Guaifenesin

Chemical Formula:C₁₀H₁₄O₄ 

Molecular Weight: 198.22

CAS Number: 93-14-1

Description:Guaifenesin USP. white to slightly gray crystalline powder, ≥98%(HPLC)

Guaifenesin is an expectorant commonly found in OTC products for the symptomatic relief from congested chests and coughs associated with cold, bronchitis, and/or other breathing illnesses.