Description

5-Chloro-2-Methyl-7H-Isoxazolo[2,3-A]Pyrimidin-7-One is a high-purity, heterocyclic organic compound that serves as a critical building block in advanced chemical synthesis. Its unique fused isoxazolopyrimidinone structure makes it a valuable intermediate for developing novel active pharmaceutical ingredients (APIs) and agrochemicals. This compound is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty 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 agents.
• Agrochemical Synthesis: Used as a precursor in the manufacture of advanced herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Chemical Research: Serves as a versatile scaffold in medicinal chemistry for structure-activity relationship (SAR) studies and library synthesis.
• Material Science Precursor: Potential use in the synthesis of organic electronic materials and photoactive compounds due to its conjugated system.
• Biochemical Probe Development: Employed in academic and industrial research to create molecular probes for studying biological pathways and enzyme inhibition.

Basic Information

Product Name	5-Chloro-2-Methyl-7H-Isoxazolo[2,3-A]Pyrimidin-7-One
CAS No.	278614-92-9
Molecular Formula	C7H4ClN3O2
Molecular Weight	197.58 g/mol
Synonyms	5-Chloro-2-methyl-7H-isoxazolo[2,3-a]pyrimidin-7-one; 5-Chloro-2-methylisoxazolo[2,3-a]pyrimidin-7-one; 278614-92-9; Isoxazolo[2,3-a]pyrimidin-7-one, 5-chloro-2-methyl-; 5-Chloro-2-methyl-7H-[1,2]oxazolo[3,2-a]pyrimidin-7-one
EINECS	Contact for details

Quality Control

Our production of 5-Chloro-2-Methyl-7H-Isoxazolo[2,3-A]Pyrimidin-7-One adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is subjected to comprehensive analytical testing, including HPLC, NMR, and mass spectrometry for identity confirmation and impurity profiling. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory compliance needs.

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 bases and reducing agents. For long-term storage, consider an inert atmosphere to maintain optimal stability.

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.