Description

Ethyl4-Chlorothieno[3,2-D]Pyrimidine-6-Carboxylate is a high-purity, advanced pharmaceutical intermediate belonging to the thienopyrimidine class of heterocyclic compounds. This compound is a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for targeted therapies. It is essential for research and development chemists and manufacturers in the pharmaceutical and agrochemical industries seeking to develop new drug candidates with specific biological activities.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of kinase inhibitors and other small-molecule drug candidates targeting various disease pathways.
• Agrochemical Research: Used in the development of new herbicides and fungicides, leveraging its heterocyclic structure for bioactivity.
• Chemical Biology & Medicinal Chemistry: Serves as a versatile scaffold for structure-activity relationship (SAR) studies and library synthesis in drug discovery programs.
• Organic Synthesis: Employed as a specialized reagent for constructing complex fused-ring systems in academic and industrial research settings.

Basic Information

Product Name	Ethyl4-Chlorothieno[3,2-D]Pyrimidine-6-Carboxylate
CAS No.	596794-87-5
Molecular Formula	C9H7ClN2O2S
Molecular Weight	242.68 g/mol
Synonyms	Ethyl 4-Chlorothieno[3,2-d]pyrimidine-6-carboxylate; 4-Chloro-6-(ethoxycarbonyl)thieno[3,2-d]pyrimidine; Thieno[3,2-d]pyrimidine-6-carboxylic acid, 4-chloro-, ethyl ester; 596794-87-5; Ethyl 4-chlorothieno[3,2-d]pyrimidine-6-carboxylate; 4-Chlorothieno[3,2-d]pyrimidine-6-carboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Our Ethyl4-Chlorothieno[3,2-D]Pyrimidine-6-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep the container tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 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.