Description

4-Chloro-2-Chloromethyl-5,6-Dimethyl-Thieno[2,3-D]Pyrimidine is a high-value, multi-functional heterocyclic building block critical for advanced organic synthesis. This compound matters because it serves as a versatile and reactive intermediate, enabling the construction of complex molecular architectures with precision. It is primarily needed by research institutions and industrial manufacturers in the pharmaceutical and agrochemical sectors for developing new active ingredients, such as kinase inhibitors and novel crop protection agents.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of potential drug candidates, particularly in oncology and antiviral research.
• Agrochemical Synthesis: Building block for developing new herbicides, fungicides, and insecticides with novel modes of action.
• Material Science Research: Used in the development of organic electronic materials and advanced polymers.
• Chemical Biology Probes: Serves as a scaffold for creating tool compounds to study biological pathways and enzyme functions.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs for the production of bespoke compounds and scaled-up processes.
• Academic & R&D: Utilized in university and corporate laboratories for methodological development and discovery chemistry.

Basic Information

Product Name	4-Chloro-2-Chloromethyl-5,6-Dimethyl-Thieno[2,3-D]Pyrimidine
CAS No.	88203-19-4
Molecular Formula	C9H8Cl2N2S
Molecular Weight	247.14 g/mol
Synonyms	4-Chloro-2-(chloromethyl)-5,6-dimethylthieno[2,3-d]pyrimidine; 2-(Chloromethyl)-4-chloro-5,6-dimethylthieno[2,3-d]pyrimidine; Thieno[2,3-d]pyrimidine, 4-chloro-2-(chloromethyl)-5,6-dimethyl-; 5,6-Dimethyl-4-chloro-2-chloromethylthieno[2,3-d]pyrimidine; 88203-19-4; 4-Chloro-2-chloromethyl-5,6-dimethylthieno[2,3-d]pyrimidine
EINECS	Contact for details

Quality Control

Our production of 4-Chloro-2-Chloromethyl-5,6-Dimethyl-Thieno[2,3-D]Pyrimidine adheres to stringent in-process controls and final release testing to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as identity, assay, and impurity profiles. Our quality management system is designed to meet the rigorous demands of GMP-grade intermediates and research applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. For long-term storage, consider using desiccants or storing under an inert atmosphere.

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	≤ 10 ppm
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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