Description

2-Mercapto-5-(4-Methoxy-Phenyl)-3-Phenyl-3H-Thieno[2,3-D]Pyrimidin-4-One is a high-purity, specialized heterocyclic compound that serves as a critical building block in advanced organic synthesis. Its unique fused thienopyrimidinone structure makes it a valuable intermediate for developing novel active pharmaceutical ingredients (APIs) and functional materials. This product is essential for research and development chemists in the pharmaceutical, agrochemical, and material science industries seeking to create new molecules with targeted properties.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly for therapeutic areas requiring complex heterocyclic scaffolds.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its bioactive core structure.
• Material Science: Serves as a building block for organic electronic materials, such as semiconductors or light-emitting components, due to its conjugated system.
• Chemical Biology: Employed as a probe or linker in bioconjugation and the study of biological pathways.
• Academic & Industrial R&D: Fundamental reagent for methodological development and exploration of new chemical reactions in organic chemistry.

Basic Information

Item	Details
Product Name	2-Mercapto-5-(4-Methoxy-Phenyl)-3-Phenyl-3H-Thieno[2,3-D]Pyrimidin-4-One
CAS No.	296899-20-2
Molecular Formula	C19H14N2O2S2
Molecular Weight	374.46 g/mol
Synonyms	2-Mercapto-5-(4-methoxyphenyl)-3-phenyl-3H-thieno[2,3-d]pyrimidin-4-one; 3H-Thieno[2,3-d]pyrimidin-4-one, 2-mercapto-5-(4-methoxyphenyl)-3-phenyl-; 296899-20-2; Thieno[2,3-d]pyrimidin-4-one derivative; 5-(4-Methoxyphenyl)-2-mercapto-3-phenyl-3H-thieno[2,3-d]pyrimidin-4-one
EINECS	Contact for details

Quality Control

Every batch of 2-Mercapto-5-(4-Methoxy-Phenyl)-3-Phenyl-3H-Thieno[2,3-D]Pyrimidin-4-One is manufactured under strict quality management systems. Our products undergo rigorous analytical testing, including HPLC, NMR, and MS, to ensure high purity and consistent batch-to-batch quality suitable for demanding R&D and scale-up processes. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place at a controlled room temperature (15-25°C). This compound is easily oxidized; prolonged exposure to air should be avoided. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
Purity (HPLC)	≥ 97.0%
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.