Description

4-Chloro-6-Propylthieno[2,3-D]Pyrimidine is a high-value heterocyclic building block and advanced pharmaceutical intermediate. This compound is critical for the synthesis of novel active ingredients, particularly in medicinal chemistry and agrochemical research. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, biotechnology, and crop protection industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of kinase inhibitors and other targeted therapeutic agents.
• Agrochemical Research: Used in the development of new herbicides and fungicides with novel modes of action.
• Chemical Biology: Serves as a core scaffold for designing molecular probes and tool compounds in drug discovery.
• Organic Synthesis: A versatile precursor for further functionalization via cross-coupling and nucleophilic substitution reactions.
• Material Science: Potential precursor for the development of organic electronic materials and ligands for catalysis.

Basic Information

Product Name	4-Chloro-6-Propylthieno[2,3-D]Pyrimidine
CAS No.	439692-82-7
Molecular Formula	C9H9ClN2S
Molecular Weight	212.70 g/mol
Synonyms	4-Chloro-6-propylthieno[2,3-d]pyrimidine; Thieno[2,3-d]pyrimidine, 4-chloro-6-propyl-; 6-Propyl-4-chlorothieno[2,3-d]pyrimidine; 4-Chloro-6-propyl-thieno[2,3-d]pyrimidine; 439692-82-7; 4-Chloro-6-propylthieno[2,3-d]pyrimidine; 4-Chloro-6-propyl-thieno[2,3-d]pyrimidine
EINECS	Contact for details

Quality Control

Our 4-Chloro-6-Propylthieno[2,3-D]Pyrimidine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with every shipment, confirming compliance with customer specifications and supporting regulatory filings for research and development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). The compound is light-sensitive (store away from light) and should be handled under an inert atmosphere for long-term stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Single Unknown Impurity	≤ 0.5%
Residual Solvents (GC)	Complies with ICH Q3C
Water Content (KF)	≤ 0.5%

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