Description

3-Methyl-2-(Prop-2-Yn-1-Ylthio)-5,6,7,8-Tetrahydrobenzo[4,5]Thieno[2,3-D]Pyrimidin-4(3H)-One is a sophisticated heterocyclic compound featuring a fused benzo[4,5]thieno[2,3-d]pyrimidinone core, which serves as a key advanced intermediate in modern organic synthesis. Its molecular architecture, incorporating a propynylthio side chain, makes it a versatile building block for constructing complex pharmacologically active molecules. This high-purity intermediate is essential for research and development chemists in the pharmaceutical and agrochemical industries, particularly those focused on kinase inhibitors and other targeted therapeutic agents.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, especially those targeting specific kinase pathways for oncology and inflammatory diseases.
• Agrochemical Research: Used as a building block for developing new active ingredients with potential herbicidal or fungicidal properties.
• Chemical Biology Probe Development: Serves as a core scaffold for creating molecular probes to study enzyme function and cellular signaling pathways.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex polyheterocyclic systems due to its reactive functional groups.
• Material Science Research: Investigated as a potential monomer or precursor for specialty polymers and advanced organic electronic materials.

Basic Information

Product Name	3-Methyl-2-(Prop-2-Yn-1-Ylthio)-5,6,7,8-Tetrahydrobenzo[4,5]Thieno[2,3-D]Pyrimidin-4(3H)-One
CAS No.	337349-66-3
Molecular Formula	C15H14N2OS2
Molecular Weight	302.41 g/mol
Synonyms	3-Methyl-2-(prop-2-yn-1-ylthio)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one; 3-Methyl-2-(2-propynylthio)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one; 2-(Prop-2-yn-1-ylthio)-3-methyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidine; Benzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one, 5,6,7,8-tetrahydro-3-methyl-2-(2-propynylthio)-; CAS 337349-66-3
EINECS	Contact for details

Quality Control

Our production of 3-Methyl-2-(Prop-2-Yn-1-Ylthio)-5,6,7,8-Tetrahydrobenzo[4,5]Thieno[2,3-D]Pyrimidin-4(3H)-One adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity suitable for research and development applications. Certificates of Analysis (COA) are provided with each shipment, detailing key parameters such as assay purity and impurity profiles. Our quality management system is designed to meet the exacting standards required for advanced pharmaceutical intermediates.

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 the container tightly sealed when not in use to protect from moisture. For long-term storage, consider storage under an inert atmosphere.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0% Any single impurity ≤ 1.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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