Description

4-Oxo-4H-Pyrido[1,2-A]Pyrimidine-2-Carboxylic Acid Hydrochloride is a high-purity organic salt compound that serves as a critical advanced intermediate in modern synthetic chemistry. Its value lies in its unique fused heterocyclic structure, which is essential for constructing complex molecules with targeted biological activity. This product is primarily needed by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs) and other fine chemicals.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting specific enzymatic pathways.
• Agrochemical Research: Used in the development of new herbicides or pesticides that leverage its heterocyclic core for bioactivity.
• Chemical Synthesis: Serves as a versatile precursor for creating more complex pyrido[1,2-a]pyrimidine derivatives for material science or catalysis research.
• Bioconjugation & Probe Development: The carboxylic acid functionality allows for coupling reactions, making it useful for creating biochemical probes or labeled compounds.
• Academic & Contract Research: Essential for medicinal chemistry programs in universities and contract research organizations (CROs) exploring new chemical entities.

Basic Information

Product Name	4-Oxo-4H-Pyrido[1,2-A]Pyrimidine-2-Carboxylic Acid Hydrochloride
CAS No.	2499661-06-0
Molecular Formula	C10H7N2O3·HCl
Molecular Weight	254.64 g/mol
Synonyms	4-Oxo-4H-pyrido[1,2-a]pyrimidine-2-carboxylic acid hydrochloride; Pyrido[1,2-a]pyrimidine-2-carboxylic acid, 4-oxo-, hydrochloride; 4-Oxopyrido[1,2-a]pyrimidine-2-carboxylic acid HCl salt; 2499661-06-0; 4H-Pyrido[1,2-a]pyrimidine-2-carboxylic acid, 4-oxo-, hydrochloride (1:1)
EINECS	Contact for details

Quality Control

Our 4-Oxo-4H-Pyrido[1,2-A]Pyrimidine-2-Carboxylic Acid Hydrochloride is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to support your research and development requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. For long-term storage, consider using a desiccant.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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