Description

Methyl 3-Hydroxy-5,6-Dimethoxybenzo[B]Thiophene-3-Carboxylate is a high-purity, multi-functional heterocyclic building block and synthetic intermediate. This compound is valued for its unique benzo[b]thiophene core, which is integral to developing advanced materials and active pharmaceutical ingredients (APIs). It is primarily sought by research and development teams in the pharmaceutical, agrochemical, and specialty chemical industries for synthesis and process optimization. Its specific substitution pattern makes it a versatile precursor for creating novel compounds with targeted biological or material properties.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting neurological or metabolic pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or plant growth regulators due to its bioactive heterocyclic structure.
• Organic Synthesis: Serves as a versatile precursor for constructing complex polycyclic aromatic systems and functionalized thiophene derivatives in academic and industrial labs.
• Material Science: Investigated as a monomer or dopant for creating conductive polymers or organic semiconductors (OLEDs, OFETs).
• Chemical Reference Standard: Employed as a high-purity analytical standard for quality control and method development in analytical laboratories.

Basic Information

Product Name	Methyl 3-Hydroxy-5,6-Dimethoxybenzo[B]Thiophene-3-Carboxylate
CAS No.	26759-48-8
Molecular Formula	C₁₂H₁₂O₅S
Molecular Weight	268.29 g/mol
Synonyms	Methyl 3-hydroxy-5,6-dimethoxy-1-benzothiophene-3-carboxylate; 5,6-Dimethoxy-3-hydroxybenzo[b]thiophene-3-carboxylic acid methyl ester; 3-Hydroxy-5,6-dimethoxybenzo[b]thiophene-3-carboxylic acid methyl ester; Benzo[b]thiophene-3-carboxylic acid, 3-hydroxy-5,6-dimethoxy-, methyl ester; Methyl 3-hydroxy-5,6-dimethoxybenzo[b]thiophene-2-carboxylate (possible isomeric form)
EINECS	Contact for details

Quality Control

Our Methyl 3-Hydroxy-5,6-Dimethoxybenzo[B]Thiophene-3-Carboxylate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, IR, MS), to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request to support your regulatory and quality assurance 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 (typically 15-25°C). Keep away from incompatible materials and sources of ignition. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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