Description

3-Allyl-5-(4-Fluoro-Phenyl)-2-Mercapto-3H-Thieno[2,3-D]Pyrimidin-4-One is a high-purity, advanced pharmaceutical intermediate belonging to the thienopyrimidinone class of heterocyclic compounds. Its molecular structure, featuring a thienopyrimidine core with an allyl group and a fluorinated phenyl ring, makes it a critical building block for the synthesis of novel active pharmaceutical ingredients (APIs). This compound is essential for research and development teams in the pharmaceutical and agrochemical sectors seeking to develop new therapeutic agents or crop protection solutions with enhanced properties.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of potential kinase inhibitors and other targeted small-molecule drugs.
• Agrochemical Research: Used in the development of new herbicides and fungicides, leveraging its heterocyclic scaffold for bioactivity.
• Chemical Biology & Proteomics: Acts as a versatile scaffold or a functional handle for creating chemical probes to study biological pathways.
• Material Science Research: Investigated as a monomer or additive for creating specialty polymers with unique electronic or optical properties.
• Academic & Contract Research: Employed in university and CRO laboratories for medicinal chemistry programs and structure-activity relationship (SAR) studies.

Basic Information

Product Name	3-Allyl-5-(4-Fluoro-Phenyl)-2-Mercapto-3H-Thieno[2,3-D]Pyrimidin-4-One
CAS No.	307341-18-0
Molecular Formula	C15H11FN2OS2
Molecular Weight	318.39 g/mol
Synonyms	3-Allyl-5-(4-fluorophenyl)-2-sulfanylidene-1,3-dihydrothieno[2,3-d]pyrimidin-4-one; 3-Allyl-5-(p-fluorophenyl)-2-mercapto-3H-thieno[2,3-d]pyrimidin-4-one; 4H-Thieno[2,3-d]pyrimidin-4-one, 3-allyl-5-(4-fluorophenyl)-2,3-dihydro-2-thioxo-; Thieno[2,3-d]pyrimidin-4(3H)-one, 3-allyl-5-(4-fluorophenyl)-2-mercapto-; 307341-18-0; 3-Allyl-5-(4-fluoro-phenyl)-2-mercapto-3H-thieno[2,3-d]pyrimidin-4-one
EINECS	Contact for details

Quality Control

Our production of 3-Allyl-5-(4-Fluoro-Phenyl)-2-Mercapto-3H-Thieno[2,3-D]Pyrimidin-4-One adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis. We provide a detailed Certificate of Analysis (COA) with each shipment, ensuring full traceability and compliance with your research or cGMP starting material requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound is easily oxidized and should be handled under an inert atmosphere for long-term storage or when opening the primary container. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	Meets ICH Q3C guidelines

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