Description

4-Bromo-5-Ethyl-Thiophene-2-Carboxylic Acid Hydrazide is a high-purity, multi-functional heterocyclic building block of significant importance in advanced organic synthesis. This compound is valued for its reactive hydrazide and halogenated thiophene structure, enabling its use as a key precursor in the development of complex molecules. It is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and material science sectors for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A critical building block for the synthesis of novel drug candidates, particularly in the development of molecules with thiophene-based scaffolds for various therapeutic areas.
• Agrochemical Research: Serves as a key precursor in the design and synthesis of new-generation herbicides, fungicides, and insecticides, leveraging its heterocyclic reactivity.
• Material Science: Used in the research and development of organic electronic materials, such as semiconductors and conductive polymers, due to the electron-rich thiophene core.
• Chemical Synthesis: Functions as a versatile reagent for constructing complex heterocycles via cyclization and condensation reactions, enabling access to diverse chemical libraries.
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for metal-organic frameworks (MOFs) or catalytic systems.

Basic Information

Product Name	4-Bromo-5-Ethyl-Thiophene-2-Carboxylic Acid Hydrazide
CAS No.	832737-57-2
Molecular Formula	C7H9BrN2OS
Molecular Weight	249.13 g/mol
Synonyms	4-Bromo-5-ethyl-2-thiophenecarboxylic acid hydrazide; 4-Bromo-5-ethylthiophene-2-carbohydrazide; 2-Thiophenecarboxylic acid, 4-bromo-5-ethyl-, hydrazide; 5-Ethyl-4-bromothiophene-2-carboxylic acid hydrazide; 4-Bromo-5-ethyl-thiophene-2-carboxylic hydrazide; (4-Bromo-5-ethylthiophen-2-yl)formic acid hydrazide
EINECS	Contact for details

Quality Control

Our 4-Bromo-5-Ethyl-Thiophene-2-Carboxylic Acid Hydrazide is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for research and development materials.

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). This material is moisture-sensitive; keep the container tightly sealed in a dry environment. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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