Description

2-(Chloromethyl)-3,5,6,7-tetrahydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one is a high-value, heterocyclic organic compound featuring a fused thienopyrimidine core, which serves as a critical synthetic intermediate in advanced chemical synthesis. This compound is essential for research and development in the pharmaceutical sector, where it is used to construct complex molecular architectures with potential biological activity. It is primarily sought after by medicinal chemists and process development scientists in pharmaceutical R&D and fine chemical manufacturing.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting kinase inhibition or other enzyme-related pathways.
• Medicinal Chemistry Research: Used in structure-activity relationship (SAR) studies and lead optimization for new therapeutic agents.
• Chemical Biology Probes: Serves as a core scaffold for developing tool compounds to study biological processes and disease mechanisms.
• Fine Chemical Synthesis: Intermediate in the multi-step synthesis of complex, high-value specialty chemicals and advanced materials.
• Agrochemical Research: Potential precursor in the development of new active ingredients for crop protection products.

Basic Information

Product Name	2-(Chloromethyl)-3,5,6,7-tetrahydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one
CAS No.	91225-70-6
Molecular Formula	C10H9ClN2OS
Molecular Weight	240.71 g/mol
Synonyms	2-(Chloromethyl)-4-oxo-3,5,6,7-tetrahydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidine; 4H-Cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one, 2-(chloromethyl)-3,5,6,7-tetrahydro-; 2-Chloromethyl-3,5,6,7-tetrahydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one; Cyclopentathienopyrimidinone derivative
EINECS	Contact for details

Quality Control

Our production of 2-(Chloromethyl)-3,5,6,7-tetrahydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity for research applications. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We employ advanced analytical techniques including HPLC, GC, NMR, and MS to validate product specifications, meeting the exacting standards required for pharmaceutical R&D.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials. The container should be kept tightly sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC/IR)	Conforms to reference standard
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Single Unknown Impurity	≤ 1.0%
Residual Solvents (GC)	Complies with ICH guidelines
Loss on Drying	≤ 0.5%

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