Guaifenesin Impurities

Find here the secondary pharmaceutical standard of the native API Guaifenesin traceable to USP and PhEur.

Product #

Product Image

Product Name

Synonym

Add to Cart

91277 1,3-Bis(2-methoxyphenoxy)-2-propanol pharmaceutical impurity standard 1,3-Bis(2-methoxyphenoxy)propan-2-ol Guaifenesin impurity D (PhEur) NSC 142122
PHR1136 Guaiacol Pharmaceutical Secondary Standard; Certified Reference Material 2-Methoxyphenol Catechol monomethyl ether Pyrocatechol monomethyl ether
PHR1543   2-(2-methoxyphenoxy)-1,3-propanediol (Guaifenesin Impurity B) Pharmaceutical Secondary Standard; Certified Reference Material 2-(2-Methoxyphenoxy)-1,3-propanediol 2-(2-Methoxyphenoxy)propane-1,3-diol
79213 1,1′-Oxybis[3-(2-methoxyphenoxy)-2-propanol] pharmaceutical impurity standard Guaifenesin impurity C (PhEur)