Guaifenesin is an expectorant reported to have muscle relaxant and sedative activity. It is used in many cough preparations. References: Melegari C, Bertoni S, Genovesi A, Hughes K, Rajabi-Siahboomi AR, Passerini N, Albertini B. Ethylcellulose film coating of guaifenesin-loaded pellets: A comprehensive evaluation of the manufacturing process to prevent drug migration. Eur J Pharm Biopharm. 2016 Mar;100:15-26. doi: 10.1016/j.ejpb.2015.12.001. Epub 2015 Dec 11. PubMed PMID: 26686647.

纯度：≥98%

CAS：93-14-1