NF-κB-IN-1

Alias: CHEMBL1800965; NF-κB-IN-1; NF-kappaB-IN-1; NF-|EB-IN-1

Cat No.:V2438 Purity: ≥98%

COA Product Data Instructions for use SDS

NF-κB-IN-1, a 4-arylene curcumin analog, is a potent inhibitor of the NF-κB signaling pathway.

NF-κB-IN-1 Chemical Structure CAS No.: 1227098-15-8
Product category: IκB IKK

This product is for research use only, not for human use. We do not sell to patients.

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Nature 597, 119–125 (2021)

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Nature 2021,597(7874):119-125.

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Product Description
Bioactivity & Protocols
Physicochemical Properties
Solubility Data
Calculators

Product Description

NF-κB-IN-1, a 4-arylene curcumin analog, is a potent inhibitor of the NF-κB signaling pathway. NF-κB-IN-1 directly inhibits IKK to block NF-κB activation. NF-κB-IN-1 can effectively inhibit the viability of lung cancer/tumor cells and weaken the clonal activity of A549 cells.

Biological Activity I Assay Protocols (From Reference)

Targets	NF-κB; IKK
ln Vitro	NF-κB-IN-1 (compound 17) (0.001-100 μM; 72 h) has GI50s of 0.72, 0.07, 0.13, and 0.16 μM, respectively, and inhibits the growth of A549, H1944, H460, and H157 cells for 72 hours[1]. IκB phosphorylation and degradation in A549 cells are effectively blocked by NF-κB-IN-1 (0.5–25 μM; pretreated for 30 min. or 4 h.)[1]. NF-κB-IN-1 (0.1-100 μM; pretreated for 30 min) inhibits TNFα-induced nuclear translocation of NF-B in A549 cells in a dose-dependent manner, with an IC50 of 1.0 μM[1]. The clonogenic activity of lung cancer is inhibited by NF-κB-IN-1 (0.1-0.4 μM; 9 d)[1].
References	[1]. Synthesis and identification of new 4-arylidene curcumin analogues as potential anticancer agents targeting nuclear factor-κB signaling pathway. J Med Chem. 2010 Dec 9;53(23):8260-73.

These protocols are for reference only. InvivoChem does not independently validate these methods.

Physicochemical Properties

Molecular Formula	C31H30O8
Molecular Weight	530.565109729767
Exact Mass	530.194
CAS #	1227098-15-8
Related CAS #	1227098-15-8
PubChem CID	49851904
Appearance	Light yellow to yellow solid
LogP	5.6
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	8
Rotatable Bond Count	12
Heavy Atom Count	39
Complexity	826
Defined Atom Stereocenter Count	0
SMILES	COC1=C(C=C(C=C1)/C=C/C(=O)C(=CC2=CC(=C(C=C2)O)OC)C(=O)/C=C/C3=CC(=C(C=C3)OC)OC)OC
InChi Key	AYIYVEPNEPUJCF-GNXRPPCSSA-N
InChi Code	InChI=1S/C31H30O8/c1-35-27-14-9-20(17-30(27)38-4)6-11-24(32)23(16-22-8-13-26(34)29(19-22)37-3)25(33)12-7-21-10-15-28(36-2)31(18-21)39-5/h6-19,34H,1-5H3/b11-6+,12-7+
Chemical Name	(1E,6E)-1,7-bis(3,4-dimethoxyphenyl)-4-[(4-hydroxy-3-methoxyphenyl)methylidene]hepta-1,6-diene-3,5-dione
Synonyms	CHEMBL1800965; NF-κB-IN-1; NF-kappaB-IN-1; NF-\|EB-IN-1
HS Tariff Code	2934.99.9001
Storage	Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month
Shipping Condition	Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)

Solubility Data

Solubility (In Vitro)	DMSO: 50 mg/mL (94.2 mM)
Solubility (In Vivo)	Solubility in Formulation 1: ≥ 2.5 mg/mL (4.71 mM) (saturation unknown) in 10% DMSO + 40% PEG300 +5% Tween-80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution. For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 + to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL. Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution. (Please use freshly prepared in vivo formulations for optimal results.)

Solubility (In Vitro)

DMSO: 50 mg/mL (94.2 mM)

Solubility (In Vivo)

Solubility in Formulation 1: ≥ 2.5 mg/mL (4.71 mM) (saturation unknown) in 10% DMSO + 40% PEG300 +5% Tween-80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 + to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

(Please use freshly prepared in vivo formulations for optimal results.)

Preparing Stock Solutions		1 mg	5 mg	10 mg
	1 mM	1.8848 mL	9.4238 mL	18.8477 mL
	5 mM	0.3770 mL	1.8848 mL	3.7695 mL
	10 mM	0.1885 mL	0.9424 mL	1.8848 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

Calculator

Mass

Concentration

Volume

Molecular Weight*

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

Calculate the Mass of a compound required to prepare a solution of known volume and concentration
Calculate the Volume of solution required to dissolve a compound of known mass to a desired concentration
Calculate the Concentration of a solution resulting from a known mass of compound in a specific volume

See Example

An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?

Enter 350.26 in the Molecular Weight (MW) box
Enter 10 in the Concentration box and choose the correct unit (mM)
Enter 5 in the Volume box and choose the correct unit (mL)
Click the “Calculate” button
The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Concentration (Start)

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Concentration (End)

Volume (End)

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:

Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
Enter 25 into the Concentration (End) box and select the correct unit (mM)
Enter 25 into the Volume (End) box and choose the correct unit (mL)
Click the “Calculate” button
The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box

Molecular formula

Total molecular weight

g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4 c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:

To calculate molar mass of a chemical compound, please enter the chemical/molecular formula and click the “Calculate’ button.

Definitions of molecular mass, molecular weight, molar mass and molar weight:

Molecular mass (or molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.

Volume (to add to vial)

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Desired Reconstitution Concentration

Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

Enter the mass of the reagent and the desired reconstitution concentration as well as the correct units
Click the “Calculate” button
The answer appears in the Volume (to add to vial) box

In vivo Formulation Calculator (Clear solution)

Step 1: Enter information below (Recommended: An additional animal to make 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 in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)

% DMSO

% Tween 80

% ddH₂O

Calculation results

Working concentration： mg/mL；

Method for preparing DMSO stock solution： mg drug pre-dissolved in μL DMSO (stock solution 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 stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH₂O，mix and clarify.

Note： (1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
(2) Be sure to add the solvent(s) in order.