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Alternative_name
3E,5E,8S,9E,11S,12R,13E,15E,18S)-3-[[[6-Deoxy-4-O-(3,5-dichloro-2-ethyl-4,6-dihydroxybenzoyl)-2-O-methyl-β-D-mannopyranosyl]oxy]methyl]-12-[[6-deoxy-5-C-methyl-4-O-(2-methyl-1-oxopropyl)-β-D-lyxo-hexopyranosyl]oxy]-11-ethyl-8-hydroxy-18-[(1R)-1-hydroxyethyl]-9,13,15-trimethyl-oxacyclooctadeca-3,5,9,13,15-pentaen-2-one; Clostomicin B1; Dificid; Dificlir; Fidaxomicin; Fidaxomycin; Lipiarmicin; Lipiarmycin; Lipiarmycin A 3; OPT 80; PAR 01; PAR 101; R-Tiacumicin B; Tiacumicin B
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Description
Fidaxomycin is a natural macrocyclic antibiotic and RNA polymerase inhibitor that displays selectivity for Gram-positive bacteria over Gram-negative bacteria (IC₅₀s = 0.4 and 6 μM, respectively). It shows potent antibacterial activity against most Gram-positive bacteria and effectively targets the Gram-positive C. difficile (MIC = 12 ng/ml). Also shown to have excellent bactericidal activity against multidrug-resistant Mycobacterium tuberculosis.
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CAS Number
873857-62-6
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Structure Available
Yes
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Salt Form
No
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Molecular Formula
C₅₂H₇₄Cl₂O₁₈
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Molecular Weight
1058.04
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Cell Permeable
No
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Purity
≥98%
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Solubilities
DMSO
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Handling
Protect from air and light
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Tag Line
A RNA polymerase inhibitor
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Storage Condition
-20°C
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Shipping Condition
Gel pack
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Shelf Life
36 months
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PubChem CID
46174142
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SMILES
CCC1C=C(C(CC=CC=C(C(=O)OC(CC=C(C=C(C1OC2C(C(C(C(O2)(C)C)OC(=O)C(C)C)O)O)C)C)C(C)O)COC3C(C(C(C(O3)C)OC(=O)C4=C(C(=C(C(=C4O)Cl)O)Cl)CC)O)OC)O)C
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InChi
InChI=1S/C52H74Cl2O18/c1-13-30-22-26(6)33(56)18-16-15-17-31(23-66-51-45(65-12)42(61)44(29(9)67-51)69-49(64)35-32(14-2)36(53)39(58)37(54)38(35)57)48(63)68-34(28(8)55)20-19-25(5)21-27(7)43(30)70-50-41(60)40(59)46(52(10,11)72-50)71-47(62)24(3)4/h15-17,19,21-22,24,28-30,33-34,40-46,50-51,55-61H,13-14,18,20,23H2,1-12H3/b16-15+,25-19+,26-22-,27-21+,31-17+/t28-,29-,30+,33+,34+,40-,41+,42+,43+,44-,45+,46+,50-,51-/m1/s1
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InChi Key
ZVGNESXIJDCBKN-LGPUCNCQSA-N
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MSDS Available
Yes
