Description

5,7-Dinitrooxindole CAS NO 30490-21-2 is a specialized nitro-substituted oxindole derivative, a key heterocyclic building block in advanced organic synthesis. Its precise molecular structure makes it a valuable intermediate for the development of complex pharmaceuticals and high-performance materials. This compound is primarily sought by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for creating novel active compounds.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products, leveraging its heterocyclic nitro chemistry.
• Organic Synthesis Building Block: A versatile reagent for constructing complex indole and oxindole-based frameworks in academic and industrial research laboratories.
• Material Science Precursor: Employed in the research and development of advanced organic electronic materials and dyes.
• Chemical Biology Probe Development: Utilized as a scaffold for creating molecular probes to study biological pathways and enzyme functions.

Basic Information

Product Name	5,7-Dinitrooxindole
CAS No.	30490-21-2
Molecular Formula	C8H5N3O5
Molecular Weight	223.14 g/mol
Synonyms	5,7-Dinitro-1,3-dihydro-2H-indol-2-one; 5,7-Dinitro-2-indolinone; 1,3-Dihydro-5,7-dinitro-2H-indol-2-one; 2H-Indol-2-one, 1,3-dihydro-5,7-dinitro-; Oxindole, 5,7-dinitro-; 5,7-Dinitroindolin-2-one
EINECS	Contact for details

Quality Control

Our 5,7-Dinitrooxindole is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis. We provide full traceability and detailed Certificates of Analysis (COA) with every shipment to ensure it meets the stringent requirements of research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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