Guaifenesin

November 21, 2005
Image of Guaifenesin

Guaifenesin is an expectorant found in over-the-counter cough and cold medicines such as Robitussin. By loosening phlegm and increasing lubrication in the lungs, it can allow for a productive cough and decreased chest congestion.

Chemical Abstract Service - a division of ACS

Learn more about this molecule from CAS, the most authoritative and comprehensive source for chemical information.

Molecule of the Week needs your suggestions!

If your favorite molecule is not in our archive, please send us a message. The molecule can be notable for its current or historical importance or for any quirky reason. Thank you!

Stay Ahead of the Chemistry Curve

Learn how ACS can help you stay ahead in the world of chemistry.