Description

4-Chloro-2-Pyridin-3-Yl-5,6,7,8-Tetrahydro[1]Benzothieno[2,3-D]Pyrimidine is a high-value, complex heterocyclic compound that serves as a critical building block in advanced organic synthesis. Its fused polycyclic structure makes it an essential intermediate for developing novel active pharmaceutical ingredients (APIs) and functional materials. This compound is primarily sought by research and development teams in the pharmaceutical, agrochemical, and specialty chemical industries for creating new molecular entities with targeted biological activity.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly for kinase inhibitors and other targeted therapies.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and pesticides with specific modes of action.
• Chemical Biology Probe: Serves as a scaffold for designing molecular probes to study enzyme function and cellular pathways.
• Material Science: Potential building block for organic electronic materials due to its conjugated, electron-rich heterocyclic system.
• Contract Research & Development (CRO/CMO): Supplied to organizations specializing in custom synthesis and process development for clients.
• Academic Research: Utilized in university and institutional labs for methodological studies in heterocyclic and medicinal chemistry.

Basic Information

Item	Details
Product Name	4-Chloro-2-Pyridin-3-Yl-5,6,7,8-Tetrahydro[1]Benzothieno[2,3-D]Pyrimidine
CAS No.	128277-24-7
Molecular Formula	C17H14ClN3S
Molecular Weight	327.83 g/mol
Synonyms	4-Chloro-2-(3-pyridinyl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine; 4-Chloro-2-(pyridin-3-yl)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidine; 128277-24-7; 4-Chloro-2-(3-pyridyl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine; Tetrahydrobenzothienopyrimidine derivative
EINECS	Contact for details

Quality Control

Our production of 4-Chloro-2-Pyridin-3-Yl-5,6,7,8-Tetrahydro[1]Benzothieno[2,3-D]Pyrimidine adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is fully characterized and undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment, supporting your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep the container sealed to protect this light-sensitive material from moisture and atmospheric contaminants.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
Purity (HPLC)	≥ 97.0%
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.