Description

2,4-Dichloro-5-Methyl-Thieno[2,3-D]Pyrimidine is a high-purity, heterocyclic organic compound that serves as a critical advanced intermediate in modern chemical synthesis. Its unique fused thienopyrimidine structure makes it a valuable building block for the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. This compound is essential for research and manufacturing organizations in the pharmaceutical, agrochemical, and specialty chemical sectors seeking to develop new products with enhanced properties.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug candidates, particularly those targeting various therapeutic areas.
• Agrochemical Synthesis: Used in the research and production of new-generation herbicides, fungicides, and insecticides.
• Material Science Research: Serves as a building block for creating novel organic electronic materials or ligands for catalysis.
• Chemical Research & Development: Employed in academic and industrial R&D for exploring new heterocyclic chemistry and reaction pathways.
• Custom Synthesis: A starting material for contract manufacturing organizations (CMOs) producing bespoke compounds for client projects.

Basic Information

Product Name	2,4-Dichloro-5-Methyl-Thieno[2,3-D]Pyrimidine
CAS No.	56844-38-3
Molecular Formula	C7H4Cl2N2S
Molecular Weight	219.09 g/mol
Synonyms	5-Methyl-2,4-dichlorothieno[2,3-d]pyrimidine; 2,4-Dichloro-5-methylthieno[2,3-d]pyrimidine; Thieno[2,3-d]pyrimidine, 2,4-dichloro-5-methyl-; 56844-38-3; 5-Methyl-2,4-dichloro-thieno[2,3-d]pyrimidine
EINECS	Contact for details

Quality Control

Our 2,4-Dichloro-5-Methyl-Thieno[2,3-D]Pyrimidine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for advanced synthetic applications. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.