Arbidol HCl

For research use only.

Catalog No.S2120 Synonyms: Umifenovir hydrochloride, Arbidol hydrochloride

Arbidol HCl Chemical Structure

CAS No. 131707-23-8

Arbidol HCl (Umifenovir) is a broad-spectrum antiviral compound that blocks viral fusion, used in treatment of influenza and other respiratory viral infections.

Purity & Quality Control

Choose Selective Influenza Virus Inhibitors

Biological Activity

Description Arbidol HCl (Umifenovir) is a broad-spectrum antiviral compound that blocks viral fusion, used in treatment of influenza and other respiratory viral infections.
In vitro

Arbidol inhibits the cell entry of HCV pseudoparticles of genotypes 1a, 1b, and 2a in a dose-dependent fashion. Arbidol also displays a dose-dependent inhibition of HCV membrane fusion, as assayed by using HCV pseudoparticles (HCVpp) and fluorescent liposomes. [1] Arbidol is found to present potent inhibitory activity against enveloped and non-enveloped RNA viruses, including FLU-A, RSV, HRV 14 and CVB3 when added before, during, or after viral infection, with IC50 ranging from 2.7 to 13.8 mg/mL. Arbidol shows selective antiviral activity against AdV-7, a DNA virus, only when added after infection (therapeutic index (TI) = 5.5). [2] Arbidol induces changes to viral mRNA synthesis of the PB2, PA, NP, NA, and NS genes in MDCK cultures infected with influenza A/PR/8/34. [3] Arbidol interacts and modifies the physicochemical properties of the phospholipids in the membrane, having a significant effect on negatively charged phospholipids but a minor one on zwitterionic phospholipids. Arbidol is located at the interface of the membrane, participates in hydrogen bonding either with water or the phospholipid or both, and decreases the hydrogen bonding network of the phospholipids giving place to a phospholipid phase similar to the dehydrated solid one. [4] Arbidol is found to have potent inhibitory activity against HTNV when added in vitro before or after viral infection, with IC50 of 0.9 mg/mL and 1.2 mg/mL, respectively. [5]

Protocol

Solubility (25°C)

In vitro DMSO 103 mg/mL (200.43 mM)
Water Insoluble
Ethanol '22 mg/mL

* Please note that Selleck 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.

Chemical Information

Molecular Weight 513.88
Formula

C22H25BrN2O3S.HCl

CAS No. 131707-23-8
Storage powder
in solvent
Synonyms Umifenovir hydrochloride, Arbidol hydrochloride
Smiles CCOC(=O)C1=C(N(C2=CC(=C(C(=C21)CN(C)C)O)Br)C)CSC3=CC=CC=C3.Cl

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Clinical Trial Information

NCT Number Recruitment interventions Conditions Sponsor/Collaborators Start Date Phases
NCT01651663 Unknown status Drug: Arbidol (Umifenovir)|Other: placebo Influenza Pharmstandard September 2011 Phase 4

Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

Handling Instructions

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Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID