Description

1-Ethyl-3,3,7-Trimethyl-5-Nitro-1,3-Dihydro-2H-Indol-2-One is a specialized nitro-substituted indolinone derivative, a key intermediate in advanced organic synthesis. Its value lies in its unique molecular scaffold, which is crucial for constructing complex heterocyclic compounds with targeted functionalities. This product is essential for research and development chemists in the pharmaceutical and agrochemical industries, particularly for the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a critical building block for the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting CNS disorders and other therapeutic areas.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its heterocyclic structure for bioactivity.
• Organic Synthesis Reagent: Acts as a versatile precursor for constructing complex fused-ring systems and functionalized indole derivatives in academic and industrial R&D.
• Material Science: Potential intermediate for the synthesis of organic semiconductors, dyes, or photochromic materials due to its nitro and indolinone functional groups.
• Chemical Reference Standard: Supplied as a high-purity standard for analytical method development and quality control in chemical manufacturing.

Basic Information

Product Name	1-Ethyl-3,3,7-Trimethyl-5-Nitro-1,3-Dihydro-2H-Indol-2-One
CAS No.	1248559-59-2
Molecular Formula	C₁₄H₁₈N₂O₃
Molecular Weight	262.31 g/mol
Synonyms	5-Nitro-1-ethyl-3,3,7-trimethylindolin-2-one; 1-Ethyl-3,3,7-trimethyl-5-nitroindolin-2-one; 5-Nitro-1-ethyl-3,3,7-trimethyl-2-indolinone; 2H-Indol-2-one, 1,3-dihydro-1-ethyl-3,3,7-trimethyl-5-nitro-; ETMINO (abbrev.); 1248559-59-2; Nitro-substituted indolinone derivative
EINECS	Contact for details

Quality Control

Our production of 1-Ethyl-3,3,7-Trimethyl-5-Nitro-1,3-Dihydro-2H-Indol-2-One adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity for research and synthesis applications. 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.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat sources and incompatible materials. The compound is light-sensitive (store away from light) as indicated by its chemical properties.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
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.