Description

2-Chloro-4-(2-Fluorophenyl)-6-Methylthieno[2,3-D]Pyrimidine is a high-purity, advanced pharmaceutical intermediate with a distinct heterocyclic structure. This compound is critical for research and development in medicinal chemistry, particularly in the synthesis of novel small-molecule therapeutics. It is primarily sought by pharmaceutical R&D laboratories, agrochemical innovators, and specialty chemical manufacturers for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of potential kinase inhibitors and other targeted therapeutic agents.
• Medicinal Chemistry Research: Used in lead optimization and structure-activity relationship (SAR) studies for new drug candidates.
• Agrochemical Development: Serves as a precursor in the research of novel herbicides and fungicides.
• Chemical Biology Probes: Utilized in the development of molecular probes for studying biological pathways and target validation.
• Custom Synthesis: Employed by contract research and manufacturing organizations (CROs/CMOs) for client-specific synthetic routes.
• Academic Research: Used in university and institutional labs for heterocyclic chemistry and synthetic methodology development.

Basic Information

Product Name	2-Chloro-4-(2-Fluorophenyl)-6-Methylthieno[2,3-D]Pyrimidine
CAS No.	99499-25-9
Molecular Formula	C₁₃H₈ClFN₂S
Molecular Weight	278.73 g/mol
Synonyms	2-Chloro-4-(2-fluorophenyl)-6-methylthieno[2,3-d]pyrimidine; 6-Methyl-2-chloro-4-(2-fluorophenyl)thieno[2,3-d]pyrimidine; Thieno[2,3-d]pyrimidine, 2-chloro-4-(2-fluorophenyl)-6-methyl-; 99499-25-9; 2-Chloro-4-(o-fluorophenyl)-6-methylthieno[2,3-d]pyrimidine
EINECS	Contact for details

Quality Control

Our 2-Chloro-4-(2-Fluorophenyl)-6-Methylthieno[2,3-D]Pyrimidine is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Single Maximum Impurity	≤ 0.5%
Loss on Drying	≤ 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.