Description

4-Chloro-2-[2-Phenylvinyl]-5,6,7,8-Tetrahydro[1]Benzothieno[2,3-D]Pyrimidine is a high-purity, advanced pharmaceutical intermediate with a complex heterocyclic structure. This compound matters as a critical building block in the synthesis of novel, biologically active molecules, offering researchers and manufacturers a reliable and well-characterized starting material. It is primarily needed by R&D chemists and process development teams in the pharmaceutical, agrochemical, and fine chemical industries for drug discovery and development programs.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of potential kinase inhibitors and other targeted therapeutic agents.
• Medicinal Chemistry Research: Used as a core scaffold for constructing compound libraries in high-throughput screening and structure-activity relationship (SAR) studies.
• Agrochemical Development: Acts as a building block for creating novel active ingredients with herbicidal or pesticidal properties.
• Organic Synthesis: Employed in academic and industrial laboratories for methodological development and the synthesis of complex heterocyclic systems.
• Biochemical Tool Compound: Potential use in developing probes for studying biological pathways and enzyme functions.

Basic Information

Item	Detail
Product Name	4-Chloro-2-[2-Phenylvinyl]-5,6,7,8-Tetrahydro[1]Benzothieno[2,3-D]Pyrimidine
CAS No.	101130-32-9
Molecular Formula	C20H17ClN2S
Molecular Weight	352.88 g/mol
Synonyms	4-Chloro-2-styryl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine; 4-Chloro-2-(2-phenylethenyl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine; 2-Styryl-4-chloro-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine; 4-Chloro-2-(E)-styryl-5,6,7,8-tetrahydrothieno[2',3':4,5]thieno[2,3-d]pyrimidine; THTP-CP; CAS 101130-32-9
EINECS	Contact for details

Quality Control

Our 4-Chloro-2-[2-Phenylvinyl]-5,6,7,8-Tetrahydro[1]Benzothieno[2,3-D]Pyrimidine is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided with each shipment 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 place at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline 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.