Drospirenone EP Impurity A 新品

Drospirenone EP Impurity A is chemically 3-oxo-15α,16α-dihydro-3′H-cyclopropa[15,16]-17α-pregn-4-ene-21,17-carbolactone (as per EP) ; 17-Hydroxy-15β,16β-methylene-3-oxo-17α-pregn-4-ene-21-carboxylic acid, γ-lactone (as per USP). It is also known as 6,7-Desmethylenedrospirenone (EP & USP). Drospirenone EP Impurity A is supplied with detailed characterization data compliant with regulatory guideline. Drospirenone 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 Drospirenone.