Description

3A(4H)-Benzofurancarbonyl Chloride, 2,3,5,7A-Tetrahydro-6-Methyl-2-Oxo-, cis- (9Ci) is a specialized heterocyclic building block featuring a fused benzofuran core with a reactive acid chloride functional group. This compound is of significant value in advanced organic synthesis, enabling the efficient introduction of its unique scaffold into target molecules. It is primarily sought after by research and development chemists in the pharmaceutical and agrochemical industries for the creation of novel active ingredients and complex intermediates.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing complex heterocyclic pharmacophores.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides, leveraging its unique benzofuran structure for bioactivity.
• Material Science Precursor: Serves as a monomer or cross-linking agent in the research of specialty polymers with tailored optical or electronic properties.
• Chemical Biology Probe Synthesis: Employed to create molecular probes for studying enzyme function or biological pathways due to its reactive acyl chloride group.
• Academic & Contract Research: Utilized in university and CRO laboratories for methodological development and the exploration of new chemical spaces in synthetic organic chemistry.

Basic Information

Product Name	3A(4H)-Benzofurancarbonyl Chloride, 2,3,5,7A-Tetrahydro-6-Methyl-2-Oxo-, cis- (9Ci)
CAS No.	67927-62-2
Molecular Formula	C10H9ClO3
Molecular Weight	212.63 g/mol
Synonyms	cis-2,3,5,7a-Tetrahydro-6-methyl-2-oxo-3a(4H)-benzofurancarbonyl chloride; 3a,4,5,7a-Tetrahydro-6-methyl-2-oxobenzofuran-3-carbonyl chloride; 2-Oxo-3a,4,5,7a-tetrahydro-6-methylbenzofuran-3-carbonyl chloride; 6-Methyl-2-oxo-2,3,3a,4,5,7a-hexahydrobenzofuran-3-carbonyl chloride; (3aS,7aR)-6-Methyl-2-oxo-2,3,3a,4,5,7a-hexahydro-1-benzofuran-3-carbonyl chloride (stereospecific); Benzofurancarbonyl chloride derivative
EINECS	Contact for details

Quality Control

Our production of 3A(4H)-Benzofurancarbonyl Chloride adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity, critical for sensitive synthetic applications. Each lot is fully characterized using advanced analytical techniques including NMR, HPLC, and IR spectroscopy. 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, and well-ventilated area at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to prevent decomposition. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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