Description

4-Chloro-7-Methylthieno[3,2-D]Pyrimidine is a high-purity heterocyclic building block of significant importance in advanced organic synthesis. This compound serves as a critical intermediate for the development of novel pharmaceutical agents and agrochemicals, enabling the construction of complex molecular architectures. It is primarily sought after by research institutions, fine chemical manufacturers, and pharmaceutical companies engaged in drug discovery and process chemistry.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of kinase inhibitors and other biologically active small molecules for therapeutic applications.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and pesticides, leveraging its unique heterocyclic core.
• Material Science: Serves as a building block for organic electronic materials, such as semiconductors and light-emitting compounds.
• Academic & Contract Research: Essential for medicinal chemistry programs and structure-activity relationship (SAR) studies in university and CRO laboratories.
• Custom Synthesis: Employed by fine chemical suppliers for the contract manufacturing of proprietary compounds and advanced intermediates.

Basic Information

Product Name	4-Chloro-7-Methylthieno[3,2-D]Pyrimidine
CAS No.	175137-21-0
Molecular Formula	C7H5ClN2S
Molecular Weight	184.65 g/mol
Synonyms	4-Chloro-7-methylthieno[3,2-d]pyrimidine; 7-Methyl-4-chlorothieno[3,2-d]pyrimidine; Thieno[3,2-d]pyrimidine, 4-chloro-7-methyl-; 4-Chloro-7-methyl-thieno[3,2-d]pyrimidine; 175137-21-0; 4-Chloro-7-methylthieno[3,2-d]pyrimidine; 4-Chloro-7-methyl-thieno[3,2-d]pyrimidine
EINECS	Contact for details

Quality Control

Our 4-Chloro-7-Methylthieno[3,2-D]Pyrimidine is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We adhere to cGMP guidelines where applicable, and our quality protocols are designed to meet the stringent requirements of pharmaceutical and advanced chemical synthesis.

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.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.