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Cat. No.: HY-183702

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BDM91531

BDM91531 is a AcrB inhibitor with an EC₅₀ of 0.16 μM against E. coli. BDM91531 acts as an antibiotic potentiator to restore the sensitivity of wild-type Escherichia coli to multiple AcrB substrate antibiotics. BDM91531 exhibits antibacterial activity. BDM91531 can be used in the research of bacterial infections.

For research use only. We do not sell to patients.

CAS No.: 2892824-73-4
Formula: C₂₀H₂₁ClN₄
Molecular Weight:352.86

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Please store the product under the recommended conditions in the Certificate of Analysis.

BDM91531 Chemical Structure

CAS No.: 2892824-73-4

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Biological Activity
- Description
- In Vitro
Chemical Information
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Biological Activity

Description

All Antibiotic Isoforms :

In Vitro

BDM91531 (Compound 6) (4.5 h) potently enhances the activity of AcrB substrate antibiotics in wild-type E. coli BW25113 by inhibiting the AcrAB-TolC efflux pump, with an EC₉₀ of 0.24 μM against pyridomycin^[1].
BDM91531 (20 min) binds tightly to purified wild-type E. coli AcrB, induces its thermal stability, with a half-effective concentration of approximately 156 nM^[1].
BDM91531 (0-5 μM; 16 h) induces concentration-dependent growth inhibition in E. coli BW25113ΔacrB complementarily expressing wild-type AcrB in the presence of Erythromycin (HY-B0220), and its activity depends on the negatively charged residues (E947, D951) at the cytoplasmic rim of AcrB^[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Chemical Information

CAS No. 2892824-73-4
Molecular Weight 352.86
Formula C₂₀H₂₁ClN₄
SMILES

NCC1=CC(C(C=C2)=CC3=C2N=C(N4CCNCC4)C(Cl)=C3)=CC=C1
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

Please store the product under the recommended conditions in the Certificate of Analysis.

Purity & Documentation

Handling Instructions (2659 KB)

References

[1]. Börnsen C, et al. Molecular mechanism of transition-state inhibitors of bacterial antibiotic efflux pumps. NPJ Antimicrob Resist. 2026;4(1):35. Published 2026 May 4. [Content Brief]

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Help & FAQs

How should lyophilized recombinant proteins be reconstituted and stored?

1. Before opening the cap, centrifuge the vial at 13000 rpm for 20-30 seconds. This step will ensure that any lyophilized powder that may have adhered to the cap or walls is collected at the bottom of the vial, minimizing the risk of product loss.

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100 mg

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Biological Activity
- Description
- In Vitro
Chemical Information
Purity & Documentation
References

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BDM91531

All Antibiotic Isoforms

Biological Activity

Chemical Information

Purity & Documentation

References

Calculators

Help & FAQs

BDM91531 Related Classifications

HY-183702 Related Classifications