Description

4-Chloro-2-Methyl-6-Phenyl-Thieno[2,3-D]Pyrimidine is a high-value heterocyclic building block and advanced pharmaceutical intermediate. This compound matters for its role in the synthesis of complex molecules, particularly in medicinal chemistry for drug discovery and development. It is primarily needed by research institutions, pharmaceutical R&D departments, and fine chemical manufacturers focused on creating novel therapeutic agents, especially in oncology and antiviral research.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel kinase inhibitors and other targeted small-molecule therapeutics.
• Medicinal Chemistry Research: Serves as a versatile scaffold for structure-activity relationship (SAR) studies in drug discovery programs.
• Organic Synthesis Building Block: Used in the construction of complex polycyclic heterocyclic systems for material science and agrochemical research.
• Chemical Reference Standard: Employed as an analytical standard for quality control and method development in pharmaceutical manufacturing.
• Biochemical Probe Development: Utilized in the design and synthesis of chemical probes for studying biological pathways and target validation.

Basic Information

Product Name	4-Chloro-2-Methyl-6-Phenyl-Thieno[2,3-D]Pyrimidine
CAS No.	125660-99-3
Molecular Formula	C13H9ClN2S
Molecular Weight	260.74 g/mol
Synonyms	4-Chloro-2-methyl-6-phenylthieno[2,3-d]pyrimidine; 4-Chloro-2-methyl-6-phenylthieno[2,3-d]pyrimidine; Thieno[2,3-d]pyrimidine, 4-chloro-2-methyl-6-phenyl-; 6-Phenyl-4-chloro-2-methylthieno[2,3-d]pyrimidine; 4-Chloro-2-methyl-6-phenyl-thieno[2,3-d]pyrimidine; 125660-99-3; 4-Chloro-2-methyl-6-phenyl-thieno[2,3-d]pyrimidine
EINECS	Contact for details

Quality Control

Our 4-Chloro-2-Methyl-6-Phenyl-Thieno[2,3-D]Pyrimidine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for pharmaceutical R&D. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics is provided with every shipment.

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 ensure stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Single Maximum Impurity	≤ 1.0%
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.