Description

6-Ethyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carbohydrazide is a high-purity, advanced pharmaceutical intermediate and versatile heterocyclic building block. This compound is critical for the synthesis of complex molecules, offering a unique benzothiophene scaffold with a reactive carbohydrazide functional group. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, agrochemical, and material science industries for developing new active ingredients and functional materials. The product, with CAS number 956576-48-0, is supplied under stringent quality control to ensure batch-to-batch consistency for demanding applications.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and metabolic diseases.
• Agrochemical Research: Serves as a core structure for developing new herbicides, fungicides, and insecticides with potential novel modes of action.
• Organic Synthesis Building Block: The reactive hydrazide group enables further derivatization into hydrazones, azoles, and other nitrogen-containing heterocycles for material science and chemical research.
• Ligand and Catalyst Development: Used in academic and industrial research to create novel ligands for metal complexes and catalysts.
• Chemical Reference Standard: Supplied as a high-purity standard for analytical method development, quality control, and regulatory submissions.

Basic Information

Product Name	6-Ethyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carbohydrazide
CAS No.	956576-48-0
Molecular Formula	C11H16N2OS
Molecular Weight	224.32 g/mol
Synonyms	6-Ethyl-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carbohydrazide; 6-Ethyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylic acid hydrazide; 1-Benzothiophene-3-carbohydrazide, 4,5,6,7-tetrahydro-6-ethyl-; ETBC; 956576-48-0; 6-Ethyl-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic hydrazide
EINECS	Contact for details

Quality Control

Our 6-Ethyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carbohydrazide is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and conformity to customer specifications. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting critical quality attributes. We support compliance with REACH and other global regulatory frameworks.

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). Due to its light-sensitive and easily oxidized nature, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 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.