Description

9-Chloro-Pyrido[1,2-A]Pyrimidin-4-One is a high-purity, advanced pharmaceutical intermediate belonging to the fused pyrimidine class of heterocyclic compounds. This compound is valued for its role as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing new therapeutic and crop protection agents.

Application

• Pharmaceutical Intermediate: A key precursor in the research and synthesis of novel drug candidates, particularly in oncology and central nervous system (CNS) therapeutic areas.
• Agrochemical Research: Serves as a core scaffold for developing new generation herbicides, fungicides, and insecticides with improved efficacy.
• Chemical Synthesis Building Block: Used in organic synthesis for constructing complex fused heterocyclic systems due to its reactive chloro and carbonyl functional groups.
• Material Science Research: Investigated for potential applications in creating organic electronic materials and photoactive compounds.
• Academic & R&D: Employed in university and corporate research laboratories for methodological studies and exploring new chemical reactions.

Basic Information

Product Name	9-Chloro-Pyrido[1,2-A]Pyrimidin-4-One
CAS No.	1198413-03-4
Molecular Formula	C7H3ClN2O
Molecular Weight	166.56 g/mol
Synonyms	9-Chloro-4H-pyrido[1,2-a]pyrimidin-4-one; 9-Chloro-4H-pyrido[1,2-a]pyrimidin-4-one; 9-Chloropyrido[1,2-a]pyrimidin-4(1H)-one; 9-Chloro-1H-pyrido[1,2-a]pyrimidin-4-one; 1198413-03-4; 9-Chloro-4-oxo-4H-pyrido[1,2-a]pyrimidine; Pyrido[1,2-a]pyrimidin-4-one, 9-chloro-
EINECS	Contact for details

Quality Control

Our 9-Chloro-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 (IR, NMR), to ensure it meets the high standards required for research and production. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming specifications for assay, related substances, and residual solvents.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong bases and strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
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.