Description

Benzo[D]Isoxazole-5-Carbaldehyde is a high-purity organic building block and key synthetic intermediate. This compound is valued for its reactive aldehyde functional group fused to a benzoisoxazole heterocyclic core, enabling the construction of complex molecular architectures. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for developing novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Research: Serves as a key building block for developing new pesticides, herbicides, and fungicides with enhanced efficacy and selectivity.
• Organic Synthesis & Material Science: Used in constructing complex heterocyclic compounds, ligands for catalysis, and organic electronic materials.
• Academic & R&D Laboratories: Employed in methodological research and the discovery of new chemical reactions and pathways.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs for the production of bespoke compounds and advanced intermediates on a commercial scale.

Basic Information

Product Name	Benzo[D]Isoxazole-5-Carbaldehyde
CAS No.	933718-95-7
Molecular Formula	C8H5NO2
Molecular Weight	147.13 g/mol
Synonyms	1,2-Benzisoxazole-5-carboxaldehyde; 1,2-Benzoxazole-5-carbaldehyde; 5-Formyl-1,2-benzisoxazole; Benzo[d]isoxazole-5-carboxaldehyde; 5-Carbaldehydebenzo[d]isoxazole; 933718-95-7; 5-Formylbenzo[d]isoxazole
EINECS	Contact for details

Quality Control

Every batch of Benzo[D]Isoxazole-5-Carbaldehyde is produced and tested under strict quality management protocols to ensure consistency and reliability. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as purity, identity, and impurity profiles. Our quality systems are designed to meet the stringent requirements of cGMP and ISO standards for advanced pharmaceutical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. This material is easily oxidized and light-sensitive; avoid exposure to air, moisture, and direct light during handling.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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