Drospirenone EP Impurity I 新品

Drospirenone EP Impurity I is chemically 7β-(Hydroxymethyl)-15α,16α-dihydro-3′H-cyclopropa[15,16]-17α-pregna-3,5-diene-21,17-carbolactone (as per EP) ; 17-Hydroxy-7β-hydroxymethyl-15β,16β-methylene-17α-pregn-3,5(6)-diene-21-carboxylic acid, γ-lactone (as per USP). It is also known as 7β-Hydroxymethyldiene Drospirenone (EP) ; 7-Hydroxymethyl 3,5(6)-diene drospirenone (USP). Drospirenone EP Impurity I is supplied with detailed characterization data compliant with regulatory guideline. Drospirenone EP Impurity I 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.