Description

4-Hydroxy-Benzo[B]Thiophene-7-Carboxaldehyde is a high-purity, multifunctional heterocyclic building block of significant interest in advanced organic synthesis. Its unique molecular scaffold, featuring both a phenolic hydroxyl and an aldehyde functional group, makes it a versatile precursor for constructing complex pharmacophores and functional materials. This compound is primarily sought after by research and development teams in the pharmaceutical and agrochemical sectors for the synthesis of novel active ingredients and intermediates.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and metabolic diseases.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators, leveraging its heterocyclic core for bioactivity.
• Material Science: Serves as a building block for organic semiconductors, liquid crystals, and advanced polymers due to its conjugated system and functional handles.
• Dye & Pigment Synthesis: Acts as an intermediate in the production of specialized dyes and pigments, where the benzothiophene structure contributes to color and stability.
• Chemical Biology Probe Development: Utilized in creating molecular probes and tags for studying biological processes and enzyme mechanisms.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological development and exploration of new chemical spaces.

Basic Information

Product Name	4-Hydroxy-Benzo[B]Thiophene-7-Carboxaldehyde
CAS No.	199339-71-4
Molecular Formula	C9H6O2S
Molecular Weight	178.21 g/mol
Synonyms	7-Formyl-4-hydroxybenzo[b]thiophene; 4-Hydroxybenzo[b]thiophene-7-carbaldehyde; 4-Hydroxy-1-benzothiophene-7-carboxaldehyde; 4-Hydroxybenzo[b]thien-7-ylcarboxaldehyde; 4-Hydroxy-7-formylbenzo[b]thiophene; 7-Aldehyde-4-hydroxybenzo[b]thiophene; 4-Hydroxy-7-thianaphthenecarboxaldehyde
EINECS	Contact for details

Quality Control

Our 4-Hydroxy-Benzo[B]Thiophene-7-Carboxaldehyde is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis. We provide a detailed Certificate of Analysis (COA) with every shipment to ensure traceability and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat sources and incompatible materials. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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