Nosiheptide

This product is for research use only, not for human use. We do not sell to patients.

Nosiheptide
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Cat #: V21062 CAS #: 56377-79-8 Purity ≥ 99%

Description: Nosiheptide is a parent compound of thiopeptide family that exhibit potent activities against various bacterial pathogens.

References: Haste NM, et al. Activity of the thiopeptide antibiotic nosiheptide against contemporary strains of methicillin-resistant Staphylococcus aureus. J Antibiot (Tokyo). 2012 Dec;65(12):593-8.

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Molecular Weight (MW)1222.36
Molecular FormulaC51H43N13O12S6
CAS No.56377-79-8
SMILES CodeC/C=C1NC([C@H]([C@H](O)C)NC(C2csC(c3c(C4csC([C@@H]5CSC(c([nH]6)c(C)c7c6cccc7COC([C@H](C[C@@H](C8[N]C(C(N5)=O)cs8)NC(C9csC\1[N]9)=O)O)=O)=O)[N]4)nc(c%10scc(C(NC(C(N)=O)=C)=O)n%10)c(O)c3)[N]2)=O)=O
SynonymsRP 9671; RP-9671; RP9671; Nosiheptide; Multhiomycin; Multiomycin; Nosiheptidum
ProtocolIn VitroNosiheptide exhibits extremely potent activity against all contemporary Staphylococcus aureus strains tested including multiple drug-resistant clinical isolates, with MIC values ≤ 0.25 mg/L. Nosiheptide is also highly active against Enterococcus spp and the contemporary hypervirulent BI strain of Clostridium difficile but is inactive against most Gram-negative strains tested. Time-kill analysis reveals Nosiheptide to be rapidly bactericidal against Staphylococcus aureus in a concentration- and time-dependent manner, with a nearly 2-log kill noted at 6 hours at 10X MIC. Furthermore, Nosiheptide is found to be non-cytotoxic against mammalian cells at >> 100X MIC, and its anti-Staphylococcus aureus activity is not inhibited by 20% human serum. Notably, Nosiheptide exhibits a significantly prolonged post-antibiotic effect against both healthcare- and community-associated Staphylococcus aureus compared to vancomycin.
In VivoNosiheptide (20 mg/kg; intraperitoneal injection; injected at 1 and 8 h post-infection; female CD1 mice) provids significant protection against mortality. Ten out of 10 of the Nosiheptide-treated mice remains alive on day 3, while 6/10 of the controls died on day 1.
Animal modelEight week old female CD1 mice injected with HA-Staphylococcus aureus strain Sanger 252
These protocols are for reference only. InvivoChem does not independently validate these methods.
Preparing Stock Solutions
Solvent volume to be added Mass (the weight of a compound)
Mother liquor concentration 1mg5mg10mg20mg
1mM0.8181 mL4.0904 mL8.1809 mL16.3618 mL
5mM0.1636 mL0.8181 mL1.6362 mL3.2724 mL
10mM0.0818 mL0.4090 mL0.8181 mL1.6362 mL
20mM0.0409 mL0.2045 mL0.4090 mL0.8181 mL
The molarity calculator equation
Mass(g) = Concentration(mol/L) × Volume(L) × Molecular Weight(g/mol)
Mass
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Concentration
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Volume
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Molecular Weight*
The dilution calculator equation
Concentration(start) × Volume(start) = Concentration(final) × Volume(final)

This equation is commonly abbreviated as: C1 V1 = C2 V2

Concentration(start)
C1
×
Volume(start)
V1
=
Concentration(final)
C2
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Volume(final)
V2
Step One: Enter information below
Dosage mg/kg Average weight of animals g Dosing volume per animal µL Number of animals
Step Two: Enter the in vivo formulation
%DMSO + % + %Tween 80 + %ddH2O

Calculation Results:
Working concentration: mg/ml;
Method for preparing DMSO master liquid: mg drug pre-dissolved in µL DMSO(Master liquid concentration mg/mL) ,Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.
Method for preparing in vivo formulation: Take µL DMSO master liquid, next add µL PEG300, mix and clarify, next add µL Tween 80,mix and clarify, next add µL ddH2O,mix and clarify.
Note:
  • (1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
  • (2) Be sure to add the solvent(s) in order.