Description

Propanoic Acid, 3-(2-Benzo[B]Thien-5-Ylethoxy)- is a specialized organic compound with the CAS registry number 519188-42-2, serving as a valuable synthetic intermediate in advanced chemical manufacturing. This compound is critical for researchers and industrial chemists developing novel materials and active pharmaceutical ingredients (APIs) due to its unique molecular framework. Its primary value lies in enabling the synthesis of complex heterocyclic systems, making it essential for pharmaceutical R&D, agrochemical development, and materials science applications.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Research: Used in developing advanced pesticides and herbicides with specific activity profiles.
• Material Science: Serves as a precursor for organic semiconductors and conductive polymers in electronic applications.
• Chemical Synthesis: A versatile reagent for constructing complex benzo[b]thiophene-containing structures in organic chemistry.
• Life Science Research: Employed in biochemical studies and as a tool compound for probing biological pathways.
• Fine Chemical Production: Intermediate for manufacturing specialty chemicals with high added value.

Basic Information

Product Name	Propanoic Acid, 3-(2-Benzo[B]Thien-5-Ylethoxy)-
CAS No.	519188-42-2
Molecular Formula	C15H16O3S
Molecular Weight	276.35 g/mol
Synonyms	3-[2-(Benzo[b]thien-5-yl)ethoxy]propanoic acid; 5-[2-(2-Carboxyethoxy)ethyl]benzo[b]thiophene; Benzo[b]thiophene-5-ethanol, β-(2-carboxyethoxy)-; 519188-42-2; Propanoic acid, 3-[2-(5-benzo[b]thienyl)ethoxy]-; 3-(2-(Benzo[b]thiophen-5-yl)ethoxy)propanoic acid
EINECS	Contact for details

Quality Control

Our Propanoic Acid, 3-(2-Benzo[B]Thien-5-Ylethoxy)- is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical documentation, including Certificates of Analysis (COA) with detailed HPLC/GC purity data, identity confirmation (IR, NMR), and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, supporting its use in regulated research and development.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.