Description

9'-Bromo-2'-Phenyl-1',10'B-Dihydrospiro(Cyclopentane-1,5'-Pyrazolo[1,5-C][1,3]Benzoxazine) is a high-value, complex heterocyclic compound featuring a unique spirocyclic architecture. This compound matters as a sophisticated chemical building block and key intermediate for advanced research and development in medicinal chemistry. It is primarily needed by pharmaceutical R&D teams and fine chemical manufacturers focused on synthesizing novel bioactive molecules, particularly for applications in drug discovery and material science.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, especially those targeting central nervous system (CNS) disorders.
• Medicinal Chemistry Research: Used as a versatile scaffold for constructing complex molecular libraries in high-throughput screening and structure-activity relationship (SAR) studies.
• Organic Synthesis Building Block: Employed in advanced organic transformations to introduce the spirocyclic pyrazolobenzoxazine moiety into target molecules.
• Agrochemical Research: Potential intermediate in the development of new active ingredients for crop protection products.
• Material Science Exploration: Investigated for the development of specialty polymers or organic electronic materials due to its rigid, fused-ring structure.

Basic Information

Product Name	9'-Bromo-2'-Phenyl-1',10'B-Dihydrospiro(Cyclopentane-1,5'-Pyrazolo[1,5-C][1,3]Benzoxazine)
CAS No.	332060-14-7
Molecular Formula	C20H17BrN2O
Molecular Weight	381.27 g/mol
Synonyms	9'-Bromo-2'-phenyl-1',10'b-dihydrospiro[cyclopentane-1,5'-pyrazolo[1,5-c][1,3]benzoxazine]; Spiro[cyclopentane-1,5'-pyrazolo[1,5-c][1,3]benzoxazine], 9'-bromo-1',10'b-dihydro-2'-phenyl-; 332060-14-7; 9'-Bromo-2'-phenyl-1',10'b-dihydrospiro(cyclopentane-1,5'-pyrazolo[1,5-c][1,3]benzoxazine); 9-Bromo-2-phenyl-1,10b-dihydrospiro[cyclopentane-1,5'-pyrazolo[1,5-c]quinazoline] (alternative naming); Bromo-phenyl-dihydrospiro-pyrazolobenzoxazine.
EINECS	Contact for details

Quality Control

Our 9'-Bromo-2'-Phenyl-1',10'B-Dihydrospiro(Cyclopentane-1,5'-Pyrazolo[1,5-C][1,3]Benzoxazine) is manufactured under strict quality management systems. Every batch undergoes rigorous 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 protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials. 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 structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Single Maximum Impurity	≤ 1.0%
Residual Solvents (GC)	Complies with ICH Q3C guidelines
Water Content (KF)	≤ 0.5%

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