Description

3-Thiophenecarboxamide,Tetrahydro-n-Methyl-5-Oxo-(9Ci) is a high-purity, specialized heterocyclic building block with the CAS number 140914-49-4. This compound is a critical intermediate in advanced organic synthesis, valued for its unique thiophene-based scaffold and amide functionality. It is primarily sought after by research and development teams in the pharmaceutical and agrochemical industries for the creation of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing specific receptor-binding profiles.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides, leveraging its heterocyclic structure for bioactivity.
• Material Science: Acts as a monomer or functional additive in the research of conductive polymers or specialty materials due to the thiophene moiety.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex molecules, including natural product analogs and functional materials.
• Chemical Reference Standard: Supplied as a high-purity standard for analytical method development, quality control, and regulatory submissions.

Basic Information

Product Name	3-Thiophenecarboxamide,Tetrahydro-n-Methyl-5-Oxo-(9Ci)
CAS No.	140914-49-4
Molecular Formula	C7H11NO2S
Molecular Weight	173.23 g/mol
Synonyms	N-Methyl-5-oxotetrahydrothiophene-3-carboxamide; 3-Carbamoyl-N-methyl-5-oxotetrahydrothiophene; Tetrahydro-N-methyl-5-oxo-3-thiophenecarboxamide; 5-Oxo-N-methyltetrahydrothiophene-3-carboxamide; 3-Thiophenecarboxamide, tetrahydro-N-methyl-5-oxo-; 140914-49-4; (9CI) designation compound.
EINECS	Contact for details

Quality Control

Our 3-Thiophenecarboxamide,Tetrahydro-n-Methyl-5-Oxo-(9Ci) is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and residual solvent analysis. We provide a detailed Certificate of Analysis (COA) with every shipment to ensure traceability and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.