Description

Spiro[Cyclopentane-1,2-[4H-1,3]Dioxino[4,5-C]Pyridine] (9Ci) is a high-purity, specialized spirocyclic organic compound with the CAS registry number 7158-05-6. This complex heterocyclic structure makes it a valuable and versatile advanced pharmaceutical intermediate and a key building block in sophisticated organic synthesis. It is primarily sought after by research and development teams in the pharmaceutical, agrochemical, and fine chemical industries for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Research: Used as a key scaffold for developing new-generation herbicides, fungicides, and insecticides with unique modes of action.
• Ligand & Catalyst Development: Employed in the creation of complex ligands for asymmetric catalysis and metal-organic frameworks (MOFs).
• Material Science Research: Acts as a building block for organic electronic materials, such as novel semiconductors or light-emitting compounds.
• Academic & Contract Research: Utilized in university and CRO laboratories for methodological development and exploration of new chemical spaces.
• Fine Chemical Synthesis: Integral for constructing complex natural product analogs and other high-value specialty chemicals.

Basic Information

Item	Detail
Product Name	Spiro[Cyclopentane-1,2-[4H-1,3]Dioxino[4,5-C]Pyridine] (9Ci)
CAS No.	7158-05-6
Molecular Formula	C10H11NO2
Molecular Weight	177.20 g/mol
Synonyms	7-Oxa-1-azaspiro[4.4]non-1-ene-6,8-dione, 2,3,4,9-tetrahydro-; 2,3,4,9-Tetrahydro-7-oxa-1-azaspiro[4.4]non-1-ene-6,8-dione; Spiro(cyclopentane-1,2'-(4'H)-(1,3)dioxino(4,5-c)pyridine); 1,3-Dioxino[4,5-c]pyridine, 2,3,4,9-tetrahydro-, spiro[4.4]nonane deriv.
EINECS	Contact for details

Quality Control

Every batch of Spiro[Cyclopentane-1,2-[4H-1,3]Dioxino[4,5-C]Pyridine] (9Ci) is manufactured and tested under a strict quality management system. Our products undergo rigorous quality testing including HPLC, NMR, and GC-MS to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are available upon request for traceability and compliance.

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 an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Any single unknown impurity	≤ 0.5%
Residual Solvents (GC)	Complies with ICH Q3C guidelines
Loss on Drying	≤ 0.5%

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