Guaifenesin

CAS No:
93-14-1 Category:
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Product Details:

  • CAS No: 93-14-1
  • AHFC code: 48:16.0
  • Synonyms: Glycerin guaiacolate
  • ATC Code: R05CA03
  • Chemical Formula: C10H14O4
  • Molecular Weight: 198.2158
  • Assay/Purity: Typically NLT 98%
  • DrugBank: DB00874 (APRD01005)
  • SMILES: COC1=CC=CC=C1OCC(O)CO
  • InChl: 1S/C10H14O4/c1-13-9-4-2-3-5-10(9)14-7-8(12)6-11/h2-5,8,11-12H,6-7H2,1H3
  • PubChem:
  • IUPAC: 3-(2-methoxyphenoxy)propane-1,2-diol

Additional Details

Indication:
Used to assist the expectoration of phlegm from the airways in acute respiratory tract infections.
Pharmacodynamics:
Guaifenesin is an expectorant which increases the output of phlegm (sputum) and bronchial secretions by reducing adhesiveness and surface tension. The increased flow of less viscous secretions promotes ciliary action and changes a dry, unproductive cough to one that is more productive and less frequent. By reducing the viscosity and adhesiveness of secretions, guaifenesin increases the efficacy of the mucociliary mechanism in removing accumulated secretions from the upper and lower airway.
Mode of Action:
Guaifenesin may act as an irritant to gastric vagal receptors, and recruit efferent parasympathetic reflexes that cause glandular exocytosis of a less viscous mucus mixture. Cough may be provoked. This combination may flush tenacious, congealed mucopurulent material from obstructed small airways and lead to a temporary improvement in dyspnea or the work of breathing.
Metabolism:
Rapidly hydrolyzed (60% within seven hours) and then excreted in the urine, with beta-(2-methoxyphenoxy)-lactic acid as its major urinary metabolite.
Toxicity:
LD50 1510 mg/kg (rat, oral)
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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