Description

5,5'-(Benzo[C][1,2,5]Oxadiazole-4,7-Diyl)Diisophthalic Acid CAS NO 1840869-90-0 is a high-purity, multifunctional organic building block featuring a fused benzoxadiazole core. This compound is valued for its unique electronic and structural properties, making it a critical intermediate in advanced material synthesis. It is primarily sought by R&D and production teams in the pharmaceutical, agrochemical, and specialty polymer industries for developing novel functional molecules.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring complex heterocyclic architectures for targeted drug delivery or specific biological activity.
• Agrochemical Synthesis: Used in the development of new-generation herbicides, fungicides, and insecticides, where the benzoxadiazole moiety can contribute to enhanced efficacy and environmental profile.
• Organic Electronic Materials: Acts as a core building block for electron-transport materials, non-fullerene acceptors, and emissive layers in OLEDs and organic photovoltaics (OPVs) due to its electron-deficient character.
• Coordination Chemistry & Metal-Organic Frameworks (MOFs): The multiple carboxylic acid groups make it an excellent linker for constructing sophisticated MOFs with potential applications in gas storage, separation, and catalysis.
• Polymer Modification: Incorporated into polymer backbones to impart rigidity, thermal stability, and specific optical or electronic properties for high-performance engineering plastics and coatings.
• Fluorescent Probe & Sensor Development: Utilized in the design of chemosensors and bioimaging agents, leveraging the inherent fluorescence properties of the benzoxadiazole unit.

Basic Information

Product Name	5,5'-(Benzo[C][1,2,5]Oxadiazole-4,7-Diyl)Diisophthalic Acid
CAS No.	1840869-90-0
Molecular Formula	C24H12N2O10
Molecular Weight	488.36 g/mol
Synonyms	4,4'-(2,1,3-Benzoxadiazole-4,7-diyl)diisophthalic acid; 5,5'-(2,1,3-Benzoxadiazole-4,7-diyl)bis(isophthalic acid); Benzo[c][1,2,5]oxadiazole-4,7-diylbis(5-isophthalic acid); 4,7-Bis(3,5-dicarboxyphenyl)benzo[c][1,2,5]oxadiazole; BODIPY-4,7-diyl diisophthalic acid (common abbreviation); Benzofurazan-4,7-diyl diisophthalic acid derivative
EINECS	Contact for details

Quality Control

Our production of 5,5'-(Benzo[C][1,2,5]Oxadiazole-4,7-Diyl)Diisophthalic Acid adheres to a stringent quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis. Certificates of Analysis (COA) detailing all specifications are provided to ensure traceability and compliance with your research or cGMP guidelines.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 2.0%
Residual Solvents (GC)	Meets ICH guidelines
Heavy Metals	≤ 20 ppm

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