Description

(5,6-Dimethyl-4-Oxo-3-Phenyl-3,4-Dihydro-Thieno[2,3-D]Pyrimidin-2-Ylsulfanyl)-Acetic Acid is a high-value, multifunctional heterocyclic building block and pharmaceutical intermediate. Its complex fused-ring structure containing thienopyrimidine and acetic acid moieties makes it a critical precursor for advanced research and synthesis. This compound is primarily sought by R&D chemists and process development teams in the pharmaceutical and agrochemical sectors. It enables the development of novel active ingredients with potential applications in medicinal chemistry.

Application

• Pharmaceutical Intermediate: Serves as a key building block for the synthesis of novel drug candidates, particularly in oncology, antiviral, and anti-inflammatory research.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides due to its bioactive thienopyrimidine core.
• Chemical Biology Probe: Acts as a scaffold or precursor for designing molecular probes to study enzyme function and biological pathways.
• Material Science Research: Investigated as a potential monomer or additive for creating specialized polymers with unique electronic or thermal properties.
• Academic & Contract Research: Essential for synthetic organic chemistry research in universities and CROs (Contract Research Organizations) exploring new heterocyclic compounds.
• Custom Synthesis: A starting material for the contract manufacturing of complex, proprietary molecules for client-specific applications.

Basic Information

Product Name	(5,6-Dimethyl-4-Oxo-3-Phenyl-3,4-Dihydro-Thieno[2,3-D]Pyrimidin-2-Ylsulfanyl)-Acetic Acid
CAS No.	79587-86-3
Molecular Formula	C₁₆H₁₄N₂O₃S₂
Molecular Weight	346.42 g/mol
Synonyms	2-[(5,6-Dimethyl-4-oxo-3-phenyl-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio]acetic acid; [(5,6-Dimethyl-4-oxo-3-phenyl-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)sulfanyl]acetic acid; Thieno[2,3-d]pyrimidine-2-acetic acid derivative; 79587-86-3; (5,6-Dimethyl-4-oxo-3-phenyl-3,4-dihydrothieno[2,3-d]pyrimidin-2-ylthio)acetic acid
EINECS	Contact for details

Quality Control

Our (5,6-Dimethyl-4-Oxo-3-Phenyl-3,4-Dihydro-Thieno[2,3-D]Pyrimidin-2-Ylsulfanyl)-Acetic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via NMR and MS, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) detailing batch-specific results are provided with each shipment and are available upon request.

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). This compound may be moisture-sensitive; keep the container tightly sealed in a dry environment.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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