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RNA polymerase inhibitor

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Catalog No. A10791

Availability:Stock in USAIn stock

Product Name Catalog No. Price Qty
Rifampin 100mg A10791-100

Regular Price: $60.00

Special Price: $54.00

Rifampin 250mg A10791-250

Regular Price: $120.00

Special Price: $108.00

Rifampin 500mg A10791-500

Regular Price: $200.00

Special Price: $180.00

Rifampin 1000mg A10791-1000

Regular Price: $350.00

Special Price: $315.00

Rifampin 10mM * 1mL in DMSO A10791-10mM-D

Regular Price: $64.00

Special Price: $57.60

Products are for laboratory research use only. Not for human use. We do not sell to patients.

Quick Overview

Antibiotic; inhibits bacterial RNA polymerase. Prototypical activator of the pregnane X receptor (PXR).


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Publications citing Adooq Products
Rifampin Citations (1)
  • Meikle V, .et al. A protein complex from human milk enhances the activity of antibiotics and drugs against Mycobacterium tuberculosis, Antimicrob Agents Chemother, 2018, Nov 12. pii: AAC.01846-18 PMID: 30420480

Chemical Information

Catalog Num A10791
Actions Inhibitor
M. Wt 882.94
Formula C43H58N4O12
Solubility DMSO
Purity >98%
Storage at -20°C 3 years Powder
CAS No. 13292-46-1
Synonyms Rifampicin
SMILES C[[email protected]]1/C=C/C=C(\C(=O)NC\2=C(C3=C(C(=C4C(=C3C(=O)/C2=C/NN5CCN(CC5)C)C(=O)[[email protected]](O4)(O/C=C/[[email protected]@H]([[email protected]]([[email protected]]([[email protected]@H]([[email protected]@H]([[email protected]@H]([[email protected]]1O)C)O)C)OC(=O)C)C)OC)C)C)O)O)/C

Biological Activity

Antibiotic; inhibits bacterial RNA polymerase. Prototypical activator of the pregnane X receptor (PXR).
RNA polymerase


Solubility (25°C)* In vitro DMSO 100 mg/mL (121.51 mM)
Water <1 mg/mL (<1 mM)
Ethanol <1 mg/mL (<1 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 11.33 mL 56.63 mL 113.26mL
0.5 mM 2.27 mL 11.33 mL 22.65 mL
1 mM 1.13 mL 5.66 mL 11.33 mL
5 mM 0.23 mL 1.13 mL 2.27 mL

*The above data is based on the productmolecular weight 882.94. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.

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