Description

2-Chlorothieno[2,3-D]Pyrimidin-4-Amine is a high-value heterocyclic building block and pharmaceutical intermediate. This compound is essential for medicinal chemistry research and the synthesis of novel active pharmaceutical ingredients (APIs). It is primarily used by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of kinase inhibitors and other targeted therapeutic agents.
• Medicinal Chemistry Research: Serves as a versatile scaffold for constructing compound libraries in drug discovery programs.
• Agrochemical Development: Used in the research and synthesis of novel pesticides and herbicides.
• Organic Synthesis Building Block: Employed in the construction of complex fused heterocyclic systems for material science.
• Chemical Reference Standard: Utilized as a high-purity standard for analytical method development and quality control.

Basic Information

Product Name	2-Chlorothieno[2,3-D]Pyrimidin-4-Amine
CAS No.	56844-22-5
Molecular Formula	C6H4ClN3S
Molecular Weight	185.63 g/mol
Synonyms	2-Chlorothieno[2,3-d]pyrimidin-4-amine; 4-Amino-2-chlorothieno[2,3-d]pyrimidine; 2-Chloro-4-aminothieno[2,3-d]pyrimidine; Thieno[2,3-d]pyrimidin-4-amine, 2-chloro-; 56844-22-5; 2-Chloro-4-aminothieno[2,3-d]pyrimidine; 2-Chloro-4-aminothienopyrimidine; 2-Chloro-4-aminothieno[2,3-d]pyrimidine
EINECS	Contact for details

Quality Control

Our 2-Chlorothieno[2,3-D]Pyrimidin-4-Amine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) is provided with every shipment, detailing all specifications and test results.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. The compound is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 98.0%
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.