Description

Methyl 5-Methyl-2-{[(3-Oxo-1,2,3,4-Tetrahydroquinoxalin-2-Yl)Acetyl]Amino}Thiophene-3-Carboxylate is a high-purity, complex heterocyclic compound that serves as a critical building block in advanced organic synthesis. Its unique molecular architecture, featuring fused thiophene and tetrahydroquinoxalinone moieties, makes it an invaluable intermediate for pharmaceutical research and development. This compound is primarily sought after by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for constructing novel active molecules.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing kinase inhibitory activity.
• Agrochemical Research: Used in the synthesis of novel active ingredients for crop protection products, leveraging its heterocyclic structure for bioactivity.
• Chemical Biology Probe Development: Serves as a scaffold for creating molecular probes to study enzyme function and biological pathways in academic and industrial research settings.
• Material Science Precursor: Potential use in the synthesis of advanced organic electronic materials due to its conjugated thiophene core.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for the production of bespoke compounds and small-scale API (Active Pharmaceutical Ingredient) batches.

Basic Information

Product Name	Methyl 5-Methyl-2-{[(3-Oxo-1,2,3,4-Tetrahydroquinoxalin-2-Yl)Acetyl]Amino}Thiophene-3-Carboxylate
CAS No.	939892-14-5
Molecular Formula	C₁₇H₁₇N₃O₄S
Molecular Weight	359.40 g/mol
Synonyms	Methyl 5-methyl-2-[[(3-oxo-1,2,3,4-tetrahydro-2-quinoxalinyl)acetyl]amino]-3-thiophenecarboxylate; 3-Thiophenecarboxylic acid, 2-[[(3-oxo-1,2,3,4-tetrahydro-2-quinoxalinyl)acetyl]amino]-5-methyl-, methyl ester; 939892-14-5; Methyl 5-methyl-2-({[(3-oxo-3,4-dihydroquinoxalin-2(1H)-yl)]acetyl}amino)thiophene-3-carboxylate; A thiophene-quinoxalinone conjugate
EINECS	Contact for details

Quality Control

Our production of Methyl 5-Methyl-2-{[(3-Oxo-1,2,3,4-Tetrahydroquinoxalin-2-Yl)Acetyl]Amino}Thiophene-3-Carboxylate adheres to stringent in-process controls and final release testing to ensure batch-to-batch consistency and high purity. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We employ analytical techniques including HPLC, NMR, and MS to verify specifications, ensuring the material meets the exacting standards required for pharmaceutical R&D and other critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep the container tightly sealed to protect from moisture and contamination. Store away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
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.