Description

3H-Pyrano[4,3-C]Isoxazol-3-One,6,7-Dihydro-4-Methyl-(9Ci) is a high-purity, specialized heterocyclic compound that serves as a critical synthetic intermediate and building block in advanced organic chemistry. Its unique fused pyrano-isoxazolone structure makes it a valuable precursor for developing novel pharmacologically active molecules and functional materials. This product is essential for research and development chemists in the pharmaceutical, agrochemical, and material science industries seeking to create new compounds with targeted properties.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in central nervous system (CNS) and anti-inflammatory research.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides with novel modes of action.
• Material Science Precursor: Serves as a monomer or functional additive in the synthesis of advanced polymers and specialty coatings.
• Chemical Biology Probe: Utilized in medicinal chemistry to study enzyme inhibition and receptor-ligand interactions.
• Academic & Contract Research: Essential for synthetic methodology development and heterocyclic chemistry research in university and CRO laboratories.
• Fine Chemical Synthesis: Intermediate for creating complex molecules used in flavors, fragrances, and electronic chemicals.

Basic Information

Product Name	3H-Pyrano[4,3-C]Isoxazol-3-One,6,7-Dihydro-4-Methyl-(9Ci)
CAS No.	90362-02-0
Molecular Formula	C7H7NO3
Molecular Weight	153.14 g/mol
Synonyms	4-Methyl-6,7-dihydro-3H-pyrano[4,3-c]isoxazol-3-one; 6,7-Dihydro-4-methyl-3H-pyrano[4,3-c]isoxazol-3-one; 4-Methyl-6,7-dihydro-3H,5H-pyrano[4,3-c]isoxazol-3-one; Pyrano[4,3-c]isoxazol-3-one, 6,7-dihydro-4-methyl-; 90362-02-0; 4-Methyl-3H,5H,6H,7H-pyrano[4,3-c]isoxazol-3-one
EINECS	Contact for details

Quality Control

Our 3H-Pyrano[4,3-C]Isoxazol-3-One,6,7-Dihydro-4-Methyl-(9Ci) is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via NMR and IR spectroscopy, to ensure high consistency and reliability for your synthetic workflows. Certificates of Analysis (COA) with full batch traceability are provided and available upon request.

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, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere.

Specification

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