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Betamethasone Acetate EP Impurity A

Betamethasone Acetate EP Impurity A

Product Description
CAT No.
ALN-B025013
CAS No.
378-44-9
Mol. F.
C22H29FO5
Mol. Wt.
392.5
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RFQ
Chemical Name : 9-Fluoro-11β,17,21-trihydroxy-16β-methylpregna-1,4-diene-3,20-dione ;
Smiles : C[C@@]12[C@](C(CO)=O)(O)[C@@H](C)C[C@@]1([H])[C@]3([H])CCC4=CC(C=C[C@]4(C)[C@@]3(F)[C@@H](O)C2)=O
Inchi : InChI=1S/C24H31FO6/c1-13-9-18-17-6-5-15-10-16(27)7-8-21(15,3)23(17,25)19(28)11-22(18,4)24(13,30)20(29)12-31-14(2)26/h7-8,10,13,17-19,28,30H,5-6,9,11-12H2,1-4H3/t13-,17-,18-,19-,21-,22-,23-,24-/m0/s1
Synonym : Betamethasone;

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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