Description

Pyrido[3',2':4,5]Thieno[3,2-D]Pyrimidin-4(3H)-One is a high-purity, fused heterocyclic compound of significant interest in advanced organic synthesis. This specialized chemical serves as a critical pharmacophore and building block for the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is essential for research and development teams in the pharmaceutical, agrochemical, and fine chemical industries seeking to create new molecules with targeted biological activity.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of potential kinase inhibitors and other therapeutic agents targeting various disease pathways.
• Agrochemical Research: Used as a core scaffold for developing new classes of herbicides, fungicides, and insecticides with novel modes of action.
• Chemical Biology Probe: Serves as a valuable tool compound for studying enzyme function and protein-ligand interactions in academic and industrial research settings.
• Material Science Research: Investigated as a building block for organic electronic materials due to its complex, electron-rich fused ring system.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for the production of client-specific target molecules.

Basic Information

Item	Detail
Product Name	Pyrido[3',2':4,5]Thieno[3,2-D]Pyrimidin-4(3H)-One
CAS No.	55115-79-2
Molecular Formula	C9H5N3OS
Molecular Weight	203.22 g/mol
Synonyms	4H-Pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-4-one; 4-Oxo-4H-pyrido[3',2':4,5]thieno[3,2-d]pyrimidine; Thieno[2',3':4,5]pyrido[2,3-d]pyrimidin-4(3H)-one; 55115-79-2; Pyridothienopyrimidinone; Fused Thienopyrimidine Derivative
EINECS	Contact for details

Quality Control

Our production of Pyrido[3',2':4,5]Thieno[3,2-D]Pyrimidin-4(3H)-One adheres to stringent in-house quality protocols to ensure batch-to-batch consistency and high purity. All materials are characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles 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 (typically 15-25°C). Due to its hygroscopic nature, the container should be kept tightly sealed in a dry environment to prevent moisture absorption, which may affect stability and handling properties.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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