Description

4-Ethyl-2-Methyl-4H-Thieno[3,2-B]Pyrrole-5-Carboxylic Acid is a high-purity heterocyclic carboxylic acid building block of significant interest in advanced organic synthesis. Its fused thienopyrrole core structure makes it a valuable intermediate for the development of novel pharmaceuticals and functional materials. This compound is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for candidates targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its unique heterocyclic scaffold for bioactivity.
• Material Science Precursor: Serves as a monomer or functional unit in the synthesis of organic semiconductors, conductive polymers, and advanced organic electronic materials.
• Dye & Pigment Chemistry: Acts as a core structure for developing novel chromophores and pigments with specific light-absorption properties.
• Academic & Contract Research: Essential reagent for methodological studies in organic chemistry and for creating bespoke compound libraries in drug discovery programs.
• Custom Synthesis: Foundation for the contract manufacturing of proprietary derivatives and complex target molecules for various industrial applications.

Basic Information

Product Name	4-Ethyl-2-Methyl-4H-Thieno[3,2-B]Pyrrole-5-Carboxylic Acid
CAS No.	1051362-36-7
Molecular Formula	C10H11NO2S
Molecular Weight	209.26 g/mol
Synonyms	4-Ethyl-2-methyl-4H-thieno[3,2-b]pyrrole-5-carboxylic acid; 4H-Thieno[3,2-b]pyrrole-5-carboxylic acid, 4-ethyl-2-methyl-; 2-Methyl-4-ethyl-4H-thieno[3,2-b]pyrrole-5-carboxylic acid; Thienopyrrole-5-carboxylic acid derivative; 1051362-36-7; 4-Ethyl-2-methylthieno[3,2-b]pyrrole-5-carboxylic acid
EINECS	Contact for details

Quality Control

Every batch of 4-Ethyl-2-Methyl-4H-Thieno[3,2-B]Pyrrole-5-Carboxylic Acid is manufactured under strict quality management systems. Our products undergo rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency meet the exacting standards required for research and development. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee traceability and reliability for your critical processes.

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). Keep away from incompatible materials such as strong oxidizing agents, strong bases, and strong acids. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥97.0% (Area %)
Water Content (KF)	≤0.5%
Residue on Ignition	≤0.1%
Heavy Metals	≤20 ppm

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