Description

4-Chloro-6-Methyl-5-Phenylthieno[2,3-D]Pyrimidine is a high-value, heterocyclic organic building block with a complex fused-ring structure. This compound is critical for advanced research and development in pharmaceutical chemistry, serving as a versatile scaffold for creating novel active molecules. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for synthesizing new drug candidates and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of potential kinase inhibitors and other targeted therapeutic agents.
• Agrochemical Research: Used as a core structure for developing new herbicides, fungicides, and plant growth regulators.
• Material Science: Serves as a building block for organic electronic materials, such as organic semiconductors and light-emitting diodes (OLEDs).
• Chemical Biology: Employed in the design and synthesis of molecular probes and tool compounds for biological target validation.
• Academic & Contract Research: Essential for fundamental organic chemistry research and custom synthesis projects in CROs (Contract Research Organizations).
• Process Chemistry: Used in route scouting and optimization for the scalable production of complex active pharmaceutical ingredients (APIs).

Basic Information

Product Name	4-Chloro-6-Methyl-5-Phenylthieno[2,3-D]Pyrimidine
CAS No.	610274-04-9
Molecular Formula	C13H9ClN2S
Molecular Weight	260.74 g/mol
Synonyms	4-Chloro-6-methyl-5-phenylthieno[2,3-d]pyrimidine; Thieno[2,3-d]pyrimidine, 4-chloro-6-methyl-5-phenyl-; 5-Phenyl-4-chloro-6-methylthieno[2,3-d]pyrimidine; 4-Chloro-5-phenyl-6-methylthieno[2,3-d]pyrimidine; 6-Methyl-5-phenyl-4-chlorothieno[2,3-d]pyrimidine
EINECS	Contact for details

Quality Control

Every batch of 4-Chloro-6-Methyl-5-Phenylthieno[2,3-D]Pyrimidine is manufactured under strict quality management protocols. We provide comprehensive analytical data to ensure the material meets the high-purity standards required for research and development. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied with each shipment, and custom purity grades can be accommodated upon request.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Standard Grade)
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.