Description

2-Thiophenecarboxylicacid,5-Ethyl-3-Hydrazino-,Methylester(9Ci) is a specialized heterocyclic building block featuring both a thiophene core and a reactive hydrazino functional group. This compound matters for its role as a key synthetic intermediate in the development of advanced pharmaceuticals and agrochemicals, where its unique structure enables the construction of complex molecules. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and infectious diseases.
• Agrochemical Synthesis: Used in the research and development of new-generation herbicides, fungicides, and insecticides that require specific heterocyclic scaffolds.
• Material Science Research: Acts as a monomer or functionalizing agent in the development of conductive polymers and advanced organic electronic materials due to the thiophene moiety.
• Chemical Biology Probes: Employed in the design and synthesis of molecular probes and inhibitors for studying enzyme mechanisms and biological pathways.
• Coordination Chemistry: The hydrazino group can act as a ligand for metal complexation, useful in catalysis and sensor development.
• Custom Synthesis & Contract Manufacturing: A valuable starting material for custom synthesis houses serving the life sciences sector.

Basic Information

Product Name	2-Thiophenecarboxylicacid,5-Ethyl-3-Hydrazino-,Methylester(9Ci)
CAS No.	104680-37-7
Molecular Formula	C8H12N2O2S
Molecular Weight	200.26 g/mol
Synonyms	Methyl 5-ethyl-3-hydrazinyl-2-thiophenecarboxylate; 5-Ethyl-3-hydrazino-2-thiophenecarboxylic acid methyl ester; 3-Hydrazino-5-ethyl-2-thiophenecarboxylic acid methyl ester; Methyl 5-ethyl-3-hydrazinylthiophene-2-carboxylate; 2-Thiophenecarboxylic acid, 5-ethyl-3-hydrazino-, methyl ester; 104680-37-7; 5-Ethyl-3-hydrozinothiophen-2-carbonsäuremethylester
EINECS	Contact for details

Quality Control

Our 2-Thiophenecarboxylicacid,5-Ethyl-3-Hydrazino-,Methylester(9Ci) is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specification parameters are provided and available upon request. We support cGMP compliance for pharmaceutical applications and can tailor quality documentation to meet specific project or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (typically 15-25°C). The compound is moisture-sensitive (hygroscopic) and should be handled under an inert atmosphere for prolonged operations to prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (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.