Desogestrel EP Impurity B

High performance liquid chromatography​/ion-​trap mass spectrometry for separation and simultaneous determination of ethynylestradiol, gestodene, levonorgestrel, cyproterone acetate and desogestrel
By Matejicek, David; Kuban, Vlastimil
From Analytica Chimica Acta (2007), 588(2), 304-315
 
A validated simultaneous RP-​HPLC method for determination of Desogestrel and Ethinyl Estradiol tablets
By Sarat, M.; Rambabu, C.
From International Journal of Pharmacy and Pharmaceutical Sciences (2012), 4(Suppl. 5), 115-119
 
Determination of organic solvent residues in desogestrel by headspace capillary gas chromatography
By Li, Qiang; Gong, Aiqin
From Fenxi Yiqi (2010), (1), 46-50
 

Desogestrel EP Impurity B is chemically 11-Methylidene-19-nor-17α-pregn-4-en-20-yn-17-ol (as per EP);. It is also known as 11-Methylenelynestrenol. Desogestrel EP Impurity B is supplied with detailed characterization data compliant with regulatory guideline. Desogestrel EP Impurity B 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 Desogestrel.

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.