Description

3-Ethyl-6,7,8,9-Tetrahydro-9-Hydroxy-2-Methyl-4H-Pyrido[1,2-A]Pyrimidin-4-One is a high-purity, complex heterocyclic compound that serves as a critical advanced intermediate in modern organic synthesis. Its unique fused pyrido-pyrimidinone structure makes it a valuable building block for pharmaceutical research and development, particularly in the creation of novel active pharmaceutical ingredients (APIs). This compound is essential for R&D chemists and process development scientists working in medicinal chemistry, agrochemicals, and fine chemical manufacturing who require reliable, high-quality intermediates to drive innovation.

Application

• Pharmaceutical Intermediate: A key synthon for the research and synthesis of novel drug candidates, particularly in central nervous system (CNS) and anti-infective therapeutic areas.
• Medicinal Chemistry Research: Used as a core scaffold or building block in structure-activity relationship (SAR) studies and library synthesis for high-throughput screening.
• Agrochemical Development: Serves as a precursor in the synthesis of advanced, high-performance crop protection agents and pesticides.
• Fine Chemical Synthesis: Employed in custom synthesis and contract manufacturing for producing specialized, high-value chemical entities.
• Academic & Institutional R&D: Utilized in universities and research institutes for investigating new heterocyclic chemistry and reaction methodologies.
• Process Chemistry Optimization: Acts as a standard or reference material for scaling up and optimizing synthetic routes in pilot plants.

Basic Information

Product Name	3-Ethyl-6,7,8,9-Tetrahydro-9-Hydroxy-2-Methyl-4H-Pyrido[1,2-A]Pyrimidin-4-One
CAS No.	849903-79-3
Molecular Formula	C13H18N2O2
Molecular Weight	234.30 g/mol
Synonyms	9-Hydroxy-2-methyl-3-ethyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one; 3-Ethyl-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one; Pyrido[1,2-a]pyrimidin-4-one, 3-ethyl-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-; 849903-79-3; SCHEMBL21806227; ZINC000253899793; AKOS025147065; BDBM50389357
EINECS	Contact for details

Quality Control

Our 3-Ethyl-6,7,8,9-Tetrahydro-9-Hydroxy-2-Methyl-4H-Pyrido[1,2-A]Pyrimidin-4-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and development applications. We provide full traceability and Certificates of Analysis (COA) are available for every shipment upon request.

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 away from incompatible materials. For long-term storage, consider under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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