(Z)-4-Hydroxy-N-Desmethyl Tamoxifen 

Simultaneous Determination of Tamoxifen Citrate and Its E Isomer Impurity in Bulk Drug and Tablets by High-Performance Liquid Chromatography
Harry G.Jalonen
Journal of Pharmaceutical Sciences Volume 77, Issue 9, September 1988, Pages 810-813
 
Quantitative monitoring of tamoxifen in human plasma extended to 40 metabolites using liquid-chromatography high-resolution mass spectrometry: New investigation capabilities for clinical pharmacology
Elyes Dahmane, Julien Boccard, Chantal Csajka, Serge Rudaz
Analytical and Bioanalytical Chemistry 406(11)
 
Analysis of Tamoxifen and Its Metabolites by On-Line Capillary Electrophoresis−Electrospray Ionization Mass Spectrometry Employing Nonaqueous Media Containing Surfactants
Wenzhe Lu, Grace K. Poon, Paul L. Carmichael, and Richard B. Cole
Anal. Chem. 1996, 68, 4, 668–674

(Z)-4-Hydroxy-N-Desmethyl Tamoxifen  is chemically 4-[(1Z)-1-[4-[2-(Methylamino)ethoxy]phenyl]-2-phenyl-1-buten-1-yl]phenol. It is also known as Endoxifen. (Z)-4-Hydroxy-N-Desmethyl Tamoxifen  is supplied with detailed characterization data compliant with regulatory guideline. (Z)-4-Hydroxy-N-Desmethyl Tamoxifen  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 Tamoxifen.

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.