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Fluticasone Impurity 23

Fluticasone Impurity 23

Product Description
CAT No.
ALN-F016072
CAS No.
2408725-64-2
Mol. F.
C42H50F4O9
Mol. Wt.
774.8
Stock
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Chemical Name : (6S,8S,9R,10S,11S,13S,14S,16R,17R)-17-(((6S,8S,9R,10S,11S,13S,14S,16R,17R)-6,9-Difluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carbonyl)oxy)-6,9-difluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylic acid
Smiles : O=C([C@]([C@]([C@@]([C@@](C[C@@H]1F)([H])[C@]2([C@](C1=CC3=O)(C=C3)C)F)([H])C4)(C[C@@H]2O)C)([C@@H]4C)O)O[C@@]([C@]([C@@]([C@@](C[C@@H]5F)([H])[C@]6([C@](C5=CC7=O)(C=C7)C)F)([H])C8)(C[C@@H]6O)C)([C@@H]8C)C(O)=O

Characterisation of impurities in bulk drug batches of fluticasone propionate using directly coupled HPLCu2013NMR spectroscopy and HPLCu2013MS

Nisha Mistry a , Ismail M. Ismail b , Marco S. Smith c , Jeremy K. Nicholson d , John C. LindonnJournal of Pharmaceutical and Biomedical Analysis 16 (1997) 697u2013705

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