• #LGM Pharma is a Naltrexone CAS# 16590-41-3 API supplier distributor based in the USA. Inquire about DMF, cGMP, price, availability, delivery, purity, and more.
  • #Questions? Call our customer API support number 1-(800)-881-8210.
  • #LGM Pharma offers this active ingredient but not the finished dosage forms.

Product Details:

  • CAS No: 16590-41-3
  • AHFC code: 28:10.0
  • Synonyms:
  • ATC Code: N07BB04
  • Chemical Formula: C33H47NO13
  • Molecular Weight: 341.4009
  • Assay/Purity: Typically NLT 98%
  • DrugBank: DB00704 (APRD00005, DB05067)
  • SMILES: OC1=C2O[C,H]3C(=O)CC[C,,]4(O)[C,H]5CC(C=C1)=C2[C,,]34CCN5CC1CC1
  • InChl: DQCKKXVULJGBQN-XFWGSAIBSA-N
  • PubChem: 5360515
  • IUPAC: (1S,5R,13R,17S)-4-(cyclopropylmethyl)-10,17-dihydroxy-12-oxa-4-azapentacyclo[9.6.1.0^{1,13}.0^{5,17}.0^{7,18}]octadeca-7(18),8,10-trien-14-one

Additional Details

Indication:
Used as an adjunct to a medically supervised behaviour modification program in the maintenance of opiate cessation in individuals who were formerly physically dependent on opiates and who have successfully undergone detoxification. Also used for the management of alcohol dependence in conjunction with a behavioural modification program.
Pharmacodynamics:
Naltrexone, a pure opioid antagonist, is a synthetic congener of oxymorphone with no opioid agonist properties. Naltrexone is indicated in the treatment of alcohol dependence and for the blockade of the effects of exogenously administered opioids. It markedly attenuates or completely blocks, reversibly, the subjective effects of intravenously administered opioids. When co-administered with morphine, on a chronic basis, naltrexone blocks the physical dependence to morphine, heroin and other opioids. In subjects physically dependent on opioids, naltrexone will precipitate withdrawal symptomatology.
Mode of Action:
Naltrexone is a pure opiate antagonist and has little or no agonist activity. The mechanism of action of naltrexone in alcoholism is not understood; however, involvement of the endogenous opioid system is suggested by preclinical data. Naltrexone is thought to act as a competitive antagonist at mc, _, and _ receptors in the CNS, with the highest affintiy for the _ receptor. Naltrexone competitively binds to such receptors and may block the effects of endogenous opioids. This leads to the antagonization of most of the subjective and objective effects of opiates, including respiratory depression, miosis, euphoria, and drug craving. The major metabolite of naltrexone, 6-_-naltrexol, is also an opiate antagonist and may contribute to the antagonistic activity of the drug.
Metabolism:
Hepatic. When administered orally, naltrexone undergoes extensive biotransformation and is metabolized to 6 beta-naltrexol (which may contribute to the therapeutic effect) and other minor metabolites.
Toxicity:
In the mouse, rat and guinea pig, the oral LD50s were 1,100-1,550 mg/kg; 1,450 mg/kg; and 1,490 mg/kg; respectively. High doses of naltrexone (generally _1,000 mg/kg) produce salivation, depression/reduced activity, tremors, and convulsions.
General Reference:
Products currently covered by valid US Patents are offered for R&D use in accordance with 35 USC 271(e)+A13(1). Any patent infringement and resulting liability is solely at buyer risk.

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