Description

2-(Methylthio)-5-Phenylthieno[2,3-D]Pyrimidin-4(3H)-One is a high-purity, heterocyclic organic compound belonging to the thienopyrimidinone class, serving as a critical advanced pharmaceutical intermediate. Its molecular structure makes it a valuable scaffold for medicinal chemistry research and the synthesis of novel active pharmaceutical ingredients (APIs). This compound is primarily utilized by R&D laboratories and production facilities in the pharmaceutical and agrochemical sectors seeking to develop new therapeutic agents and crop protection products.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of potential drug candidates targeting various diseases.
• Medicinal Chemistry Research: Used as a core scaffold for structure-activity relationship (SAR) studies and library synthesis in drug discovery programs.
• Agrochemical Development: Serves as a precursor in the research and production of novel pesticides and herbicides.
• Chemical Biology Probes: Utilized in the development of molecular probes for studying biological pathways and target validation.
• Organic Synthesis: Employed in advanced organic synthesis for constructing complex heterocyclic systems.

Basic Information

Product Name	2-(Methylthio)-5-Phenylthieno[2,3-D]Pyrimidin-4(3H)-One
CAS No.	448230-52-2
Molecular Formula	C₁₄H₁₀N₂OS₂
Molecular Weight	286.37 g/mol
Synonyms	2-(Methylthio)-5-phenyl-3H-thieno[2,3-d]pyrimidin-4-one; 5-Phenyl-2-(methylthio)thieno[2,3-d]pyrimidin-4(3H)-one; 4(3H)-Thieno[2,3-d]pyrimidinone, 2-(methylthio)-5-phenyl-; 2-Methylsulfanyl-5-phenyl-3H-thieno[2,3-d]pyrimidin-4-one; CAS 448230-52-2
EINECS	Contact for details

Quality Control

Our 2-(Methylthio)-5-Phenylthieno[2,3-D]Pyrimidin-4(3H)-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specifications and test results. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates.

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). Keep the container tightly sealed to protect from moisture. Store away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
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.