5-Amino-1H-benzo[d]imidazol-2(3H)-one, CAS No. 95-23-8

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95-23-8

Catalog No. EBD49477

CAS 95-23-8

Name 5-Amino-1H-benzo[d]imidazol-2(3H)-one

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Basic Information

Synonyms: 2H-Benzimidazol-2-one,5-amino-1,3-dihydro- 5-Aminobenzimidazolone 5ABI 5-Amino-Benzimidazolone 5-Amino-1,3-Dihydro-2H-Benzimidazol-2-one 5-AMINOBENZIMIDAZOLEDONE 5-amino-1,3-dihydro-2h-benzimidazol-2-on 5-amino-2-benzimidazolinone 5-amino-2-hydroxybenzimidazole 5-aminobenzimidazolinone 5-amino-1,3-dihydro-benzoimidazol-2-one 5(6)-aminobenzoimidazolone 5-Amino-1H-benzo[d]imidazol-2(3H)-one

Molecular Formula: C7H7N3O

Molecular Weight: 149.15

MDL Number: MFCD00053555

Categories: Medicinal Chemistry > Pharmaceutical Intermediates > Heterocyclic Intermediates Synthetic Chemistry > Organic Building Blocks > Amines

Product Description:

5-Aminobenzimidazolone is an organic compound featuring a fused benzimidazolone core structure with an amino substituent at the 5-position. It is a versatile heterocyclic building block characterized by the presence of both amine and cyclic urea functionalities. Its primary and most significant application is as a key pharmaceutical intermediate. It serves as a crucial precursor in the synthesis of various biologically active molecules, particularly in the development of drugs targeting the central nervous system and other therapeutic areas. For instance, it is a fundamental scaffold in the production of certain benzodiazepine derivatives and other heterocyclic drug candidates. Due to its bifunctional nature (aromatic amine and heterocyclic core), it is also employed as a valuable reagent in organic synthesis and materials science research. It can participate in condensation and cyclization reactions to construct more complex molecular architectures.

Physical Properties

Boiling Point: 201.4 °C at 760 mmHg

Flash Point: 75.6 °C

Density: 1.363 g/cm3