Description

4-Chloro-7-Ethyl-5,6,7,8-Tetrahydropyrido-[4',3':4,5]Thieno[2,3-D]Pyrimidine is a high-purity, advanced pharmaceutical intermediate with a complex heterocyclic structure. This compound is critical for research and development in medicinal chemistry, serving as a key building block for novel therapeutic agents. It is primarily sought by pharmaceutical R&D laboratories and fine chemical manufacturers engaged in the synthesis of targeted small molecule drugs.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of targeted kinase inhibitors and other biologically active molecules.
• Medicinal Chemistry Research: Used as a core scaffold for structure-activity relationship (SAR) studies and lead optimization in drug discovery programs.
• Biochemical Tool Compound: Serves as a reference standard or probe in enzymatic and cellular assays to study specific biological pathways.
• Fine Chemical Synthesis: Employed in multi-step organic syntheses to construct complex molecular architectures for advanced material or agrochemical research.

Basic Information

Product Name	4-Chloro-7-Ethyl-5,6,7,8-Tetrahydropyrido-[4',3':4,5]Thieno[2,3-D]Pyrimidine
CAS No.	874801-57-7
Molecular Formula	C12H12ClN3S
Molecular Weight	265.76 g/mol
Synonyms	4-Chloro-7-ethyl-5,6,7,8-tetrahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidine; 7-Ethyl-4-chloro-5,6,7,8-tetrahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidine; 874801-57-7; Thienopyridopyrimidine derivative; Pyridothienopyrimidine intermediate
EINECS	Contact for details

Quality Control

Our production of 4-Chloro-7-Ethyl-5,6,7,8-Tetrahydropyrido-[4',3':4,5]Thieno[2,3-D]Pyrimidine adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via NMR and mass spectrometry, to ensure it meets the exacting standards required for pharmaceutical R&D. A detailed Certificate of Analysis (COA) is provided with every shipment.

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 the container tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Water Content (KF)	≤ 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.