Guaifenasin

Guaifenasin Impurities & Reference Standards

Guaifenasin is a high-purity active pharmaceutical ingredient (API) used in the formulation and manufacture of pharmaceutical products. Analytical laboratories rely on Guaifenasin and its associated impurity standards for method development, quality control testing, and pharmacopoeial compliance (ICH, USP, BP, EP). Guaifenasin is available as a certified impurity reference standard with CoA, HPLC chromatograms, and spectroscopic data to support analytical method development and regulatory compliance.