Description

Methyl 3-Chloro-6-Methoxybenzo[B]Thiophene-2-Carboxylate is a high-purity, synthetically valuable heterocyclic building block. This compound is a key intermediate in the synthesis of complex organic molecules, particularly in the pharmaceutical and agrochemical sectors. It is primarily sought after by R&D chemists and process development scientists for the construction of novel active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of drug candidates, particularly those with benzothiophene or fused heterocyclic scaffolds for therapeutic applications.
• Agrochemical Synthesis: Used in the development of advanced pesticides, herbicides, and fungicides, leveraging its halogenated and methoxylated structure for bioactivity.
• Material Science Research: Serves as a building block for creating novel organic electronic materials, dyes, and pigments due to its conjugated system.
• Chemical Research & Development: Employed in academic and industrial labs for method development, catalysis studies, and the exploration of new chemical entities.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for the production of client-specific target molecules.

Basic Information

Item	Details
Product Name	Methyl 3-Chloro-6-Methoxybenzo[B]Thiophene-2-Carboxylate
CAS No.	59812-35-0
Molecular Formula	C11H9ClO3S
Molecular Weight	256.70 g/mol
Synonyms	Methyl 3-Chloro-6-Methoxybenzo[B]Thiophene-2-Carboxylate; 3-Chloro-6-methoxybenzo[b]thiophene-2-carboxylic acid methyl ester; Methyl 3-chloro-6-methoxy-1-benzothiophene-2-carboxylate; 3-Chloro-6-methoxybenzo[b]thiophene-2-carboxylate methyl ester; 2-Carbomethoxy-3-chloro-6-methoxybenzothiophene; 59812-35-0; Methyl 3-chloro-6-methoxybenzothiophene-2-carboxylate
EINECS	Contact for details

Quality Control

Our Methyl 3-Chloro-6-Methoxybenzo[B]Thiophene-2-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and identity confirmation. Certificates of Analysis (COA) with detailed specifications are provided for every shipment to guarantee batch-to-batch consistency and traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 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.