Description

3-Thiophenecarboxylicacid,Tetrahydro-4-(Hydroxyimino)-2-Methyl-,Methyl is a specialized heterocyclic building block with a unique fused thiophene-oxime structure. This compound is valued for its role as a key intermediate in the synthesis of complex molecules, particularly in pharmaceutical research and development. It is primarily sought by R&D chemists and process development scientists in the life sciences sector for creating novel active pharmaceutical ingredients (APIs) and agrochemicals.

Application

• Pharmaceutical Intermediate: A critical building block for the synthesis of novel drug candidates, particularly in therapeutic areas targeting the central nervous system or metabolic diseases.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its heterocyclic core for bioactivity.
• Material Science Precursor: Serves as a monomer or functionalization agent in the research of advanced polymers and organic electronic materials.
• Chemical Synthesis: Employed in organic chemistry laboratories for constructing complex molecular architectures due to its reactive oxime and ester functional groups.
• Ligand Synthesis: Useful for creating custom chelating ligands in catalysis and metal-organic framework (MOF) research.

Basic Information

Product Name	3-Thiophenecarboxylicacid,Tetrahydro-4-(Hydroxyimino)-2-Methyl-,Methyl
CAS No.	78648-42-7
Molecular Formula	C8H11NO3S
Molecular Weight	201.24 g/mol
Synonyms	Methyl 4-(hydroxyimino)-2-methyl-4,5,6,7-tetrahydrothieno[3,2-c]pyridine-5-carboxylate; 4,5,6,7-Tetrahydro-4-(hydroxyimino)-2-methylthieno[3,2-c]pyridine-5-carboxylic acid methyl ester; 5-Methoxycarbonyl-2-methyl-4,5,6,7-tetrahydrothieno[3,2-c]pyridin-4-one oxime; Tetrahydrothienopyridine derivative; CAS 78648-42-7
EINECS	Contact for details

Quality Control

Our production of 3-Thiophenecarboxylicacid,Tetrahydro-4-(Hydroxyimino)-2-Methyl-,Methyl adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity for research applications. All materials are fully characterized using advanced analytical techniques including NMR, HPLC, and MS. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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