Description

2-Chloromethyl-5-Phenyl-3H-Thieno[2,3-D]Pyrimidin-4-One is a high-value heterocyclic building block and key synthetic intermediate. This compound matters for its role in constructing complex molecular architectures, particularly in advanced pharmaceutical research and development. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, particularly those targeting kinase inhibition and other therapeutic pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its fused thienopyrimidine core.
• Material Science: Acts as a building block for organic electronic materials, such as semiconductors and light-emitting compounds, due to its conjugated system.
• Chemical Biology: Employed in the design and synthesis of molecular probes and tool compounds for studying biological mechanisms.
• Custom Synthesis: A versatile starting material for contract research organizations (CROs) and CDMOs performing bespoke chemical synthesis for clients.
• Academic Research: Utilized in university and institutional labs for methodological development and exploring new chemical reactions involving halogenated heterocycles.

Basic Information

Product Name	2-Chloromethyl-5-Phenyl-3H-Thieno[2,3-D]Pyrimidin-4-One
CAS No.	89567-07-7
Molecular Formula	C13H9ClN2OS
Molecular Weight	276.74 g/mol
Synonyms	4H-Thieno[2,3-d]pyrimidin-4-one, 2-(chloromethyl)-5-phenyl-; 2-(Chloromethyl)-5-phenyl-4H-thieno[2,3-d]pyrimidin-4-one; 5-Phenyl-2-chloromethyl-4H-thieno[2,3-d]pyrimidin-4-one; 2-Chloromethyl-5-phenylthieno[2,3-d]pyrimidin-4(3H)-one; Thieno[2,3-d]pyrimidin-4-one, 2-(chloromethyl)-5-phenyl-
EINECS	Contact for details

Quality Control

Our 2-Chloromethyl-5-Phenyl-3H-Thieno[2,3-D]Pyrimidin-4-One is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and development applications. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available upon request.

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 heat, sparks, and open flame. Due to its light-sensitive nature, handling should be performed under subdued lighting where practical.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.