Entacapone EP Impurity A

Development and Validation of a RP-HPLC Method for Determination of Related Substances and Degradants in Entacapone
Dasari Purnachand, Arava Veerareddy, Bhoomireddy Ramadevi, Ch.V.S.L. Kameswarrao, Bethi Madhusudhanreddy
Journal of Chromatographic Science, Volume 54, Issue 8, September 2016, Pages 1310–1323
 
Quantification of intermediate, unknown impurities and z isomer in entacapone api by hplc
Shashikant Aswale, Sunanda Aswale, Sachin Zade and Padma
Aswale et al., IJPSR, 2015; Vol. 6(7): 3076-3082.
 
Analytical Method Development and Validation of Entacapone Drug by Modern LC-MS/MS Method to Quantify the Genotoxic Impurity
Murali Krishna Prasad Vallabhaneni1,2* , Anjaneyulu Yerramilli1 , Rajendiran Chinnapillai2 and Yesu Babu Nalamolu
Journal of Chemical and Pharmaceutical Research, 2017, 9(12):1-8

Entacapone EP Impurity A is chemically (Z)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethylacrylamide. It is also known as Entacapone USP Related Compound A ; (Z)-Entacapone. Entacapone EP Impurity A is supplied with detailed characterization data compliant with regulatory guideline. Entacapone EP Impurity A 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 Entacapone.

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.