Description

4H-Cyclopenta[4,5]Thieno[2,3-D]Pyrimidin-4-One,3,5,6,7-Tetrahydro-3-Hydroxy-2-Methyl-(9Ci) is a high-purity, complex heterocyclic compound that serves as a critical advanced intermediate in modern organic synthesis. This compound matters for its role in constructing sophisticated molecular architectures, particularly in the development of novel active pharmaceutical ingredients (APIs) and functional materials. It is primarily needed by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and specialty chemical sectors for lead optimization and process development.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting kinase inhibition or other enzyme-related pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides that require complex fused-ring systems for bioactivity.
• Material Science Precursor: Serves as a precursor for organic electronic materials, such as components for OLEDs or conductive polymers, due to its fused thieno-pyrimidine structure.
• Chemical Biology Probe: Utilized in academic and industrial research to create molecular probes for studying biological processes and protein interactions.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific custom synthesis projects.
• Library Synthesis for HTS: Employed in the generation of diverse compound libraries for high-throughput screening (HTS) in drug discovery campaigns.

Basic Information

Product Name	4H-Cyclopenta[4,5]Thieno[2,3-D]Pyrimidin-4-One,3,5,6,7-Tetrahydro-3-Hydroxy-2-Methyl-(9Ci)
CAS No.	674803-86-2
Molecular Formula	C10H10N2O2S
Molecular Weight	222.26 g/mol
Synonyms	3-Hydroxy-2-methyl-3,5,6,7-tetrahydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one; 2-Methyl-3-hydroxy-4,5,6,7-tetrahydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one; 4H-Cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one, 3,5,6,7-tetrahydro-3-hydroxy-2-methyl-; Tetrahydro-hydroxy-methyl-cyclopentathienopyrimidinone; CAS 674803-86-2
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management protocols, ensuring batch-to-batch consistency and high purity suitable for research and development applications. While typically supplied in laboratory or development grades, specifications can be tailored to meet project-specific requirements. A comprehensive Certificate of Analysis (COA) detailing identity, purity (typically by HPLC), and impurity profile is provided with each shipment to support your quality and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). The compound may be light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
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.