Description

Pyrano[4,3:4,5]Cyclopent[1,2-D]Isoxazole (9Ci) is a high-purity, specialized heterocyclic compound with the CAS number 108668-08-2. This complex fused-ring structure serves as a critical building block in advanced organic synthesis, enabling the development of novel molecular architectures. It is primarily sought by pharmaceutical research and agrochemical development teams for the creation of new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Research: Used in the development of new-generation herbicides and insecticides with unique modes of action.
• Material Science: Serves as a building block for advanced organic electronic materials and specialty polymers.
• Academic & Contract Research: Employed in methodological studies and the discovery of new chemical reactions in organic chemistry laboratories.
• Fine Chemical Synthesis: A versatile scaffold for constructing complex natural product analogs and other high-value specialty chemicals.

Basic Information

Product Name	Pyrano[4,3:4,5]Cyclopent[1,2-D]Isoxazole (9Ci)
CAS No.	108668-08-2
Molecular Formula	C9H7NO2
Molecular Weight	161.16 g/mol
Synonyms	Pyrano[4,3:4,5]cyclopenta[1,2-d]isoxazole; 2H,5H-Cyclopenta[1,2-d:4,3-d']bis[1,2]oxazole; 2H,5H-Cyclopenta[1,2-d:4,3-d']diisoxazole; 108668-08-2; Pyranocyclopentaisoxazole; Cyclopenta[1,2-d:4,3-d']bis[1,2]oxazole; 2H,5H-Cyclopenta[1,2-d:4,3-d']bisoxazole
EINECS	Contact for details

Quality Control

Our Pyrano[4,3:4,5]Cyclopent[1,2-D]Isoxazole (9Ci) is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support your quality assurance and regulatory needs.

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 maintaining the material under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
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.