Description

Spiro[Cyclopropane-1,3'-Indolin]-2'-One CAS NO 13861-75-1 is a high-value spirocyclic organic compound featuring a unique fused ring system of cyclopropane and indolinone. This structural motif makes it a critical advanced pharmaceutical intermediate and a versatile building block for complex organic synthesis. It is primarily sought after by research and development teams in the pharmaceutical, agrochemical, and specialty chemical industries for the creation of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of potential drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Serves as a building block for developing new-generation pesticides and herbicides with novel modes of action.
• Organic Light-Emitting Diode (OLED) Materials: Used in the research and development of electron-transport or host materials due to its rigid, spiro-conjugated structure.
• Ligand and Catalyst Development: Acts as a scaffold for creating novel chiral ligands and organocatalysts for asymmetric synthesis.
• Academic & Industrial R&D: A valuable compound for methodological studies in organic chemistry, including ring-opening and functionalization reactions.
• Material Science: Investigated for use in the synthesis of polymers and advanced organic frameworks with specific thermal or optical properties.

Basic Information

Item	Details
Product Name	Spiro[Cyclopropane-1,3'-Indolin]-2'-One
CAS No.	13861-75-1
Molecular Formula	C10H9NO
Molecular Weight	159.18 g/mol
Synonyms	1'H-Spiro[cyclopropane-1,3'-indol]-2'(2'H)-one; Spiro(cyclopropane-1,3'-indolin)-2'-one; 2'-Oxospiro[cyclopropane-1,3'-indoline]; 1'H-Spiro[cyclopropane-1,3'-indole]-2'(2'H)-one; Spirocyclopropaneindolinone; 13861-75-1; Spiro[cyclopropane-1,3'-indolin]-2'-one
EINECS	Contact for details

Quality Control

We supply Spiro[Cyclopropane-1,3'-Indolin]-2'-One in high-purity grades suitable for research and commercial synthesis. Our products undergo rigorous quality testing including HPLC, NMR, and GC-MS to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) is provided with each batch, detailing all analytical results. We adhere to a strict quality management system to guarantee reliable supply for critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents. For long-term storage, consider storing under an inert atmosphere.

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% (Area %)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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