Description

3-Chloro-2-Methyl-4H-Pyrido[1,2-A]Pyrimidin-4-One is a high-purity heterocyclic organic compound that serves as a critical building block in advanced chemical synthesis. Its unique fused pyrido-pyrimidinone structure makes it a valuable intermediate for developing novel active pharmaceutical ingredients (APIs) and specialty agrochemicals. This compound is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for its role in creating molecules with targeted biological activity.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly for central nervous system (CNS) and anti-infective therapies.
• Agrochemical Synthesis: Used as a precursor in the manufacture of advanced herbicides, fungicides, and insecticides, contributing to novel modes of action.
• Material Science Research: Investigated for the synthesis of organic electronic materials, ligands for catalysis, and other functional organic compounds.
• Chemical Biology & Proteomics: Employed in the design and synthesis of molecular probes and enzyme inhibitors for biochemical research.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for the production of client-specific target molecules.

Basic Information

Product Name	3-Chloro-2-Methyl-4H-Pyrido[1,2-A]Pyrimidin-4-One
CAS No.	16867-33-7
Molecular Formula	C9H7ClN2O
Molecular Weight	194.62 g/mol
Synonyms	3-Chloro-2-methylpyrido[1,2-a]pyrimidin-4-one; 3-Chloro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one; 2-Methyl-3-chloro-4H-pyrido[1,2-a]pyrimidin-4-one; 4H-Pyrido[1,2-a]pyrimidin-4-one, 3-chloro-2-methyl-; 16867-33-7; 3-Chloro-2-methylpyrido[1,2-a]pyrimidin-4(1H)-one; 3-Chloro-2-methyl-1H-pyrido[1,2-a]pyrimidin-4-one
EINECS	Contact for details

Quality Control

Our 3-Chloro-2-Methyl-4H-Pyrido[1,2-A]Pyrimidin-4-One is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with each shipment, documenting all critical quality attributes. Our commitment to cGMP (current Good Manufacturing Practice) principles ensures a reliable supply of material suitable for demanding research and scale-up applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). The compound is light-sensitive and should be handled under appropriate conditions to maintain stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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