Description

5-Isoxazolecarboxaldehyde, 3-(1,1-Dimethylethyl)-4,5-Dihydro- (9Ci) is a specialized heterocyclic building block of significant interest in advanced organic synthesis. Its core value lies in the reactive aldehyde group and the substituted dihydroisoxazole scaffold, which are pivotal for constructing complex molecular architectures. This compound is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and intermediates. The CAS number for this product is 121705-84-8.

Application

This versatile chemical intermediate enables the synthesis of complex molecules across several high-value sectors.

• Pharmaceutical Intermediates: Serves as a key precursor in the synthesis of potential drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides, leveraging its heterocyclic structure.
• Material Science Research: Acts as a building block for creating specialized polymers or ligands with unique chemical properties.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological development and exploration of new chemical spaces.
• Fine Chemical Production: Integrated into multi-step synthetic routes for producing high-value, low-volume specialty chemicals.

Basic Information

Product Name	5-Isoxazolecarboxaldehyde, 3-(1,1-Dimethylethyl)-4,5-Dihydro- (9Ci)
CAS No.	121705-84-8
Molecular Formula	C8H13NO2
Molecular Weight	155.19 g/mol
Synonyms	3-(tert-Butyl)-4,5-dihydroisoxazole-5-carboxaldehyde; 3-tert-Butyl-4,5-dihydro-5-isoxazolecarboxaldehyde; 5-Formyl-3-tert-butyl-4,5-dihydroisoxazole; 3-(1,1-Dimethylethyl)-4,5-dihydro-5-isoxazolecarboxaldehyde; 3-tert-Butyl-4,5-dihydroisoxazole-5-carbaldehyde
EINECS	Contact for details

Quality Control

Our production of 5-Isoxazolecarboxaldehyde, 3-(1,1-Dimethylethyl)-4,5-Dihydro- (9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and purity for research and development applications. All products undergo rigorous analytical testing, including HPLC, GC, and NMR, to verify identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics is provided with each shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its sensitivity, this material should be stored under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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