Description

3-Benzyl-2-Sulfanyl-3,5,6,7-Tetrahydro-4H-Cyclopenta[4,5]Thieno[2,3-D]Pyrimidin-4-One is a high-value, heterocyclic organic compound that serves as a critical synthetic intermediate and pharmacophore in advanced research and development. Its complex fused-ring structure containing thienopyrimidine and cyclopentane motifs makes it a versatile building block for creating novel molecular entities. This compound is primarily sought after by pharmaceutical R&D teams and fine chemical manufacturers engaged in developing new therapeutic agents and high-performance specialty chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel kinase inhibitors and other targeted small-molecule drug candidates.
• Chemical Biology Research: Used as a core scaffold or probe in medicinal chemistry for structure-activity relationship (SAR) studies.
• Agrochemical Development: Serves as a building block for creating new active ingredients with potential herbicidal or pesticidal properties.
• Material Science Research: Investigated as a monomer or additive for developing advanced organic electronic materials due to its conjugated system.
• Academic & Contract Research: Essential reagent for universities and CROs (Contract Research Organizations) exploring new heterocyclic chemistry and bioactivity.

Basic Information

Product Name	3-Benzyl-2-Sulfanyl-3,5,6,7-Tetrahydro-4H-Cyclopenta[4,5]Thieno[2,3-D]Pyrimidin-4-One
CAS No.	351342-01-3
Molecular Formula	C16H14N2OS2
Molecular Weight	314.42 g/mol
Synonyms	3-Benzyl-2-mercapto-3,5,6,7-tetrahydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one; 3-Benzyl-2-thioxo-2,3-dihydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one; 351342-01-3; Cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one, 3-benzyl-2,3-dihydro-2-thioxo-; 3-Benzyl-2-sulfanyl-3,5,6,7-tetrahydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one
EINECS	Contact for details

Quality Control

Our production of 3-Benzyl-2-Sulfanyl-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 and development applications. Each lot is fully characterized and undergoes rigorous analytical testing. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your regulatory and R&D documentation needs.

Storage

Preserve in a tightly closed container, protected from light. For long-term storage, keep under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place at 2-8°C. The compound is easily oxidized and light-sensitive. Allow the sealed container to reach room temperature before opening to minimize moisture condensation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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