Description

5-Methyl-4,5,6,7-tetrahydro-benzo[b]thiophene-2-carbonyl chloride is a high-purity, reactive chemical intermediate essential for advanced organic synthesis. This compound matters because it serves as a critical building block for constructing complex heterocyclic molecules, enabling the development of novel active ingredients. It is primarily needed by research and development teams in the pharmaceutical and agrochemical industries for creating new drug candidates and crop protection agents.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel therapeutic agents, particularly in central nervous system (CNS) and anti-inflammatory research.
• Agrochemical Synthesis: Used in the development of new-generation pesticides and herbicides with specific biological activity.
• Material Science Research: Serves as a precursor for functionalized polymers and advanced organic materials with tailored electronic properties.
• Chemical Biology: Employed in the creation of molecular probes and labeled compounds for biochemical studies.
• Custom Synthesis: A versatile starting material for contract research organizations (CROs) and fine chemical manufacturers producing bespoke compounds.

Basic Information

Product Name	5-Methyl-4,5,6,7-tetrahydro-benzo[b]thiophene-2-carbonyl chloride
CAS No.	869945-06-2
Molecular Formula	C11H13ClOS
Molecular Weight	228.74 g/mol
Synonyms	5-Methyl-4,5,6,7-tetrahydro-1-benzothiophene-2-carbonyl chloride; 5-Methyl-4,5,6,7-tetrahydrobenzo[b]thiophene-2-carbonyl chloride; 2-Carbonyl chloride-5-methyl-4,5,6,7-tetrahydrobenzo[b]thiophene; 869945-06-2; 5-Methyl-4,5,6,7-tetrahydrobenzo[b]thien-2-yl carbonyl chloride
EINECS	Contact for details

Quality Control

Our 5-Methyl-4,5,6,7-tetrahydro-benzo[b]thiophene-2-carbonyl chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high chemical purity and identity. Certificates of Analysis (COA) with detailed chromatographic data are provided for every shipment to guarantee traceability and compliance with your research or production specifications.

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. Keep away from strong acids and incompatible organic solvents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
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.