; 5-Chloro-4-methylthiophene-2-carboxylic acid chloride; 91505-29-2; (5-Chloro-4-methylthiophen-2-yl)carbonyl chloride
EINECS	Contact for details

Quality Control

Our 2-Thiophenecarbonylchloride,5-Chloro-4-Methyl-(9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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