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Noradrenaline (NA) or noradrenalin, is an organic chemical in the catecholamine faimily that functions in the human harn an bouk as a hormone an neurotransmitter. Pairts o the bouk that produce or are affectit bi it are referred tae as noradrenergic.

Norepinephrine.svg
Norepinephrine ball-and-stick model.png
IUPAC name (R)-4-(2-amino-1-hydroxyethyl)benzene-1,2-diol
Synonyms Norepinephrine
(R)-(–)-Norepinephrine
l-1-(3,4-Dihydroxyphenyl)-2-aminoethanol
Abbreviation NE, NA
Soorces locus coeruleus; sympathetic nervous seestem; adrenal medulla
Targets seestem-wide
Receptors α1, α2, β1, β3
Agonists sympathomimetic drogs, clonidine, isoprenaline
Antagonists Tricyclic antidepressants, Beta blockers, antipsychotics
Precursor dopamine
Synthesisin enzyme dopamine β-monooxygenase
Metabolisin enzyme MAO-A; COMT
Database links
CAS Nummer 51-41-2 YesY
PubChem CID: 439260
IUPHAR/BPS 505
DrugBank DB00368 YesY
ChemSpider 388394 YesY
KEGG C00547 YesY