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Triamcinolone EP Impurity B

SZ CAT No SZ-T028003
CAS No 3859-65-2
Mol.F. C23H29FO7
Mol.Wt. 436.5
Inv. Status Custom Synthesis

Chemical Name: 9-Fluoro-11β,16α,17-trihydroxy-3,20-dioxopregna-1,4-dien-21-yl acetate (as per EP)

Synonym: Triamcinolone 21-acetate

Smiles: F[C@@]1([C@]2(C=C3)C)[C@](CCC2=CC3=O)([H])[C@@](C[C@](O[H])([H])[C@]4(O)C(COC(C)=O)=O)([H])[C@]4(C)C[C@]1([H])O

Inchi: InChI=1S/C25H31FO8/c1-13(27)33-12-20(31)25(32)21(34-14(2)28)10-18-17-6-5-15-9-16(29)7-8-22(15,3)24(17,26)19(30)11-23(18,25)4/h7-9,17-19,21,30,32H,5-6,10-12H2,1-4H3/t17-,18-,19-,21+,22-,23-,24-,25+/m0/s1

Δ14-​steroidal impurity: preparation, characterization and evaluation, as well development of new HPLC method in drug substance like Triamcinolone Hexacetonide
By Shah, Tejas J.; Thakore, Anant R.; Chheda, Abhay H.; Desai, Geeta R.; Tandel, Harish S.
From Asian Journal of Pharmaceutical Analysis and Medicinal Chemistry (2020), 8(1), 7-15
Resolution and quantitation of triamcinolone acetonide and its coformulated drug in the presence of its impurities and degradation products by HPTLC and HPLC
By Abbas, Samah S.; Hegazy, Maha A.; Hendawy, Hassan A. M.; Weshahy, Soheir A.; Abdelwahab, May H.
From Journal of AOAC International (2018), 101(4), 981-991

Development and validation of a stability-​indicating HPLC-​UV method for the determination of triamcinolone acetonide and its degradation products in an ointment formulation
By van Heugten, A. J. P.; de Boer, W.; de Vries, W. S.; Markesteijn, C. M. A.; Vromans, H.
From Journal of Pharmaceutical and Biomedical Analysis (2018), 149, 265-270