Description

3,5,6-Trimethoxybenzo[B]Thiophene-3-Carboxylic Acid is a high-purity, multi-functional organic building block characterized by its unique heterocyclic structure. This compound is of significant commercial interest as a key intermediate in the synthesis of complex molecules for advanced research and development. It is primarily utilized by pharmaceutical, agrochemical, and material science industries for applications requiring precise molecular architecture.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for candidates with thiophene-based scaffolds.
• Agrochemical Synthesis: Serves as a building block for developing new-generation herbicides, fungicides, and plant growth regulators.
• Organic Electronic Materials: Used in research for constructing π-conjugated systems applicable in organic light-emitting diodes (OLEDs) and semiconductors.
• Ligand and Catalyst Development: The carboxylic acid and methoxy groups make it a versatile starting point for designing novel ligands in coordination chemistry and catalysis.
• Dye and Pigment Intermediate: Employed in the synthesis of specialized dyes and pigments where the benzo[b]thiophene core contributes to color and stability properties.
• Academic and R&D: A valuable reagent for methodological studies in organic synthesis and for exploring new chemical spaces in medicinal chemistry.

Basic Information

Product Name	3,5,6-Trimethoxybenzo[B]Thiophene-3-Carboxylic Acid
CAS No.	94157-96-7
Molecular Formula	C13H12O5S
Molecular Weight	280.30 g/mol
Synonyms	3,5,6-Trimethoxybenzo[b]thiophene-3-carboxylic acid; 3-Carboxy-3,5,6-trimethoxybenzo[b]thiophene; Benzo[b]thiophene-3-carboxylic acid, 3,5,6-trimethoxy-; 3,5,6-Trimethoxy-1-benzothiophene-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our production of 3,5,6-Trimethoxybenzo[B]Thiophene-3-Carboxylic Acid adheres to stringent in-process controls to ensure batch-to-batch consistency and high purity. Quality is verified through advanced analytical techniques including HPLC, GC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

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 nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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