Description

4H-Thieno[3,2-B]Pyrrole-5-Carboxylic Acid Hydrazide is a high-value heterocyclic building block and key synthetic intermediate of significant interest in advanced organic chemistry. Its unique fused-ring structure containing thiophene and pyrrole moieties makes it a versatile precursor for the development of novel pharmacologically active compounds and functional materials. This product is primarily utilized by research institutions and industrial R&D departments focused on medicinal chemistry, agrochemical discovery, and materials science.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel drug candidates, particularly in the development of kinase inhibitors and other targeted therapies.
• Agrochemical Research: Serves as a key precursor in the design and synthesis of new-generation herbicides, fungicides, and plant growth regulators.
• Organic Electronic Materials: Used in the research and development of organic semiconductors, conductive polymers, and other electronic materials due to its electron-rich heterocyclic core.
• Dye & Pigment Synthesis: Acts as an intermediate in the production of specialized dyes and pigments with specific light-absorption or emission properties.
• Ligand & Catalyst Development: Employed in the creation of novel chelating ligands and organocatalysts for asymmetric synthesis and metal-catalyzed reactions.
• Academic & Contract Research: Supplied to universities and CROs (Contract Research Organizations) for fundamental chemical research and custom synthesis projects.

Basic Information

Item	Detail
Product Name	4H-Thieno[3,2-B]Pyrrole-5-Carboxylic Acid Hydrazide
CAS No.	119448-43-0
Molecular Formula	C7H7N3OS
Molecular Weight	181.21 g/mol
Synonyms	4H-Thieno[3,2-b]pyrrole-5-carbohydrazide; 4H-Thieno[3,2-b]pyrrole-5-carboxylic acid, hydrazide; 5-Hydrazinylcarbonyl-4H-thieno[3,2-b]pyrrole; Thieno[3,2-b]pyrrole-5-carboxylic acid hydrazide
EINECS	Contact for details

Quality Control

Our production of 4H-Thieno[3,2-B]Pyrrole-5-Carboxylic Acid Hydrazide adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity for research and development applications. All materials are characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, 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 a controlled room temperature (15-25°C). Due to its hygroscopic and easily oxidized nature, it is recommended to handle the material under an inert atmosphere (e.g., nitrogen or argon) for long-term storage and to minimize exposure to moisture during use.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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