Description

Isoxazolo[5,4-D]Pyrimidine, 4-Methoxy-3-Methyl- (9Ci) is a high-purity heterocyclic organic compound serving as a critical building block in advanced chemical synthesis. Its unique fused isoxazole-pyrimidine structure makes it a valuable intermediate for developing novel active pharmaceutical ingredients (APIs) and functional materials. This product is essential for research and development teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking to create new molecules with targeted properties.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly for central nervous system (CNS) and antiviral therapies.
• Agrochemical Research: Used as a core scaffold for synthesizing novel herbicides, fungicides, and insecticides with potential new modes of action.
• Material Science Precursor: Employed in the synthesis of organic electronic materials, such as ligands for metal-organic frameworks (MOFs) or components for organic light-emitting diodes (OLEDs).
• Chemical Biology Probe: Serves as a building block for creating molecular probes to study enzyme function and biological pathways.
• Academic & Contract Research: Utilized in university and CRO laboratories for methodological development and exploration of new heterocyclic chemistry.

Basic Information

Product Name	Isoxazolo[5,4-D]Pyrimidine, 4-Methoxy-3-Methyl- (9Ci)
CAS No.	175348-25-1
Molecular Formula	C8H7N3O2
Molecular Weight	177.16 g/mol
Synonyms	4-Methoxy-3-methylisoxazolo[5,4-d]pyrimidine; 3-Methyl-4-methoxyisoxazolo[5,4-d]pyrimidine; Isoxazolo[5,4-d]pyrimidine, 4-methoxy-3-methyl-; 175348-25-1; 4-Methoxy-3-methyl-[1,2]oxazolo[5,4-d]pyrimidine
EINECS	Contact for details

Quality Control

Our Isoxazolo[5,4-D]Pyrimidine, 4-Methoxy-3-Methyl- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.