Naloxone Systematic (IUPAC) name 17-allyl-4,5α-epoxy- 3,14-dihydroxymorphinan-6-one Identifiers CAS number 465-65-6 ATC code V03AB15 PubChem 4425 DrugBank APRD00025 Chemical data Formula C19H21NO4 Mol. weight 327.27 Pharmacokinetic data Bioavailability 2% (90% absorption but high first-pass metabolism) Metabolism Liver Half life 1-1.5 hours Excretion Urine, Biliary Therapeutic considerations Pregnancy cat. B (USA) B1 (Aus) Legal status Schedu ...
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