Description

4-Chloro-2,5-Diphenylthieno[2,3-D]Pyrimidine is a high-value, heterocyclic organic compound featuring a fused thienopyrimidine core structure. This specialized chemical building block is critical for advanced research and development in medicinal chemistry and materials science. It is primarily sought after by pharmaceutical R&D teams and fine chemical manufacturers for the synthesis of novel active pharmaceutical ingredients (APIs) and functional organic materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of potential drug candidates, particularly those targeting kinase inhibition and other therapeutic pathways.
• Medicinal Chemistry Research: Used as a core scaffold for constructing compound libraries in high-throughput screening and structure-activity relationship (SAR) studies.
• Organic Electronic Materials: Serves as a building block for developing novel organic semiconductors, charge-transport materials, or light-emitting components due to its conjugated π-system.
• Agrochemical Research: Investigated as an intermediate for developing new crop protection agents and herbicides.
• Dye and Pigment Synthesis: Potential use in creating specialized heterocyclic dyes and functional colorants.
• Academic and Institutional R&D: Employed in universities and research institutes for fundamental studies in organic synthesis and heterocyclic chemistry.

Basic Information

Product Name	4-Chloro-2,5-Diphenylthieno[2,3-D]Pyrimidine
CAS No.	83548-63-4
Molecular Formula	C18H11ClN2S
Molecular Weight	322.81 g/mol
Synonyms	4-Chloro-2,5-diphenylthieno[2,3-d]pyrimidine; Thieno[2,3-d]pyrimidine, 4-chloro-2,5-diphenyl-; 2,5-Diphenyl-4-chlorothieno[2,3-d]pyrimidine; 4-Chloro-2,5-diphenyl-thieno[2,3-d]pyrimidine; 4-Chloro-2,5-diphenyl[1]benzothieno[2,3-d]pyrimidine (common misnomer); 4-Chloro-2,5-diphenyl-thieno[2,3-d]pyrimidin; CAS 83548-63-4
EINECS	Contact for details

Quality Control

Our 4-Chloro-2,5-Diphenylthieno[2,3-D]Pyrimidine is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity for research applications. We provide comprehensive analytical data including HPLC purity, NMR, and mass spectrometry confirmation. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is supplied with every batch to support your quality assurance and regulatory documentation needs.

Storage

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

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (HPLC/MS)	Conforms
Purity (HPLC)	≥ 97.0% (Standard Grade)
Purity (HPLC)	≥ 98.0% / ≥ 99.0% (High Purity Grades Available)
Melting Point	Contact for details
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.