Description

4-(1,3-Dihydro-1,3-Dioxo-2H-Isoindol-2-Yl)-3,4-Dihydrospiro[Furan-2(5H),3'-[3H]Indole]-2',5(1'H)-Dione is a complex heterocyclic organic compound with a unique spirocyclic structure. This specialized chemical serves as a high-value intermediate in advanced organic synthesis, particularly for constructing intricate molecular architectures. It is primarily sought after by research and development teams in the pharmaceutical and agrochemical sectors for the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of potential drug candidates, especially those targeting neurological or oncological pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides with novel modes of action.
• Material Science: Potential precursor for specialty polymers or organic electronic materials due to its fused ring system.
• Academic & Contract Research: Serves as a critical reagent in methodological studies and complex molecule construction in university and CRO laboratories.
• Dye & Pigment Synthesis: Intermediate for creating specialized colorants with specific light-fastness or electronic properties.

Basic Information

Product Name	4-(1,3-Dihydro-1,3-Dioxo-2H-Isoindol-2-Yl)-3,4-Dihydrospiro[Furan-2(5H),3'-[3H]Indole]-2',5(1'H)-Dione
CAS No.	40664-91-3
Molecular Formula	C20H12N2O5
Molecular Weight	360.32 g/mol
Synonyms	2-(2',5'-Dioxo-1',2',3',5'-tetrahydrospiro[furan-3,3'-indole]-4'-yl)isoindoline-1,3-dione; Spiro[furan-3,3'-indole]-2',5(1'H)-dione, 4-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-3,4-dihydro-; 4-(1,3-Dioxoisoindolin-2-yl)-3,4-dihydrospiro[furan-2(5H),3'-indole]-2',5(1'H)-dione; 40664-91-3; Spirocyclic isoindoledione derivative; N-(1,3-Dioxoisoindolin-2-yl)spiro[furan-3,3'-indoline]-2',5-dione
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your regulatory and R&D 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 the container sealed to protect from moisture. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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