Pharmaceutical Reference Standards / Impurity Standards

Guaifenesin
Guaifenesin Reference Standard
Guaifenesin EP Impurity B
Guaifenesin EP Impurity C
Guaifenesin EP impurity D
2,6-Dichlorophenylacetic Acid Methyl Ester
Glycerin-1-(4-aminobenzoat)
Guaifenesin Impurity 2
Guaifenesin Impurity 4
Dextromethorphan-10-ol

Metabolites

3-(2-Methoxyphenoxy) Lactic Acid

Isotope Labelled Compounds

Guaifenesin D3
Guaifenesin-D5