Description

3-Ethyl-9-Hydroxy-2-Methyl-4H-Pyrido[1,2-A]Pyrimidin-4-One is a high-purity heterocyclic organic compound with a fused pyridine-pyrimidinone structure, serving as a critical advanced intermediate in modern synthetic chemistry. Its unique molecular framework makes it a valuable building block for the development of novel active pharmaceutical ingredients (APIs) and specialty fine chemicals. This compound is essential for research and production teams in the pharmaceutical, agrochemical, and advanced material sectors seeking to innovate and synthesize complex molecules with specific biological or functional properties.

Application

• Pharmaceutical Intermediate: A key synthon in the research and synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing specific receptor-binding activities.
• Agrochemical Research: Used as a precursor in developing new-generation pesticides, herbicides, or plant growth regulators due to its bioactive heterocyclic core.
• Fine Chemical Synthesis: Employed in custom synthesis and contract manufacturing for producing complex, high-value specialty chemicals.
• Academic & Industrial R&D: Serves as a standard or starting material in medicinal chemistry programs and process development for scaling novel compounds.
• Material Science Precursor: Potential use in synthesizing organic ligands or functional molecules for advanced materials, such as organic semiconductors or sensors.

Basic Information

Product Name	3-Ethyl-9-Hydroxy-2-Methyl-4H-Pyrido[1,2-A]Pyrimidin-4-One
CAS No.	70381-48-5
Molecular Formula	C11H12N2O2
Molecular Weight	204.23 g/mol
Synonyms	3-Ethyl-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one; 9-Hydroxy-3-ethyl-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one; 4H-Pyrido[1,2-a]pyrimidin-4-one, 3-ethyl-9-hydroxy-2-methyl-; 70381-48-5; Pyrido[1,2-a]pyrimidin-4-one derivative
EINECS	Contact for details

Quality Control

Our production of 3-Ethyl-9-Hydroxy-2-Methyl-4H-Pyrido[1,2-A]Pyrimidin-4-One adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. The material is characterized and released against comprehensive specifications, including identity confirmation by spectroscopic methods and purity determination by HPLC. A Certificate of Analysis (COA) detailing all relevant parameters is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow 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.