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Active ingredient: Morphine - Chemisty and Biological Activity

Chemisty and Biological Activity

Chemical Formula


Chemical Name


Chemical Structure

Molecular Weight

285.338 g/mol

Physical State


Melting Point

255oC (sulfate salt)

Water Solubility

149 mg/L (60 mg/mL for sulfate salt)

Isoelectric Point


Organisms Affected

Humans and other mammals

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


Primary Drug Target
NameMu-type opioid receptor
Gene NameOPRM1
General FunctionSignal transduction, cell-cell communication
Specific FunctionInhibits neurotransmitter release by reducing calcium ion currents and increasing potassium ion conductance. Receptor for beta-endorphin

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