Description

4-Chloro-2-Ethyl-5,6,7,8-Tetrahydrobenzo[B]Thieno[2,3-D]Pyrimidine, 96% is a high-purity, heterocyclic organic compound that serves as a critical advanced intermediate in modern pharmaceutical synthesis. Its value lies in its defined molecular architecture, which is essential for constructing complex active pharmaceutical ingredients (APIs) with specific biological activity. This product is primarily needed by research institutions and manufacturers in the pharmaceutical and agrochemical industries for the development of novel therapeutic and crop protection agents.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in kinase inhibitor and other targeted therapy research.
• Agrochemical Research: Used in the development of new herbicides and fungicides, leveraging its heterocyclic core for bioactivity.
• Chemical Biology: Serves as a molecular scaffold or probe in the study of enzyme mechanisms and protein-ligand interactions.
• Material Science Research: Potential precursor for the synthesis of organic electronic materials due to its fused ring, sulfur-containing structure.
• Contract Research & Manufacturing (CRO/CMO): Supplied to service organizations supporting outsourced drug discovery and development programs.
• Academic Research: Utilized in university and institutional labs for methodological studies in heterocyclic and medicinal chemistry.

Basic Information

Product Name	4-Chloro-2-Ethyl-5,6,7,8-Tetrahydrobenzo[B]Thieno[2,3-D]Pyrimidine, 96%
CAS No.	401511-17-9
Molecular Formula	C₁₄H₁₅ClN₂S
Molecular Weight	278.80 g/mol
Synonyms	4-Chloro-2-ethyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidine; 4-Chloro-2-ethyl-5,6,7,8-tetrahydrobenzo[b]thieno[2,3-d]pyrimidine; 401511-17-9; Benzo[4,5]thieno[2,3-d]pyrimidine, 4-chloro-5,6,7,8-tetrahydro-2-ethyl-; 2-Ethyl-4-chloro-5,6,7,8-tetrahydrobenzo[b]thieno[2,3-d]pyrimidine
EINECS	Contact for details

Quality Control

Our 4-Chloro-2-Ethyl-5,6,7,8-Tetrahydrobenzo[B]Thieno[2,3-D]Pyrimidine, 96% is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the specified 96% minimum purity and is free from critical impurities. A detailed Certificate of Analysis (COA) documenting all test results is provided with each shipment to guarantee traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 96.0%
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.