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NGI-1 Antiviral inhibitor

Name: NGI-1
Brand: Selleck Chemicals
SKU: S8750
Availability: InStock
Rating: 5 (4 reviews)

Cat.No.S8750

NGI-1 is an aminobenzamide-sulfonamide compound that targets both oligosaccharyltransferase (OST) isoforms and therefore may exhibit antiviral activity against flaviviruses.

Chemical Structure

Molecular Weight: 394.51

Jump to Mechanism of Action Solubility Chemical Information, Storage & Stability

Quality Control

Batch: S875001 DMSO]79 mg/mL]false]Water]Insoluble]false]Ethanol]Insoluble]false Purity: 99.9%

99.9

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Chemical Information, Storage & Stability

Molecular Weight	394.51	Formula	C₁₇H₂₂N₄O₃S₂	Storage (From the date of receipt)	3 years -20°C powder
CAS No.	790702-57-7	--		Storage of Stock Solutions	1 year-80°Cin solvent 1 month-20°Cin solvent
Synonyms	ML414			Smiles	CC1=CN=C(S1)NC(=O)C2=C(C=CC(=C2)S(=O)(=O)N(C)C)N3CCCC3

Solubility

In vitro
Batch:

DMSO : 79 mg/mL (200.24 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)

Water : Insoluble

Ethanol : Insoluble

Molarity Calculator

Mass	Concentration	Volume	Molecular Weight
Mass value Mass unit	Concentration value Concentration unit	Volume value Volume unit	Molecular weight (g/mol)

Dilution Calculator Molecular Weight Calculator

In vivo batch selection In vivo Batch:
Homogeneous suspension	CMC-NA	≥5mg/ml	Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.
Clear solution	5%DMSO 1 40%PEG300 2 5%Tween80 3 50%ddH2O Validated by Selleck labs. Should you need adjustments to this formulation, contact our sales team for custom testing.	3.950mg/ml (10.01mM)	Taking the 1 mL working solution as an example, add 50 μL of 79 mg/ml clarified DMSO stock solution to 400 μL of PEG300, mix evenly to clarify it; add 50 μL of Tween80 to the above system, mix evenly to clarify; then continue to add 500 μL of ddH2O to adjust the volume to 1 mL. The mixed solution should be used immediately for optimal results.
Clear solution	5% DMSO 1 95% Corn oil Validated by Selleck labs. Should you need adjustments to this formulation, contact our sales team for custom testing.	0.490mg/ml (1.24mM)	Taking the 1 mL working solution as an example, add 50 μL of 9.8 mg/ml clear DMSO stock solution to 950 μL of corn oil and mix evenly. The mixed solution should be used immediately for optimal results.

In vivo Formulation Calculator (Clear solution)

Step 1: Enter information below (Recommended: An additional animal making an allowance for loss during the experiment)

Dosage: mg/kg

Average weight of animals: g

Dosing volume per animal: μL

Number of animals:

Step 2: Enter the in vivo formulation (This is only the calculator, not formulation. Please contact us first if there is no in vivo formulation at the solubility Section.)

% DMSO

% Tween 80

% ddH₂O

% DMSO

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 addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH₂O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such
as vortex, ultrasound or hot water bath can be used to aid dissolving.

Mechanism of Action

Targets/IC₅₀/Ki	oligosaccharyltransferase (OST) ^[1]
In vitro	NGI-1 is a reversible catalytic subunit inhibitor of the oligosaccharyltransferase (OST) that has higher specificity for STT3B compared to STT3A (STT: OST catalytic subunit). In non-small cell lung cancer cells this compound blocks cell surface localization and signaling of the EGFR glycoprotein, but selectively arrests proliferation in only those cell lines that are dependent on EGFR (or FGFR) for survival. In these cell lines OST inhibition causes cell cycle arrest accompanied by induction of p21, autofluorescence, and changes in cell morphology; all hallmarks of senescence^[1]. It exhibits broad antiviral activity against multiple flaviviruses. This inhibitor blocks viral RNA replication independent of inhibition of the catalytic activity of the OST complex^[2].
References	[1] https://pubmed.ncbi.nlm.nih.gov/27694802/ [2] https://pubmed.ncbi.nlm.nih.gov/29241533/

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