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Betamethasone Impurity 4

Betamethasone Impurity 4

Product Description
CAT No.
ALN-B025052
CAS No.
1155886-49-9
Mol. F.
C22H29FO5
Mol. Wt.
392.5
Stock
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RFQ
Chemical Name : (11β,​16β,​17ξ)​-, 9-Fluoro-11,20-dihydroxy-16-methyl-3-oxo-Pregna-1,4-dien-21-oic acid
Smiles : F[C@@]1([C@]2(C=C3)C)[C@](CCC2=CC3=O)([H])[C@@](C[C@H](C)C4C(O)C(O)=O)([H])[C@]4(C)C[C@@H]1O
Inchi : InChI=1S/C29H39FO7/c1-6-8-25(35)36-16-23(33)29(37-24(34)7-2)17(3)13-21-20-10-9-18-14-19(31)11-12-26(18,4)28(20,30)22(32)15-27(21,29)5/h11-12,14,17,20-22,32H,6-10,13,15-16H2,1-5H3/t17-,20-,21-,22-,26-,27-,28-,29-/m0/s1

Application of LCu2013MSn 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 RustumnJournal of Pharmaceutical and Biomedical Analysis 48 (2008) 1451u20131456

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

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