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Active ingredient: Astemizole - Chemisty and Biological Activity

Chemisty and Biological Activity

Chemical Formula

C28H31FN4O

Chemical Name

1-[(4-fluorophenyl)methyl]-N-[1-[2-(4-methoxyphenyl)ethyl]-4-piperidyl]- benzoimidazol-2-amine

Chemical Structure

Molecular Weight

458.571 g/mol

Physical State

Solid

Melting Point

149.1oC

Water Solubility

432 mg/L

Isoelectric Point

Not Available

Organisms Affected

Humans and other mammals

Phase 1 Metabolising Enzyme (1-st Step of Metabolism)

CYP3A4

Primary Drug Target
NameHistamine H1 Receptor
Gene NameHRH1
SynonymsHistamine H1 receptor
Specific FunctionIn peripheral tissues, the H1 subclass of histamine receptors mediates the contraction of smooth muscles, increase in capillary permeability due to contraction of terminal venules, and catecholamine release from adrenal medulla, as well as mediating neurotransmission in the central nervous system

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