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Betamethasone Valerate EP Impurity C

Betamethasone Valerate EP Impurity C

Product Description
CAT No.
ALN-B025031
CAS No.
33755-46-3
Mol. F.
C27H37FO6
Mol. Wt.
476.6
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RFQ
Chemical Name : 9-Fluoro-11β,21-dihydroxy-16α-methyl-3,20-dioxopregna-1,4-dien-17-yl pentanoate ;
Smiles : CCCCC(O[C@]1(C(CO)=O)[C@H](C)C[C@@]2([H])[C@]3([H])CCC4=CC(C=C[C@]4(C)[C@@]3(F)[C@@H](O)C[C@]12C)=O)=O
Inchi : InChI=1S/C22H29FO4/c1-12-9-17-16-6-5-14-10-15(25)7-8-19(14,3)21(16,23)18(26)11-20(17,4)22(12,27)13(2)24/h7-8,10,12,16-18,26-27H,5-6,9,11H2,1-4H3/t12-,16-,17-,18-,19-,20-,21-,22-/m0/s1
Synonym : Dexamethasone 17-Valerate ;

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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