Description

1,3,3-Trimethyl-2-Oxindole-5-Carboxylic Acid is a high-purity, synthetically derived oxindole derivative that serves as a critical advanced intermediate in pharmaceutical and fine chemical synthesis. Its value lies in its role as a versatile building block for constructing complex molecular architectures, particularly in the development of active pharmaceutical ingredients (APIs). This compound is essential for research and production teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable, high-quality intermediates for their synthetic pathways.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs), particularly those with oxindole or spirooxindole core structures.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators that require functionalized heterocyclic cores.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a precursor for electron-transport or host materials in the manufacture of advanced OLED displays and lighting.
• Dye and Pigment Manufacturing: Acts as an intermediate for producing specialized dyes, pigments, and colorants with specific light-fastness and chemical properties.
• Academic and Industrial Research: A valuable reagent for methodological development in organic synthesis and for creating novel chemical libraries for screening.
• Fine Chemical Production: Employed in the custom synthesis of complex, high-value specialty chemicals for various technological applications.

Basic Information

Product Name	1,3,3-Trimethyl-2-Oxindole-5-Carboxylic Acid
CAS No.	896160-47-7
Molecular Formula	C12H13NO3
Molecular Weight	219.24 g/mol
Synonyms	5-Carboxy-1,3,3-trimethyloxindole; 1,3,3-Trimethyl-5-carboxyoxindole; 2-Oxo-1,3,3-trimethylindoline-5-carboxylic Acid; 5-Carboxy-1,3,3-trimethyl-2-indolinone; TMO-5-COOH; 896160-47-7; 1,3,3-Trimethyl-2-oxoindoline-5-carboxylic acid
EINECS	Contact for details

Quality Control

Our 1,3,3-Trimethyl-2-Oxindole-5-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for pharmaceutical and fine chemical applications. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

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 strong oxidizing agents, strong bases, and sources of heat.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.