Description

5-Propylthiophene-3-Carbonyl Chloride is a high-purity, reactive organic intermediate belonging to the class of thiophene-based acid chlorides. This compound is a critical building block for the synthesis of more complex molecules, enabling the introduction of the 5-propylthiophene-3-carbonyl moiety into target structures. It is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors. Its specific structure makes it valuable for creating novel compounds with potential biological activity or unique electronic properties.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly in medicinal chemistry research.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, leveraging the thiophene scaffold for bioactivity.
• Material Science Research: Serves as a precursor for functionalized polymers, organic semiconductors, and liquid crystals due to the electronic properties of the thiophene ring.
• Chemical Biology: Employed in the synthesis of molecular probes, enzyme inhibitors, and other tools for biochemical research.
• Custom Synthesis & Contract Manufacturing: A vital reagent for fine chemical and custom synthesis houses serving diverse R&D and pilot-scale production needs.

Basic Information

Product Name	5-Propylthiophene-3-Carbonyl Chloride
CAS No.	1160248-84-9
Molecular Formula	C8H9ClOS
Molecular Weight	188.67 g/mol
Synonyms	3-Propylthiophene-5-carbonyl chloride; 5-Propyl-3-thiophenecarbonyl chloride; 3-Thiophenecarbonyl chloride, 5-propyl-; 5-n-Propylthiophene-3-carboxylic acid chloride; 5-Propylthiophene-3-carboxylic acid chloride; 5-Propyl-3-thienoyl chloride
EINECS	Contact for details

Quality Control

Every batch of 5-Propylthiophene-3-Carbonyl Chloride is manufactured and tested under strict quality management protocols to ensure consistency and reliability for your synthetic applications. Our products undergo rigorous quality testing, including chromatographic purity analysis and identity confirmation, to ensure compliance with industry standards. Certificates of Analysis (COA) with detailed specifications are available upon request to support your quality and regulatory documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Due to its hygroscopic (moisture-sensitive) nature and reactivity as an acid chloride, it must be kept under an inert atmosphere (e.g., nitrogen or argon) and away from moisture, strong bases, and oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
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.