1. Anti-infection Cell Cycle/DNA Damage
  2. Dengue virus Flavivirus DNA/RNA Synthesis
  3. NITD008

NITD008  (Synonyms: 7-Deaza-2'-C-acetylene-adenosine)

Cat. No.: HY-12957 Purity: 98.04%
SDS COA Handling Instructions

NITD008 is a potent and selective flaviviruse inhibitor which can inhibit Dengue Virus Type 2 (DENV-2) with an EC50 of 0.64 μM. NITD008 is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

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

NITD008 Chemical Structure

NITD008 Chemical Structure

CAS No. : 1044589-82-3

Size Price Stock Quantity
Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO
ready for reconstitution
USD 231 In-stock
Solution
10 mM * 1 mL in DMSO USD 231 In-stock
Solid
5 mg USD 210 In-stock
10 mg USD 330 In-stock
25 mg USD 650 In-stock
50 mg   Get quote  
100 mg   Get quote  

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Customer Review

Based on 7 publication(s) in Google Scholar

Top Publications Citing Use of Products
  • Biological Activity

  • Protocol

  • Purity & Documentation

  • References

  • Customer Review

Description

NITD008 is a potent and selective flaviviruse inhibitor which can inhibit Dengue Virus Type 2 (DENV-2) with an EC50 of 0.64 μM. NITD008 is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

IC50 & Target

EC50: 0.64 μM (DENV-2)[1]

Cellular Effect
Cell Line Type Value Description References
A549 CC50
> 100 μM
Compound: 1
Cytotoxicity against human A549 cells assessed as intracellular ATP level by Celltiter-Glo luminescent assay
Cytotoxicity against human A549 cells assessed as intracellular ATP level by Celltiter-Glo luminescent assay
[PMID: 20457821]
A549 CC50
> 50 μM
Compound: NITD008
Cytotoxicity against human A549 cells assessed as cell growth inhibition measured after 24 hrs by MTT assay
Cytotoxicity against human A549 cells assessed as cell growth inhibition measured after 24 hrs by MTT assay
[PMID: 35306290]
A549 EC50
0.46 μM
Compound: NITD008
Antiviral activity against Dengue virus 3 MY22366 infected in human A549 cells by CFI assay
Antiviral activity against Dengue virus 3 MY22366 infected in human A549 cells by CFI assay
[PMID: 20516277]
A549 EC50
0.7 μM
Compound: NITD008
Antiviral activity against Dengue virus 4 MY22713 infected in human A549 cells by CFI assay
Antiviral activity against Dengue virus 4 MY22713 infected in human A549 cells by CFI assay
[PMID: 20516277]
A549 EC50
0.7 μM
Compound: 1
Antiviral activity against at 0.3 MOI Dengue virus 2 infected in human A549 cells assessed as level of E protein after 48 hrs by ELISA
Antiviral activity against at 0.3 MOI Dengue virus 2 infected in human A549 cells assessed as level of E protein after 48 hrs by ELISA
[PMID: 20457821]
A549 EC50
1.12 μM
Compound: NITD008
Antiviral activity against Dengue virus 2 MY10340 infected in human A549 cells by CFI assay
Antiviral activity against Dengue virus 2 MY10340 infected in human A549 cells by CFI assay
[PMID: 20516277]
A549 EC50
1.64 μM
Compound: NITD008
Antiviral activity against Dengue virus 2 NGC infected in human A549 cells by CFI assay
Antiviral activity against Dengue virus 2 NGC infected in human A549 cells by CFI assay
[PMID: 20516277]
A549 EC50
2.61 μM
Compound: NITD008
Antiviral activity against Dengue virus 1 MY10245 infected in human A549 cells by CFI assay
Antiviral activity against Dengue virus 1 MY10245 infected in human A549 cells by CFI assay
[PMID: 20516277]
BHK-21 EC50
0.7 μM
Compound: 1
Antiviral activity against at 0.3 MOI of Dengue virus 2 infected in hamster BHK21 cells assessed as reduction in viral titer after 48 hrs postinfection
Antiviral activity against at 0.3 MOI of Dengue virus 2 infected in hamster BHK21 cells assessed as reduction in viral titer after 48 hrs postinfection
[PMID: 20457821]
HEK293 EC50
9.2 μM
Compound: 1
Antiviral activity against Dengue virus 2 infected in human HEK293 cells assessed as level of viral titer after 48 hrs by luciferase reporter gene assay in presence of siRNA targeting adenosine kinase
Antiviral activity against Dengue virus 2 infected in human HEK293 cells assessed as level of viral titer after 48 hrs by luciferase reporter gene assay in presence of siRNA targeting adenosine kinase
[PMID: 20457821]
Huh-7 EC50
0.2 μM
Compound: NITD-008
Antiviral activity against Zika virus H/PF/2013 infected in human HuH7 cells assessed as reduction in virus replication incubated for 24 hrs by plaque reduction assay
Antiviral activity against Zika virus H/PF/2013 infected in human HuH7 cells assessed as reduction in virus replication incubated for 24 hrs by plaque reduction assay
[PMID: 32435384]
Huh-7 EC50
1 μM
Compound: NITD-008
Antiviral activity against Dengue virus 2 EDEN 3295 infected in human HuH7 cells assessed as reduction in virus replication incubated for 48 hrs by plaque reduction assay
Antiviral activity against Dengue virus 2 EDEN 3295 infected in human HuH7 cells assessed as reduction in virus replication incubated for 48 hrs by plaque reduction assay
[PMID: 32435384]
Huh-7 CC50
100 μM
Compound: NITD-008
Cytotoxicity against human Huh-7 cells assessed as reduction in cell viability incubated for 48 hrs by celltiter glo luminescent assay
Cytotoxicity against human Huh-7 cells assessed as reduction in cell viability incubated for 48 hrs by celltiter glo luminescent assay
[PMID: 33208235]
Huh-7 CC50
100 μM
Compound: NITD-008
Cytotoxicity against human HuH7 cells assessed as reduction in cell viability incubated for 48 hrs by CellTiter Glo Luminescent assay
Cytotoxicity against human HuH7 cells assessed as reduction in cell viability incubated for 48 hrs by CellTiter Glo Luminescent assay
[PMID: 32435384]
PBMC EC50
0.58 μM
Compound: NITD008
Antiviral activity against Dengue virus 2 NGC infected in human PBMC cells by plaque assay
Antiviral activity against Dengue virus 2 NGC infected in human PBMC cells by plaque assay
[PMID: 20516277]
RD CC50
> 20 μM
Compound: 3; NITD008
Cytotoxicity against human RD cells assessed as reduction in cell viability by Cell Titer-Glo luminescent cell viability assay
Cytotoxicity against human RD cells assessed as reduction in cell viability by Cell Titer-Glo luminescent cell viability assay
[PMID: 34560428]
RD CC50
> 20 μM
Compound: 4; NITD008
Cytotoxicity against human RD cells infected with EV71 incubated for 3 days by CellTiter 96 luminescent cell viability assay
Cytotoxicity against human RD cells infected with EV71 incubated for 3 days by CellTiter 96 luminescent cell viability assay
[PMID: 35598412]
RD CC50
> 20 μM
Compound: 4; NITD008
Cytotoxicity against human RD cells infected with CA6 incubated for 3 days by CellTiter 96 luminescent cell viability assay
Cytotoxicity against human RD cells infected with CA6 incubated for 3 days by CellTiter 96 luminescent cell viability assay
[PMID: 35598412]
RD CC50
> 20 μM
Compound: 4; NITD008
Cytotoxicity against human RD cells infected with CA16 incubated for 3 days by CellTiter 96 luminescent cell viability assay
Cytotoxicity against human RD cells infected with CA16 incubated for 3 days by CellTiter 96 luminescent cell viability assay
[PMID: 35598412]
Vero CC50
> 100 μM
Compound: NITD008
Cytotoxicity against African green monkey Vero E6 cells assessed as reduction in cell viability treated for 3 days measured on day 4 by cell titer-blue fluorescent assay
Cytotoxicity against African green monkey Vero E6 cells assessed as reduction in cell viability treated for 3 days measured on day 4 by cell titer-blue fluorescent assay
[PMID: 26774922]
Vero EC50
0.03 μM
Compound: NITD008
Antiviral activity against clinical isolates of Dengue virus 4 Martinique 017 infected in African green monkey Vero E6 cells assessed as reduction in viral RNA after 4 days by qRT-PCR method
Antiviral activity against clinical isolates of Dengue virus 4 Martinique 017 infected in African green monkey Vero E6 cells assessed as reduction in viral RNA after 4 days by qRT-PCR method
[PMID: 26774922]
Vero EC50
0.08 μM
Compound: NITD008
Antiviral activity against clinical isolates of Dengue virus 4 Dakar HD34460 infected in African green monkey Vero E6 cells assessed as reduction in viral RNA after 4 days by qRT-PCR method
Antiviral activity against clinical isolates of Dengue virus 4 Dakar HD34460 infected in African green monkey Vero E6 cells assessed as reduction in viral RNA after 4 days by qRT-PCR method
[PMID: 26774922]
Vero EC50
0.12 μM
Compound: NITD008
Antiviral activity against clinical isolates of Dengue virus 3 Bolivia 4025 infected in African green monkey Vero E6 cells assessed as reduction in viral RNA after 4 days by qRT-PCR method
Antiviral activity against clinical isolates of Dengue virus 3 Bolivia 4025 infected in African green monkey Vero E6 cells assessed as reduction in viral RNA after 4 days by qRT-PCR method
[PMID: 26774922]
Vero EC50
0.67 μM
Compound: NITD008
Antiviral activity against EV71 infected in African green monkey Vero cells after 48 hrs by plaque assay
Antiviral activity against EV71 infected in African green monkey Vero cells after 48 hrs by plaque assay
[PMID: 27776325]
Vero EC50
0.82 μM
Compound: NITD008
Antiviral activity against clinical isolates of Dengue virus 2 Martinique H/IMTSSA-MART/98-703 infected in African green monkey Vero E6 cells assessed as reduction in viral RNA after 4 days by qRT-PCR method
Antiviral activity against clinical isolates of Dengue virus 2 Martinique H/IMTSSA-MART/98-703 infected in African green monkey Vero E6 cells assessed as reduction in viral RNA after 4 days by qRT-PCR method
[PMID: 26774922]
Vero EC50
0.86 μM
Compound: NITD008
Antiviral activity against clinical isolates of Dengue virus 1 Indonesia JKT 1186 TVP 949 infected in African green monkey Vero E6 cells assessed as reduction in viral RNA after 4 days by qRT-PCR method
Antiviral activity against clinical isolates of Dengue virus 1 Indonesia JKT 1186 TVP 949 infected in African green monkey Vero E6 cells assessed as reduction in viral RNA after 4 days by qRT-PCR method
[PMID: 26774922]
Vero CC50
119.97 μM
Compound: NITD008
Cytotoxicity against African green monkey Vero cells after 48 hrs by MTT assay
Cytotoxicity against African green monkey Vero cells after 48 hrs by MTT assay
[PMID: 27776325]
Vero EC50
137 nM
Compound: 3; NITD008
Inhibition of RNA-dependent RNA polymerase in Zika virus GZ01/2016 infected in African green monkey Vero cells assessed as antiviral activity by measuring viral RNA by RT-qPCR method
Inhibition of RNA-dependent RNA polymerase in Zika virus GZ01/2016 infected in African green monkey Vero cells assessed as antiviral activity by measuring viral RNA by RT-qPCR method
[PMID: 31549836]
Vero EC50
137 nM
Compound: 3; NITD008
Inhibition of RNA-dependent RNA polymerase in Zika virus FSS13025/2010 infected in African green monkey Vero cells assessed as antiviral activity by measuring viral RNA by RT-qPCR method
Inhibition of RNA-dependent RNA polymerase in Zika virus FSS13025/2010 infected in African green monkey Vero cells assessed as antiviral activity by measuring viral RNA by RT-qPCR method
[PMID: 31549836]
Vero EC50
137 nM
Compound: 3; NITD008
Inhibition of RNA-dependent RNA polymerase in Zika virus GZ01/2016 infected in African green monkey Vero cells assessed as antiviral activity measured 48 hrs post infection by plaque assay
Inhibition of RNA-dependent RNA polymerase in Zika virus GZ01/2016 infected in African green monkey Vero cells assessed as antiviral activity measured 48 hrs post infection by plaque assay
[PMID: 31549836]
Vero EC50
137 nM
Compound: 3; NITD008
Inhibition of RNA-dependent RNA polymerase in Zika virus FSS13025/2010 infected in African green monkey Vero cells assessed as antiviral activity measured 48 hrs post infection by plaque assay
Inhibition of RNA-dependent RNA polymerase in Zika virus FSS13025/2010 infected in African green monkey Vero cells assessed as antiviral activity measured 48 hrs post infection by plaque assay
[PMID: 31549836]
Vero CC50
74 μM
Compound: NITD008
Cytotoxicity against African green monkey Vero cells incubated for 48 hrs by DAPI staining based assay
Cytotoxicity against African green monkey Vero cells incubated for 48 hrs by DAPI staining based assay
[PMID: 36596229]
In Vitro

NITD008 potently inhibits other, including Dengue virus (DENV), West Nile virus, yellow fever virus, and Poissan virus. NITD008 inhibits DENV-2 in a dose-responsive manner, with an EC50 value of 0.64 μM; treatment with 9 μM compound reduces viral titer by >104-fold[1]. NITD008 also inhibits a luciferase-reporting replicon of hepatitis C virus (HCV, genotype 1b), a member from the genus Hepacivirus, with an EC50 value of 0.11 μM[1].

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

In Vivo

NITD008 is orally bioavailable and has good pharmacokinetic properties. NITD008 exhibits the best pharmacokinetic parameters when formulated using 6 N of HCl (1.5 equimolar amount), 1 N of NaOH (pH adjusted to 3.5), and 100 mM citrate buffer (pH 3.5). Following i.v. injection, NITD008 has a high volume of distribution (3.71 L/kg) and a low systemic clearance (31.11 mL/min per kg), resulting in a long elimination half-life (t1/2=4.99 h). After p.o. dosing, NITD008 is rapidly absorbed (time of peak plasma concentration=0.5 h), with a maximal plasma concentration of 3 μM and bioavailability of 48%. Treatment of the mice immediately after viral infection with 1 mg/kg of NITD008 does not reduce mortality, but treatment with 3 mg/kg partially protects and treatment with ≥10 mg/kg completely protects the infected mice from death. NITD008 can suppress peak viremia, decrease cytokine elevation, and prevent death[1].

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

Molecular Weight

290.27

Formula

C13H14N4O4

CAS No.
Appearance

Solid

Color

White to gray

SMILES

O[C@@]1(C#C)[C@H](N2C=CC3=C(N)N=CN=C32)O[C@H](CO)[C@H]1O

Shipping

Room temperature in continental US; may vary elsewhere.

Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 2 years
-20°C 1 year
Solvent & Solubility
In Vitro: 

DMSO : ≥ 50 mg/mL (172.25 mM; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

*"≥" means soluble, but saturation unknown.

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 3.4451 mL 17.2253 mL 34.4507 mL
5 mM 0.6890 mL 3.4451 mL 6.8901 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

  • Molarity Calculator

  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
=
Concentration
×
Volume
×
Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

In Vivo:

Select the appropriate dissolution method based on your experimental animal and administration route.

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% Saline

    Solubility: ≥ 2.5 mg/mL (8.61 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.

    Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
  • Protocol 2

    Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in Saline)

    Solubility: ≥ 2.5 mg/mL (8.61 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

    Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).
The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Purity & Documentation

Purity: 98.04%

References
Cell Assay
[1]

For measurement of compound cytotoxicity, Vero cells (10000 cells per well of a 96-well plate) are incubated with various concentrations of NITD008 (3, 6, 12, 25, 50 μM) for 48 h; cell viability is quantified using a MTT assay[1].

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

Animal Administration
[1]

Mice[1]

The in vivo efficacy of NITD008 is evaluated in a dengue viremia model and a lethal model in mice. Both models use AG129 mice (with knockout IFN-α/β and IFN-γ receptors). DENV-2 strains TSV01and D2S10, respectively, are used in the 2 models and are propagated in C6/36 mosquito cells grown in RPMI-1640 medium with 5% FBS (vol/vol) at 28°C. The evaluation in the lethal model is performed by injecting mice i.v. with 0.2 mL of RPMI-1640 medium containing 3×107 pfu/mL DENV-2 strain D2S10; the infected mice are then subjected to different treatment regimens, as indicated in each experiment. NITD008 (1, 3, 10, 25, 50 mg/kg) in 0.2-0.25 mL of formulation solution is administered by p.o. gavage. The mice (6 or 8 mice per group) are monitored twice a day[1].

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

References

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 3.4451 mL 17.2253 mL 34.4507 mL 86.1267 mL
5 mM 0.6890 mL 3.4451 mL 6.8901 mL 17.2253 mL
10 mM 0.3445 mL 1.7225 mL 3.4451 mL 8.6127 mL
15 mM 0.2297 mL 1.1484 mL 2.2967 mL 5.7418 mL
20 mM 0.1723 mL 0.8613 mL 1.7225 mL 4.3063 mL
25 mM 0.1378 mL 0.6890 mL 1.3780 mL 3.4451 mL
30 mM 0.1148 mL 0.5742 mL 1.1484 mL 2.8709 mL
40 mM 0.0861 mL 0.4306 mL 0.8613 mL 2.1532 mL
50 mM 0.0689 mL 0.3445 mL 0.6890 mL 1.7225 mL
60 mM 0.0574 mL 0.2871 mL 0.5742 mL 1.4354 mL
80 mM 0.0431 mL 0.2153 mL 0.4306 mL 1.0766 mL
100 mM 0.0345 mL 0.1723 mL 0.3445 mL 0.8613 mL
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Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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NITD008
Cat. No.:
HY-12957
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