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Rifaximin EP Impurity H

Rifaximin EP Impurity H

Product Description
CAT No.
ALN-R027009
CAS No.
1210022-90-4
Mol. F.
C43H51N3O12
Mol. Wt.
801.9
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RFQ
Chemical Name : (2S,16Z,18E,20S,21S,22R,23R,24R,25S,26R,27S,28E)-5,6,21,23-tetrahydroxy-16-(hydroxymethyl)-27-methoxy-2,4,11,20,22,24,26-heptamethyl-1,15-dioxo-1,2-dihydro2,7-(epoxypentadeca[1,11,13]trienoimino)[1]benzofuro[4,5-e]pyrido[1,2-a]benzimidazol-25-yl acetate (16-desmethyl-16-(hydroxymethyl)rifaximin).
Smiles : CC1=CC2=NC3=C(C(N4)=C(O)C5=C3C6=C(O[C@](C)(O/C=C/[C@]([H])(OC)[C@@]([H])(C)[C@@]([H])(OC(C)=O)[C@]([H])(C)[C@]([H])(O)[C@@](C)([H])[C@@]([H])(O)[C@](C)([H])/C=C/C=C(CO)\C4=O)C6=O)C(C)=C5O)N2C=C1
Inchi : InChI=1S/C43H49N3O11/c1-19-14-16-46-28(18-19)44-32-29-30-37(50)25(7)40-31(29)41(52)43(9,57-40)55-17-15-27(54-10)22(4)39(56-26(8)47)24(6)36(49)23(5)35(48)20(2)12-11-13-21(3)42(53)45-33(34(32)46)38(30)51/h11-18,20,22-24,27,35-36,39,48-50H,1-10H3/b12-11-,17-15-,21-13-,45-33-/t20-,22+,23+,24+,27-,35-,36+,39+,43-/m0/s1

Structural elucidation of the Rifaximin Ph. Eur. Impurity H

Riccardo Stradi, Donatella Nava, Marino Nebuloni, Barbara Pastura, ElenaPininJournal of Pharmaceutical and Biomedical Analysis Volume 51, Issue 4, 11 March 2010, Pages 858-865

Structure Elucidation of Two Unknown Oxydic Degradation Impurities of Rifaximin

chao liu, chang-qin hu\xa0 and shao-hong jin – Asian Journal of Chemistry; Vol. 23, No. 7 (2011), 3252-3256

Development and validation of rp-hplc method for the estimation of rifaximin in bulk and in tablet dosage form

T.sudha, P.V.hemalatha, V.R.ravikumar,r.jothi, M.radhakrishnan – Asian Journal of Pharmaceutical and Clinical Research Vol.2 Issue 4, October-December 2009

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