Description

5-Ethylthiophene-2-Sulfonohydrazide is a specialized organic intermediate featuring a sulfonohydrazide functional group attached to a substituted thiophene ring. This compound matters as a versatile building block for synthesizing more complex molecules, particularly in the development of pharmaceuticals and agrochemicals. It is needed by research and development chemists, process development scientists, and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring a thiophene-sulfonamide pharmacophore.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides, leveraging its heterocyclic structure.
• Material Science Research: Serves as a monomer or functionalizing agent in the development of advanced polymers and organic electronic materials.
• Chemical Biology & Proteomics: Can be utilized as a chemical probe or linker due to the reactive sulfonohydrazide group for bioconjugation and target identification studies.
• Dye & Pigment Intermediate: Employed in the synthesis of specialized dyes and pigments where the thiophene moiety contributes to color and stability properties.
• Custom Synthesis & Contract Manufacturing: A critical starting material for custom synthesis projects and scale-up processes in fine chemical production.

Basic Information

Product Name	5-Ethylthiophene-2-Sulfonohydrazide
CAS No.	78380-36-6
Molecular Formula	C6H10N2O2S2
Molecular Weight	206.29 g/mol
Synonyms	2-Thiophenesulfonohydrazide, 5-ethyl-; 5-Ethyl-2-thiophenesulfonohydrazide; 5-Ethylthiophene-2-sulfonic acid hydrazide; 2-Thiophenesulfonic acid, 5-ethyl-, hydrazide; 5-Ethyl-2-thienylsulfonohydrazide; 5-Ethylthienyl-2-sulfonohydrazide
EINECS	Contact for details

Quality Control

Our 5-Ethylthiophene-2-Sulfonohydrazide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This material is easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen or argon. Keep away from heat, sparks, and open flame.

Specification

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

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