Description

2-Thiopheneacetyl Chloride, α-Oxo-5-Propyl- (9Ci) is a specialized organosulfur building block featuring a reactive acid chloride functional group. This compound is of significant value in synthetic organic chemistry for the efficient introduction of the 5-propyl-2-thienyl moiety into target molecules. It is primarily sought after by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and advanced intermediates.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting various therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and fungicides, leveraging the thiophene ring's bioactivity.
• Material Science Research: Serves as a precursor for functionalized monomers or ligands in the development of advanced polymers, conductive materials, or metal-organic frameworks (MOFs).
• Chemical Biology Probes: Employed in the creation of molecular probes and tags for studying biological systems and enzyme mechanisms.
• Fine Chemical Production: Acts as a versatile reagent for the custom synthesis of complex, high-value specialty chemicals for diverse industrial applications.

Basic Information

Product Name	2-Thiopheneacetyl Chloride, α-Oxo-5-Propyl- (9Ci)
CAS No.	100750-82-1
Molecular Formula	C9H9ClO2S
Molecular Weight	216.68 g/mol
Synonyms	5-Propyl-2-thiopheneglyoxylic acid chloride; 2-(5-Propyl-2-thienyl)-2-oxoacetyl chloride; 5-Propyl-2-thienylglyoxyloyl chloride; α-Oxo-5-propyl-2-thiopheneacetyl chloride; 5-Propylthiophene-2-glyoxylic acid chloride; 2-Thiopheneacetyl chloride, α-oxo-5-propyl-; (5-Propyl-2-thienyl)(oxo)acetyl chloride
EINECS	Contact for details

Quality Control

Every batch of 2-Thiopheneacetyl Chloride, α-Oxo-5-Propyl- (9Ci) is manufactured and tested under strict quality management protocols. Our products undergo rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each 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 place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature and reactivity as a strong acid/organic solvent derivative, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from heat, open flames, and incompatible materials such as bases, alcohols, and amines.

Specification

Item	Specification
Appearance	Light yellow to amber liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 0.5%

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