Description

Spiro[Cyclopentane-1,4-[4H]Pyrido[2,3-D][1,3]Oxazin]-2(1H)-One (9Ci) is a high-purity, complex heterocyclic organic compound with the CAS number 122503-73-5. This specialized spiro-fused molecular scaffold is of significant value in advanced pharmaceutical research and fine chemical synthesis. It serves as a critical building block for medicinal chemists and R&D professionals developing novel therapeutic agents.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-infective targets.
• Medicinal Chemistry Research: Used as a privileged scaffold for constructing compound libraries in high-throughput screening and structure-activity relationship (SAR) studies.
• Organic Synthesis Building Block: Employed in the development of complex molecules due to its rigid, three-dimensional spirocyclic structure.
• Agrochemical Research: Potential intermediate in the development of new active ingredients for crop protection.
• Material Science Exploration: Investigated as a component for advanced organic electronic materials or specialty polymers.

Basic Information

Product Name	Spiro[Cyclopentane-1,4-[4H]Pyrido[2,3-D][1,3]Oxazin]-2(1H)-One (9Ci)
CAS No.	122503-73-5
Molecular Formula	C11H12N2O2
Molecular Weight	204.23 g/mol
Synonyms	Spiro(cyclopentane-1,4'-(4H)-pyrido(2,3-d)(1,3)oxazin)-2'(1'H)-one; 2H-Spiro[cyclopentane-1,4'-[4H]pyrido[2,3-d][1,3]oxazin]-2'-one; 1'H-Spiro[cyclopentane-1,4'-pyrido[2,3-d][1,3]oxazine]-2'-one; Spiro[cyclopentane-1,4'-(4H)-pyrido[2,3-d]pyrimidine]-2'(1'H)-one (related structure); CAS 122503-73-5; Spiro-oxazinopyridine derivative
EINECS	Contact for details

Quality Control

Our Spiro[Cyclopentane-1,4-[4H]Pyrido[2,3-D][1,3]Oxazin]-2(1H)-One (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. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory documentation 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 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 reference spectrum
Identification (HPLC)	Retention time matches reference standard
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.