Description

(3Ar,5S)-3A,4,5,7-Tetrahydro-5-Methyl-3H-Pyrano[3,4-C]Isoxazole CAS NO 1613393-51-3 is a high-purity, advanced pharmaceutical intermediate characterized by its specific stereochemistry and fused heterocyclic structure. This compound is of significant value in modern organic synthesis, particularly for constructing complex molecular architectures with precise three-dimensional control. It is primarily sought after by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs) and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral building block for the synthesis of potential drug candidates, especially in neurological and anti-infective therapeutic areas.
• Asymmetric Synthesis: Utilized in catalytic and stoichiometric asymmetric reactions to introduce stereogenic centers in complex organic molecules.
• Medicinal Chemistry Research: Serves as a core scaffold for structure-activity relationship (SAR) studies and library synthesis in drug discovery programs.
• Fine Chemical Production: Used in the multi-step synthesis of specialty chemicals requiring high enantiomeric purity.
• Academic & Industrial R&D: A valuable reagent for methodological development in organic chemistry and process chemistry optimization.

Basic Information

Product Name	(3Ar,5S)-3A,4,5,7-Tetrahydro-5-Methyl-3H-Pyrano[3,4-C]Isoxazole
CAS No.	1613393-51-3
Molecular Formula	C8H11NO2
Molecular Weight	153.18 g/mol
Synonyms	(3aR,5S)-3a,4,5,7-Tetrahydro-5-methyl-3H-pyrano[3,4-c]isoxazole; (3aR,5S)-5-Methyl-3a,4,5,7-tetrahydro-3H-pyrano[3,4-c]isoxazole; 3H-Pyrano[3,4-c]isoxazole, 3a,4,5,7-tetrahydro-5-methyl-, (3aR,5S)-; (3aR,5S)-5-Methyl-4,7-dihydro-3H-pyrano[3,4-c]isoxazole; (3aR,5S)-5-Methyl-3a,4,5,7-tetrahydro-3H-pyrano[3,4-c]isoxazole
EINECS	Contact for details

Quality Control

Our (3Ar,5S)-3A,4,5,7-Tetrahydro-5-Methyl-3H-Pyrano[3,4-C]Isoxazole is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high chemical and chiral purity, meeting the stringent requirements for pharmaceutical R&D. Certificates of Analysis (COA) detailing identity, purity (by HPLC), enantiomeric excess, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider storage under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Enantiomeric Purity (Chiral HPLC)	≥ 99.0% ee
Water Content (KF)	≤ 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.