Description

1-(Ethylsulfanyl)-4-(2-Methoxyphenyl)-7,8-Dihydro-6H-Cyclopenta[4,5]Thieno[3,2-E][1,2,4]Triazolo[4,3-A]Pyrimidin-5(4H)-One is a high-purity, advanced pharmaceutical intermediate with the CAS registry number 374914-88-2. This compound is a structurally complex heterocyclic molecule designed for the synthesis of novel active pharmaceutical ingredients (APIs) and is critical for research in medicinal chemistry. It is primarily sought after by pharmaceutical R&D laboratories, agrochemical innovators, and specialty chemical manufacturers developing next-generation therapeutic agents.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Medicinal Chemistry Research: Used in lead optimization and structure-activity relationship (SAR) studies to develop new therapeutic molecules.
• Agrochemical Development: Serves as a precursor in the research and development of new crop protection agents and pesticides.
• Chemical Biology Probes: Utilized in the design and creation of molecular probes for studying biological pathways and target validation.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for the production of specialized, high-value compounds.
• Academic & Institutional Research: Used in university and institutional labs for fundamental research in organic and heterocyclic chemistry.

Basic Information

Product Name	1-(Ethylsulfanyl)-4-(2-Methoxyphenyl)-7,8-Dihydro-6H-Cyclopenta[4,5]Thieno[3,2-E][1,2,4]Triazolo[4,3-A]Pyrimidin-5(4H)-One
CAS No.	374914-88-2
Molecular Formula	C19H18N4O2S2
Molecular Weight	398.50 g/mol
Synonyms	1-(Ethylthio)-4-(2-methoxyphenyl)-7,8-dihydro-6H-cyclopenta[4,5]thieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidin-5(4H)-one; 1-(Ethylsulfanyl)-4-(2-methoxyphenyl)-4,5,6,7,8,8a-hexahydrocyclopenta[4,5]thieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidin-5-one; CAS 374914-88-2; Cyclopenta[4,5]thieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidin-5(4H)-one, 1-(ethylthio)-4-(2-methoxyphenyl)-7,8-dihydro-6H-; 374914-88-2; 1-(Ethylsulfanyl)-4-(2-methoxyphenyl)-7,8-dihydro-6H-cyclopenta[4,5]thieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidin-5(4H)-one
EINECS	Contact for details

Quality Control

Our 1-(Ethylsulfanyl)-4-(2-Methoxyphenyl)-7,8-Dihydro-6H-Cyclopenta[4,5]Thieno[3,2-E][1,2,4]Triazolo[4,3-A]Pyrimidin-5(4H)-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all critical quality attributes. Our production adheres to cGMP (current Good Manufacturing Practice) standards where applicable, ensuring reliability for research and development purposes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep the container tightly sealed to protect from moisture. Store away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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