Description

11-(1,3-Dioxo-1,3-Dihydro-Isoindol-2-Yl)-Undecanoic Acid is a high-purity, functionalized fatty acid derivative featuring a phthalimide-protected amine group. This compound matters as a versatile and critical chemical building block for advanced organic synthesis, enabling the controlled introduction of long-chain carboxylic acid functionalities. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical and specialty chemical industries for creating novel polymers, surfactants, and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: Key synthon for the synthesis of novel drug candidates, particularly those requiring long-chain lipophilic spacers or linkers.
• Polymer Chemistry: Serves as a monomer or functional modifier for creating specialty polyamides, polyesters, and other polymers with tailored properties.
• Surface-Active Agent Precursor: Used in the development of novel surfactants and emulsifiers for industrial and cosmetic formulations.
• Bioconjugation & Linker Chemistry: Employed in the design of cleavable linkers for antibody-drug conjugates (ADCs) and other bioconjugation applications.
• Material Science: Functionalization agent for nanoparticles, dendrimers, and other advanced materials to impart specific surface characteristics.
• Organic Synthesis Building Block: Provides a protected amine handle for multi-step synthetic routes in complex molecule construction.

Basic Information

Product Name	11-(1,3-Dioxo-1,3-Dihydro-Isoindol-2-Yl)-Undecanoic Acid
CAS No.	4403-42-3
Molecular Formula	C19H25NO4
Molecular Weight	331.41 g/mol
Synonyms	11-Phthalimido-undecanoic acid; 11-Phthalimidoundecanoic Acid; N-(10-Carboxydecyl)phthalimide; 2-[11-(Carboxy)undecyl]-1H-isoindole-1,3(2H)-dione; 11-Phthalimido-n-undecanoic acid; 11-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)undecanoic acid; 2-(10-Carboxydecyl)isoindoline-1,3-dione
EINECS	224-540-4

Quality Control

Our 11-(1,3-Dioxo-1,3-Dihydro-Isoindol-2-Yl)-Undecanoic Acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment supports applications requiring high-purity intermediates for research and development.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 100 °C
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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