Description

Spiro[Furo[3,4-D]Isoxazole-6(4H),5(2H)-Isoxazole] (9Ci) is a high-purity, advanced heterocyclic compound featuring a unique spiro-fused isoxazole-furoisoxazole scaffold. This complex molecular architecture makes it a valuable key intermediate and building block in sophisticated organic synthesis, particularly for the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing molecules with specific biological activity.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Research: Used as a core scaffold for developing new herbicides, fungicides, or insecticides with novel modes of action.
• Material Science: Potential building block for creating specialty polymers or organic electronic materials due to its rigid, fused heterocyclic structure.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological studies in heterocyclic chemistry and the exploration of new chemical spaces.
• Ligand Synthesis: Can be utilized to develop novel ligands for catalysis or metal-organic frameworks (MOFs).

Basic Information

Product Name	Spiro[Furo[3,4-D]Isoxazole-6(4H),5(2H)-Isoxazole] (9Ci)
CAS No.	294661-44-2
Molecular Formula	C7H6N2O3
Molecular Weight	166.14 g/mol
Synonyms	Spiro[furo[3,4-d]isoxazole-6(4H),5'(2'H)-isoxazole]; 4H,5'H-Spiro[furo[3,4-d]isoxazole-6,5'-isoxazole]; Spiro[furo[3,4-d]isoxazole-6(4H),5'(2'H)-isoxazole] (9CI); Furo[3,4-d]isoxazole, spiro derivative; Spiro-fused isoxazole-furoisoxazole
EINECS	Contact for details

Quality Control

Our Spiro[Furo[3,4-D]Isoxazole-6(4H),5(2H)-Isoxazole] (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all specified parameters. Our quality commitment supports compliance with cGMP and ICH guidelines for pharmaceutical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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