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  • #LGM Pharma offers this active ingredient but not the finished dosage forms.

Product Details:

  • CAS No: 18559-94-9
  • AHFC code: 12:12.08.12 48:12.04.12
  • Synonyms: Albuterol Albuterol Sulfate Albuterol Sulphate Levalbuterol Salbutamol Sulfate Salbutamol Sulphate
  • ATC Code: R03CC02 R03AC02
  • Chemical Formula: C38H50N6O5
  • Molecular Weight: 239.3107
  • Assay/Purity: Typically NLT 98%
  • DrugBank: DB01001 (APRD00553)
  • SMILES: CC(C)(C)NCC(O)C1=CC(CO)=C(O)C=C1
  • InChl: NDAUXUAQIAJITI-UHFFFAOYSA-N
  • PubChem: 2083
  • IUPAC: 4-[2-(tert-butylamino)-1-hydroxyethyl]-2-(hydroxymethyl)phenol

Additional Details

Indication:
For symptomatic relief and prevention of bronchospasm due to bronchial asthma, chronic bronchitis, and other chronic bronchopulmonary disorders such as COPD.
Pharmacodynamics:
Salbutamol (INN) or albuterol (USAN), a moderately selective beta(2)-receptor agonist similar in structure to terbutaline, is widely used as a bronchodilator to manage asthma and other chronic obstructive airway diseases. The R-isomer, levalbuterol, is responsible for bronchodilation while the S-isomer increases bronchial reactivity. The R-enantiomer is sold in its pure form as Levalbuterol. The manufacturer of levalbuterol, Sepracor, has implied (although not directly claimed) that the presence of only the R-enantiomer produces fewer side-effects.
Mode of Action:
Salbutamol is a beta(2)-adrenergic agonist and thus it stimulates beta(2)-adrenergic receptors. Binding of albuterol to beta(2)-receptors in the lungs results in relaxation of bronchial smooth muscles. It is believed that salbutamol increases cAMP production by activating adenylate cyclase, and the actions of salbutamol are mediated by cAMP. Increased intracellular cyclic AMP increases the activity of cAMP-dependent protein kinase A, which inhibits the phosphorylation of myosin and lowers intracellular calcium concentrations. A lowered intracellular calcium concentration leads to a smooth muscle relaxation and bronchodilation. In addition to bronchodilation, salbutamol inhibits the release of bronchoconstricting agents from mast cells, inhibits microvascular leakage, and enhances mucociliary clearance.
Metabolism:
Hydrolyzed by esterases in tissue and blood to the active compound colterol. The drug is also conjugatively metabolized to salbutamol 4'-O-sulfate.
Toxicity:
LD50=1100 mg/kg (orally in mice)
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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