Chemical Name: 2-((4aS,4bS,5aS,6aS,7R,9aS,9bS)-7-Hydroxy-4a,6a-dimethyl-2-oxo-2,4a,5a,6,6a,7,8,9,9a,9b,10,11-dodecahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-7-yl)-2-oxoethyl acetate
Smiles: C[C@@](C(CC1)=CC2=O)(C=C2)[C@@]3([C@]1([H])[C@@](CC[C@]4(O)C(COC(C)=O)=O)([H])[C@]4(C)C5)[C@H]5O3
Inchi: InChI=1S/C15H21NO4/c1-18-14-4-3-13(12-17)11-15(14)20-8-2-5-16-6-9-19-10-7-16/h3-4,11-12H,2,5-10H2,1H3
Application of LC–MSn in conjunction with mechanism-based stress studies in the elucidation of drug impurity structure: Rapid identification of a process impurity in betamethasone 17-valerate drug substance
Min Li, Mingxiang Lin, Abu Rustum
Journal of Pharmaceutical and Biomedical Analysis 48 (2008) 1451–1456
Development and Validation of Stability-indicating HPLC Method for Betamethoasone Dipropionate and Related Substances in Topical Formulation
A. s. vairale*, p. sivaswaroop1 and s. bandana
Indian Journal of Pharmaceutical Sciences 74(2):107-15