Description

2-(Chloro-2-Thienylmethylene)Butyraldehyde is a specialized organic intermediate featuring a reactive aldehyde group and a chlorinated thiophene moiety. This compound matters as a versatile building block for synthesizing complex molecules, particularly in the development of active pharmaceutical ingredients (APIs) and advanced agrochemicals. It is needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for constructing novel heterocyclic frameworks.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-infective properties.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where the thiophene ring contributes to biological activity.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialty polymers and organic electronic materials.
• Fine Chemical Production: Employed in custom synthesis and contract manufacturing for creating complex, high-value specialty chemicals.
• Academic & Industrial R&D: A valuable reagent for methodological development in organic synthesis and heterocyclic chemistry.

Basic Information

Product Name	2-(Chloro-2-Thienylmethylene)Butyraldehyde
CAS No.	84100-56-1
Molecular Formula	C9H9ClOS
Molecular Weight	200.68 g/mol
Synonyms	2-[(2-Chlorothiophen-3-yl)methylene]butanal; Butanal, 2-[(2-chloro-3-thienyl)methylene]-; 2-(2-Chloro-3-thienylmethylene)butyraldehyde; 2-(Chloro-2-thienylmethylidene)butanal; (2-Chlorothiophen-3-ylmethylene)butyraldehyde
EINECS	Contact for details

Quality Control

Our 2-(Chloro-2-Thienylmethylene)Butyraldehyde is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and structural confirmation, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available upon request to support your quality and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents and bases. For long-term storage, consider under an inert atmosphere.

Specification

Item	Specification
Appearance	Yellow to brown liquid or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content	≤ 0.5%

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