Description

5H-Benzimidazol-5-One,1,4-Dihydro-(9Ci) is a high-purity organic heterocyclic compound that serves as a critical building block in advanced chemical synthesis. Its unique benzimidazolone core structure makes it a valuable intermediate for developing pharmaceuticals, agrochemicals, and specialty materials. This product is essential for research and development chemists, process engineers, and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries seeking reliable, high-quality intermediates for complex synthesis pathways.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those targeting neurological and oncological pathways.
• Agrochemical Research: Used in the development of new fungicides, herbicides, and plant growth regulators due to its bioactive heterocyclic scaffold.
• Organic Light-Emitting Diodes (OLEDs): Serves as a core structure for electron-transport materials and host compounds in optoelectronic applications.
• Coordination Chemistry & Catalysis: Acts as a ligand for metal complexes used in homogeneous catalysis and material science.
• Polymer Modification: Incorporated into polymer backbones to impart specific thermal, mechanical, or electronic properties to advanced materials.
• Academic & Industrial R&D: A fundamental reagent for methodological development and exploratory synthesis in medicinal and organic chemistry.

Basic Information

Product Name	5H-Benzimidazol-5-One,1,4-Dihydro-(9Ci)
CAS No.	148832-39-7
Molecular Formula	C7H6N2O
Molecular Weight	134.14 g/mol
Synonyms	1,4-Dihydro-5H-benzimidazol-5-one; 5H-Benzimidazol-5-one, 1,4-dihydro-; 1,4-Dihydrobenzimidazol-5-one; 2,3-Dihydro-1H-benzimidazol-5-one; 5-Hydroxybenzimidazole; 5-Oxo-1,4-dihydro-5H-benzimidazole; Benzimidazol-5(1H)-one
EINECS	Contact for details

Quality Control

Every batch of 5H-Benzimidazol-5-One,1,4-Dihydro-(9Ci) is manufactured and tested under a strict quality management system. Our products undergo rigorous quality testing, including HPLC, NMR, and mass spectrometry, to ensure compliance with industry standards and customer specifications. Certificates of Analysis (COA) are provided with each shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is light-sensitive and should be handled and stored accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 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.