Description

3-Amino-2,6-Dimethyl-5-Phenylthieno[2,3-D]Pyrimidin-4(3H)-One is a high-purity, heterocyclic organic compound belonging to the thienopyrimidine class, serving as a critical advanced pharmaceutical intermediate. Its value lies in its role as a sophisticated building block for the synthesis of novel active pharmaceutical ingredients (APIs) with targeted therapeutic effects. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new drug candidates and high-value fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly in oncology and central nervous system (CNS) therapeutic areas.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its heterocyclic core for biological activity.
• Material Science: Investigated as a building block for organic electronic materials, such as organic semiconductors or light-emitting diodes (OLEDs).
• Biochemical Tool Compound: Serves as a scaffold or inhibitor in biochemical assays and proteomics research to study enzyme function and signal transduction pathways.
• Fine Chemical Synthesis: Employed in custom synthesis and contract manufacturing for producing complex, high-value specialty chemicals.

Basic Information

Product Name	3-Amino-2,6-Dimethyl-5-Phenylthieno[2,3-D]Pyrimidin-4(3H)-One
CAS No.	43088-53-5
Molecular Formula	C₁₄H₁₃N₃OS
Molecular Weight	271.34 g/mol
Synonyms	3-Amino-2,6-dimethyl-5-phenylthieno[2,3-d]pyrimidin-4-one; 3-Amino-2,6-dimethyl-5-phenyl-4H-thieno[2,3-d]pyrimidin-4-one; 4(3H)-Thieno[2,3-d]pyrimidinone, 3-amino-2,6-dimethyl-5-phenyl-; Thieno[2,3-d]pyrimidine derivative; 43088-53-5; 5-Phenyl-3-amino-2,6-dimethylthieno[2,3-d]pyrimidin-4(3H)-one
EINECS	Contact for details

Quality Control

Our 3-Amino-2,6-Dimethyl-5-Phenylthieno[2,3-D]Pyrimidin-4(3H)-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, IR, MS), to ensure it meets the high standards required for pharmaceutical R&D. Certificates of Analysis (COA) detailing all specifications and test results are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider storage under an inert atmosphere to ensure maximum stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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