Description

2-Chloromethyl-5,6-Dimethyl-3H-Thieno[2,3-D]Pyrimidin-4-One is a high-value heterocyclic building block and advanced pharmaceutical intermediate. This compound matters for its role as a key precursor in the synthesis of complex molecules, particularly in medicinal chemistry. It is primarily needed by research institutions and pharmaceutical companies engaged in the development of novel therapeutic agents, especially those targeting specific enzymatic pathways.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of active pharmaceutical ingredients (APIs) with potential therapeutic applications.
• Medicinal Chemistry Research: Used in lead optimization and structure-activity relationship (SAR) studies for drug discovery programs.
• Chemical Synthesis: Serves as a versatile scaffold for constructing more complex fused heterocyclic systems.
• Agrochemical Development: Potential intermediate in the research and development of new crop protection agents.
• Academic Research: Utilized in universities and research institutes for studying heterocyclic chemistry and reaction mechanisms.

Basic Information

Product Name	2-Chloromethyl-5,6-Dimethyl-3H-Thieno[2,3-D]Pyrimidin-4-One
CAS No.	89567-05-5
Molecular Formula	C9H9ClN2OS
Molecular Weight	228.70 g/mol
Synonyms	2-(Chloromethyl)-5,6-dimethyl-3H-thieno[2,3-d]pyrimidin-4-one; 5,6-Dimethyl-2-(chloromethyl)thieno[2,3-d]pyrimidin-4(3H)-one; 2-Chloromethyl-5,6-dimethylthieno[2,3-d]pyrimidin-4(3H)-one; Thieno[2,3-d]pyrimidin-4-one, 2-(chloromethyl)-5,6-dihydro-5,6-dimethyl-; CAS 89567-05-5
EINECS	Contact for details

Quality Control

Our 2-Chloromethyl-5,6-Dimethyl-3H-Thieno[2,3-D]Pyrimidin-4-One is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay (HPLC), related substances, and residual solvents are available upon request to support your quality assurance and regulatory 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 storage under an inert atmosphere to ensure product stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
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.