Description

3-Thiophenecarboxylicacid,Tetrahydro-4-(Hydroxyimino)-5-Methyl-,Methyl is a specialized heterocyclic building block featuring a tetrahydrothiophene core with a carboxylic acid methyl ester and an oxime functional group. This unique molecular architecture makes it a valuable intermediate for synthesizing complex molecules in advanced research and development. It is primarily sought after by pharmaceutical and agrochemical R&D laboratories for the creation of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly those targeting neurological or metabolic pathways.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides where the thiophene moiety imparts specific biological activity.
• Material Science Research: Serves as a precursor for functionalized polymers or organic electronic materials due to its sulfur-containing heterocyclic structure.
• Ligand and Catalyst Development: The oxime and ester functionalities make it a useful starting material for designing novel chelating ligands or organocatalysts.
• Fine Chemical Production: Employed in custom synthesis and contract manufacturing for producing high-value, low-volume specialty chemicals.

Basic Information

Product Name	3-Thiophenecarboxylicacid,Tetrahydro-4-(Hydroxyimino)-5-Methyl-,Methyl
CAS No.	66319-01-5
Molecular Formula	C8H11NO3S
Molecular Weight	201.24 g/mol
Synonyms	Methyl 4-(hydroxyimino)-5-methyltetrahydro-3-thiophenecarboxylate; 5-Methyl-4-(hydroxyimino)tetrahydro-3-thiophenecarboxylic acid methyl ester; Tetrahydro-4-(hydroxyimino)-5-methyl-3-thiophenecarboxylic acid methyl ester; 3-Thiophenecarboxylic acid, tetrahydro-4-(hydroxyimino)-5-methyl-, methyl ester; 66319-01-5; Methyl 5-methyl-4-oximinotetrahydrothiophene-3-carboxylate
EINECS	Contact for details

Quality Control

Our production of 3-Thiophenecarboxylicacid,Tetrahydro-4-(Hydroxyimino)-5-Methyl-,Methyl adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.