Description

2-Hydroxy-5-Methoxy-1-Indolinecarbaldehyde is a versatile heterocyclic aldehyde building block, primarily utilized in advanced organic synthesis. Its unique molecular structure, featuring both phenolic and formyl functional groups on an indoline scaffold, makes it a critical intermediate for constructing complex pharmacophores. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, where it serves as a precursor for novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly those targeting neurological and oncological pathways.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, leveraging its heterocyclic core.
• Organic Light-Emitting Diodes (OLEDs): Serves as a precursor for electron-transport materials or emissive layer components in electronic materials research.
• Dye and Pigment Intermediate: Utilized in the synthesis of specialized dyes and organic pigments due to its conjugated system.
• Academic & Contract Research: A valuable reagent for methodological development and the construction of complex natural product analogs in university and CRO laboratories.
• Material Science Research: Investigated as a monomer or cross-linking agent for specialty polymers with unique optical or electronic properties.

Basic Information

Product Name	2-Hydroxy-5-Methoxy-1-Indolinecarbaldehyde
CAS No.	13303-70-3
Molecular Formula	C10H9NO3
Molecular Weight	191.18 g/mol
Synonyms	5-Methoxy-2-oxoindoline-1-carbaldehyde; 1-Formyl-5-methoxy-2-oxindole; 5-Methoxy-2-indolinone-1-carboxaldehyde; 1-Carbaldehyde-5-methoxy-2-indolinone; 5-Methoxyisatin-1-carboxaldehyde; 5-Methoxy-1H-indole-2,3-dione 1-carboxaldehyde; 2-Hydroxy-5-methoxyindole-1-carbaldehyde
EINECS	Contact for details

Quality Control

Our 2-Hydroxy-5-Methoxy-1-Indolinecarbaldehyde 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. A detailed Certificate of Analysis (COA) is provided with every shipment, ensuring traceability and compliance with your research or production specifications.

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 heat sources and incompatible materials. Due to its light-sensitive nature, handling should be conducted under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
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.