Description

Benzo[B]Thiophene-4-Carbonyl Chloride, 4,5,6,7-Tetrahydro-4-Methyl- (9Ci) is a high-value, reactive chemical intermediate essential for advanced organic synthesis. Its core value lies in its role as a versatile building block for constructing complex heterocyclic frameworks, enabling the development of novel compounds with targeted properties. This product is critically needed by research and development teams in the pharmaceutical and agrochemical industries, particularly for the synthesis of potential active ingredients and specialty fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting the central nervous system or possessing anti-inflammatory properties.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging its unique heterocyclic structure.
• Material Science Research: Serves as a building block for creating advanced organic materials, such as ligands for catalysts or components in organic electronics.
• Chemical Biology Probes: Employed in the design and synthesis of molecular probes for studying biological pathways and enzyme functions.
• Custom Synthesis & Contract Manufacturing: A critical raw material for CDMOs (Contract Development and Manufacturing Organizations) specializing in complex, multi-step synthetic routes.

Basic Information

Item	Detail
Product Name	Benzo[B]Thiophene-4-Carbonyl Chloride, 4,5,6,7-Tetrahydro-4-Methyl- (9Ci)
CAS No.	106051-05-2
Molecular Formula	C11H13ClOS
Molecular Weight	228.74 g/mol
Synonyms	4,5,6,7-Tetrahydro-4-methylbenzo[b]thiophene-4-carbonyl chloride; 4-Methyl-4,5,6,7-tetrahydro-1-benzothiophene-4-carbonyl chloride; 4-Methyl-4,5,6,7-tetrahydrobenzo[b]thiophene-4-carbonyl chloride; 4,5,6,7-Tetrahydro-4-methyl-1-benzothiophene-4-carbonyl chloride; 4-Methyl-4,5,6,7-tetrahydrobenzo[b]thien-4-carbonyl chloride; Tetrahydro-4-methylbenzo[b]thiophene-4-carbonyl chloride; 106051-05-2 (CAS)
EINECS	Contact for details

Quality Control

Every batch of our Benzo[B]Thiophene-4-Carbonyl Chloride is produced and tested under a strict quality management system. We ensure high purity and consistency through advanced analytical techniques, including HPLC, GC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee it meets your specific research or production requirements.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
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.