Description

5-Bromo-4-Chlorothieno[2,3-D]Pyrimidine is a high-purity, heterocyclic organic building block of significant importance in advanced chemical synthesis. This compound serves as a critical intermediate for the development of novel active pharmaceutical ingredients (APIs) and functional materials. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and material science sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of kinase inhibitors and other targeted therapeutic agents.
• Agrochemical Research: Used in the development of new herbicides and fungicides with novel modes of action.
• Material Science: Serves as a building block for organic semiconductors and photoactive materials.
• Chemical Biology: Employed in the design of molecular probes and enzyme inhibitors for biological studies.
• Custom Synthesis: A versatile starting material for contract research organizations (CROs) and CDMOs for client-specific projects.

Basic Information

Product Name	5-Bromo-4-Chlorothieno[2,3-D]Pyrimidine
CAS No.	814918-95-1
Molecular Formula	C6H2BrClN2S
Molecular Weight	249.52 g/mol
Synonyms	5-Bromo-4-chlorothieno[2,3-d]pyrimidine; Thieno[2,3-d]pyrimidine, 5-bromo-4-chloro-; 4-Chloro-5-bromothieno[2,3-d]pyrimidine; 5-Bromo-4-chloro-thieno[2,3-d]pyrimidine; 814918-95-1; 5-Br-4-Cl-thieno[2,3-d]pyrimidine
EINECS	Contact for details

Quality Control

Our 5-Bromo-4-Chlorothieno[2,3-D]Pyrimidine is manufactured under strict quality management systems. Every 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 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 room temperature (15-25°C). Keep away from incompatible materials.

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.