Description

3-Thiophenecarboxylicacid,Tetrahydro-4-(Hydroxyimino)-,Ethylester(9Ci) is a specialized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of novel pharmaceuticals and agrochemicals, where its unique thiophene scaffold and functional groups enable precise molecular construction. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for creating new active ingredients and functional molecules. The product is identified by CAS No. 224449-43-8.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing specific receptor activity.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides, leveraging the bioactivity of the thiophene moiety.
• Material Science: Acts as a monomer or functionalizing agent in the creation of advanced polymers and organic electronic materials with tailored properties.
• Chemical Synthesis: Employed as a versatile building block for constructing complex heterocyclic compounds in academic and industrial research laboratories.
• Ligand & Catalyst Development: Utilized in the preparation of specialized ligands for metal catalysis or in the synthesis of catalyst frameworks.

Basic Information

Item	Detail
Product Name	3-Thiophenecarboxylicacid,Tetrahydro-4-(Hydroxyimino)-,Ethylester(9Ci)
CAS No.	224449-43-8
Molecular Formula	C8H11NO3S
Molecular Weight	201.24 g/mol
Synonyms	Ethyl 4-(hydroxyimino)tetrahydro-3-thiophenecarboxylate; Tetrahydro-4-(hydroxyimino)-3-thiophenecarboxylic acid ethyl ester; 4-(Hydroxyimino)tetrahydro-3-thiophenecarboxylic Acid Ethyl Ester; 3-Thiophenecarboxylic acid, tetrahydro-4-(hydroxyimino)-, ethyl ester; Ethyl 4-hydroxyiminotetrahydrothiophene-3-carboxylate; 4-Hydroxyimino-tetrahydro-thiophene-3-carboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. We employ advanced analytical techniques including HPLC, GC, NMR, and mass spectrometry to verify identity, purity, and consistency for every batch. Certificates of Analysis (COA) are available upon request, detailing all relevant specifications. Our commitment to quality supports your research and development needs with reliable, high-purity intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, handling and storage should minimize exposure to direct or strong artificial light.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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