Description

2-Benzyl-5-Methyl-4-Oxo-3H,4H-Thieno[2,3-D]Pyrimidine-6-Carboxylic Acid is a high-purity, heterocyclic carboxylic acid derivative that serves as a critical building block in advanced organic synthesis. This compound is valued for its unique fused thienopyrimidine scaffold, which is essential for developing novel bioactive molecules with targeted properties. It is primarily sought by research and development teams in the pharmaceutical and agrochemical industries for the synthesis of new active ingredients and intermediates.

Application

• Pharmaceutical Intermediate: A key precursor in the research and synthesis of novel drug candidates, particularly those targeting specific enzymatic pathways.
• Agrochemical Research: Used in developing new active ingredients for crop protection products, leveraging its heterocyclic structure for bioactivity.
• Chemical Synthesis Building Block: Employed in organic chemistry for constructing complex fused-ring systems due to its reactive carboxylic acid and ketone functionalities.
• Material Science Research: Investigated as a potential monomer or additive for creating specialty polymers with unique electronic or thermal properties.
• Academic & Contract Research: Utilized in university and CRO laboratories for methodological studies and the discovery of new chemical entities.

Basic Information

Product Name	2-Benzyl-5-Methyl-4-Oxo-3H,4H-Thieno[2,3-D]Pyrimidine-6-Carboxylic Acid
CAS No.	421562-28-9
Molecular Formula	C15H12N2O3S
Molecular Weight	300.33 g/mol
Synonyms	2-Benzyl-5-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylic acid; Thieno[2,3-d]pyrimidine-6-carboxylic acid, 2-benzyl-3,4-dihydro-5-methyl-4-oxo-; 421562-28-9; 2-Benzyl-5-methyl-4-oxo-4H-thieno[2,3-d]pyrimidine-6-carboxylic acid; 6-Carboxy-2-benzyl-5-methyl-3,4-dihydro-4-oxothieno[2,3-d]pyrimidine
EINECS	Contact for details

Quality Control

Our production of 2-Benzyl-5-Methyl-4-Oxo-3H,4H-Thieno[2,3-D]Pyrimidine-6-Carboxylic Acid adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. All products undergo rigorous quality testing, including chromatographic and spectroscopic analysis, to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request 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 place at a controlled room temperature (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.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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