Description

4-Oxo-1,9A-Dihydro-4H-Pyrimido[1,2-A]Pyrimidine-3-Carboxylic Acid Ethyl Ester is a high-purity heterocyclic building block of significant interest in advanced organic synthesis. This compound serves as a critical intermediate for the development of novel pharmaceutical agents and bioactive molecules. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of potential drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products, leveraging its heterocyclic core structure.
• Fine Chemical Synthesis: Employed as a versatile building block for creating complex heterocyclic compounds in custom synthesis and process development.
• Academic & R&D: Utilized in university and corporate research laboratories for methodological studies and the discovery of new chemical entities.
• Material Science: Investigated for the preparation of specialty chemicals and functional materials with specific electronic or photophysical properties.

Basic Information

Product Name	4-Oxo-1,9A-Dihydro-4H-Pyrimido[1,2-A]Pyrimidine-3-Carboxylic Acid Ethyl Ester
CAS No.	40519-95-7
Molecular Formula	C11H11N3O3
Molecular Weight	233.22 g/mol
Synonyms	Ethyl 4-oxo-1,9a-dihydro-4H-pyrimido[1,2-a]pyrimidine-3-carboxylate; 4H-Pyrimido[1,2-a]pyrimidine-3-carboxylic acid, 1,9a-dihydro-4-oxo-, ethyl ester; Pyrimido[1,2-a]pyrimidine-3-carboxylic acid derivative; 40519-95-7; Ethyl 1,9a-dihydro-4-oxo-4H-pyrimido[1,2-a]pyrimidine-3-carboxylate
EINECS	Contact for details

Quality Control

Our 4-Oxo-1,9A-Dihydro-4H-Pyrimido[1,2-A]Pyrimidine-3-Carboxylic Acid Ethyl Ester 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. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee compliance with your research and production requirements.

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 such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.