Description

7-Bromothieno[3,2-D]Pyrimidin-4(1H)-One is a high-value brominated heterocyclic building block, specifically a thienopyrimidinone derivative, essential for advanced organic synthesis. This compound matters as a critical intermediate for constructing complex molecular architectures, particularly in pharmaceutical research and development. It is primarily needed by medicinal chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for creating novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of potential kinase inhibitors and other biologically active small molecule drug candidates.
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Material Science: Acts as a building block for organic electronic materials, such as organic semiconductors and light-emitting diodes (OLEDs).
• Chemical Biology: Employed in the design and synthesis of molecular probes and tool compounds for target validation and mechanistic studies.
• Academic & Contract Research: Utilized in university and CRO laboratories for method development and exploring new chemical spaces in heterocyclic chemistry.
• Custom Synthesis: A starting material for the contract manufacturing of specialized, high-value fine chemicals and advanced intermediates.

Basic Information

Product Name	7-Bromothieno[3,2-D]Pyrimidin-4(1H)-One
CAS No.	31169-25-2
Molecular Formula	C6H3BrN2OS
Molecular Weight	231.07 g/mol
Synonyms	7-Bromothieno[3,2-d]pyrimidin-4(1H)-one; 7-Bromo-1H-thieno[3,2-d]pyrimidin-4-one; 4H-Thieno[3,2-d]pyrimidin-4-one, 7-bromo-; 7-Bromo-4-hydroxy-thieno[3,2-d]pyrimidine; 7-Bromothieno[3,2-d]pyrimidin-4-ol; 31169-25-2; Thienopyrimidinone bromo derivative
EINECS	Contact for details

Quality Control

Our 7-Bromothieno[3,2-D]Pyrimidin-4(1H)-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) detailing batch-specific results are available upon request to support your quality assurance and regulatory documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.