Chemical Name: (8S,9R,10S,11S,13S,14S,16S,17R)-9-Chloro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one;
Synonym: Beclomethasone
Smiles: C[C@@]1([H])C[C@@]2([H])[C@]3([H])CC([H])([H])C4=CC(C=C[C@]4(C)[C@@]3(Cl)[C@](O)([H])C[C@]2(C)[C@@]1(O)C(CO[H])=O)=O
Inchi: InChI=1S/C7H6O2/c8-7(9)6-4-2-1-3-5-6/h1-5H,(H,8,9)/i1D,2D,3D,4D,5D
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