Description

2,4-Dichloro-6-Ethyl-Thieno[2,3-D]Pyrimidine is a high-value heterocyclic building block of significant importance in advanced organic synthesis. This compound serves as a critical intermediate for the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily sought after by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of kinase inhibitors, antiviral agents, and other small-molecule therapeutics.
• Agrochemical Synthesis: Building block for developing new generations of herbicides, fungicides, and plant growth regulators.
• Material Science Research: Used in the creation of organic electronic materials, such as semiconductors and light-emitting diodes (OLEDs).
• Dye and Pigment Manufacturing: Intermediate for synthesizing specialized heterocyclic dyes and pigments.
• Academic & Contract Research: Serves as a versatile scaffold for medicinal chemistry and methodology development in research laboratories.
• Custom Synthesis: Foundation for the contract manufacturing of proprietary compounds and advanced intermediates.

Basic Information

Product Name	2,4-Dichloro-6-Ethyl-Thieno[2,3-D]Pyrimidine
CAS No.	87478-74-8
Molecular Formula	C8H6Cl2N2S
Molecular Weight	233.12 g/mol
Synonyms	6-Ethyl-2,4-dichlorothieno[2,3-d]pyrimidine; Thieno[2,3-d]pyrimidine, 2,4-dichloro-6-ethyl-; 2,4-Dichloro-6-ethylthieno[2,3-d]pyrimidine; 87478-74-8; 6-Ethyl-2,4-dichloro-thieno[2,3-d]pyrimidine
EINECS	Contact for details

Quality Control

Every batch of 2,4-Dichloro-6-Ethyl-Thieno[2,3-D]Pyrimidine is manufactured under strict quality management systems. We provide comprehensive analytical documentation to ensure traceability and consistency for your critical synthesis workflows. A detailed Certificate of Analysis (COA) confirming identity, purity, and impurity profile is supplied with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.