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Betamethasone Valerate EP Impurity D

Betamethasone Valerate EP Impurity D

Product Description
CAT No.
ALN-B025032
CAS No.
NA
Mol. F.
C27H37BrO6
Mol. Wt.
537.5
Stock
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Chemical Name : 9-Bromo-11β,21-dihydroxy-16β-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(Br)[C@@H](O)C[C@]12C)=O)=O
Inchi : InChI=1S/C27H37FO6/c1-5-6-7-23(33)34-27(22(32)15-29)16(2)12-20-19-9-8-17-13-18(30)10-11-24(17,3)26(19,28)21(31)14-25(20,27)4/h10-11,13,16,19-21,29,31H,5-9,12,14-15H2,1-4H3/t16-,19+,20+,21+,24+,25+,26+,27+/m1/s1
Synonym : 9-Bromo-Betamethasone 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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