Rifaximin (Xifaxan)

Catalog No.: A10793
Rifaximin is a semisynthetic, rifamycin-based non-systemic antibiotic, meaning that very little of the drug will pass the gastrointestinal wall into the circulation as is common for other types of orally administered antibiotics.
Grouped product items
Product Name Price Stock Qty
Rifaximin (Xifaxan) 100mg
$40.00
In stock
Rifaximin (Xifaxan) 500mg
$55.00
In stock
Rifaximin (Xifaxan) 1000mg
$85.00
In stock
Rifaximin (Xifaxan) 10mM * 1mL in DMSO
$50.00
In stock
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Biological Activity
Discription Rifaximin is a semisynthetic, rifamycin-based non-systemic antibiotic, meaning that very little of the drug will pass the gastrointestinal wall into the circulation as is common for other types of orally administered antibiotics.
Targets
Target Value
Product Information
Catalog Num A10793
Formula C43H51N3O11
Molecular Weight 785.88
CAS Number 80621-81-4
SMILES C[C@H]1/C=C/C=C(\C(=O)NC2=C(C3=C(C4=C(C(=C3O)C)O[C@@](C4=O)(O/C=C/[C@@H]([C@H]([C@H]([C@@H]([C@@H]([C@@H]([C@H]1O)C)O)C)OC(=O)C)C)OC)C)C5=C2N6C=CC(=CC6=N5)C)O)/C
Storage

Store lyophilized at -20ºC, keep desiccated.
In lyophilized form, the chemical is stable for 36 months.
In solution, store at -20ºC and use within 3 months to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.

Solubility
In vitro DMSO 45 mg/mL (57.26 mM)
Water Insoluble
Ethanol 3 mg/mL (3.81 mM)
* <1 mg/ml means slightly soluble or insoluble.
* Please note that Adooq tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
Preparing Stock Solutions
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
0.1 mM 12.72 mL 63.62 mL 127.25 mL
0.5 mM 2.54 mL 12.72 mL 25.45 mL
1 mM 1.27 mL 6.36 mL 12.72 mL
5 mM 0.25 mL 1.27 mL 2.54 mL
Useful Calculator

This calculator helps you calculate mass of compound based on solution concentration, volume and molecular weight in a specific solution using the formula:

Mass (mg) = Concentration (mM) × Volume (mL) × Molecular Weight (g/mol)

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    Molecular Weight

Please check COA/MSDS for correct molecular weight.

Calculate the dilution required to prepare a stock solution.
This equation is commonly abbreviated as: C1V1 = C2V2

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    C2

    V2

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