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Clobetasone Butyrate EP Impurity I

SZ CAT No SZ-C053009
CAS No 639817-47-3
Mol.F. C26H32ClFO5
Mol.Wt. 479.0
Inv. Status Custom Synthesis


Chemical Name: 21-Chloro-9-fluoro-16β-methyl-3,11,20-trioxopregna-1,4-dien-17-yl 2-methylpropanoate; 17-O-isobutyryl clobetasone

Synonym: 17-O-isobutyryl clobetasone

Smiles: CC(C)C(O[C@@](C(CCl)=O)([C@]1(C2)C)[C@@H](C)C[C@@]1([H])[C@]3([H])CCC4=CC(C=C[C@]4(C)[C@@]3(F)C2=O)=O)=O

Inchi: InChI=1S/C25H30ClFO5/c1-5-21(31)32-25(20(30)13-26)14(2)10-18-17-7-6-15-11-16(28)8-9-22(15,3)24(17,27)19(29)12-23(18,25)4/h8-9,11,14,17-18H,5-7,10,12-13H2,1-4H3/t14-,17-,18-,22-,23-,24-,25-/m0/s1