Description

2-Thiophenecarbonylchloride,3-Chloro-5-Methyl-(9Ci) is a specialized heterocyclic building block and key synthetic intermediate. This compound matters for its role in constructing complex molecular architectures, particularly in the development of active pharmaceutical ingredients (APIs) and advanced agrochemicals. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for creating novel thiophene-based derivatives.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in medicinal chemistry research targeting various therapeutic areas.
• Agrochemical Synthesis: Used in the development and production of advanced pesticides, herbicides, and fungicides that incorporate the thiophene moiety for enhanced activity.
• Material Science Research: Serves as a precursor for creating functionalized polymers, organic semiconductors, and other advanced materials with specific electronic properties.
• Chemical Research & Development: A versatile reagent for organic synthesis, enabling the introduction of the 3-chloro-5-methylthiophene-2-carbonyl group into target molecules.
• Ligand and Catalyst Preparation: Used in the synthesis of specialized ligands for metal complexes and catalysts used in asymmetric synthesis.

Basic Information

Product Name	2-Thiophenecarbonylchloride,3-Chloro-5-Methyl-(9Ci)
CAS No.	229343-00-4
Molecular Formula	C6H4Cl2OS
Molecular Weight	195.07 g/mol
Synonyms	3-Chloro-5-methylthiophene-2-carbonyl chloride; 3-Chloro-5-methyl-2-thiophenecarbonyl chloride; 2-Thiophenecarbonyl chloride, 3-chloro-5-methyl-; 3-Chloro-5-methylthiophene-2-carboxylic acid chloride; 3-Chloro-5-methyl-2-thienoyl chloride; 3-Chloro-5-methylthiophene-2-carboxyl chloride; 3-Chloro-5-methyl-2-thiophenecarboxylic acid chloride
EINECS	Contact for details

Quality Control

Our 2-Thiophenecarbonylchloride,3-Chloro-5-Methyl-(9Ci) is produced under strict quality management protocols. The product undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency suitable for research and scale-up applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature and reactivity as an acid chloride, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition from moisture. 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.