Guaifenesin EP Impurity B D4

HPTLC-Densitometric Method for Determination of Ascorbic Acid, Paracetamol and Guaifenesin in Presence of Their Toxic Impurities
Nada S Abdelwahab, Eglal A Abdelaleem, Maha M Abdelrahman
Journal of Chromatographic Science, Volume 57, Issue 2, February 2019, Pages 149–155
 
Development and validation of a stability-indicating LC method for simultaneous determination of related compounds of guaifenesin, terbutaline sulfate and ambroxol HCl in cough syrup formulation
K.Lakshmi Narasimha RaoabCh.KrishnaiahaK.Sudheer BabuaK.Padmaja Reddy
Journal of Saudi Chemical Society Volume 18, Issue 5, November 2014, Pages 593-600
 
High-performance liquid chromatographic analysis of dextromethorphan, guaifenesin and benzoate in a cough syrup for stability testing
V. Galli, C. Barbas
Journal of Chromatography A, 1048 (2004) 207–211

Guaifenesin EP Impurity B D4 is chemically 2-(2-Methoxyphenoxy)propane-1,1,3,3-d4-1,3-diol. Guaifenesin EP Impurity B D4 is supplied with detailed characterization data compliant with regulatory guideline. Guaifenesin EP Impurity B D4 can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Guaifenesin.

The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. SynZeal products are for analytical purpose only and not for human use.