1. Metabolic Enzyme/Protease
    Epigenetics
    Cell Cycle/DNA Damage
  2. Endogenous Metabolite
    Sirtuin
  3. Nicotinamide

Nicotinamide (Synonyms: Niacinamide; Nicotinic acid amide)

Cat. No.: HY-B0150 Purity: 99.86%
Handling Instructions

Nicotinamide is a form of vitamin B3 or niacin that inhibits sirtuin 2 (SIRT2) activity in vitro, with an EC50 of 2 μM. Nicotinamide inhibits up to 90% melanoma cell number and increases cellular NAD+, ATP, ROS levels. Nicotinamide inhibts tumor growth in vivo and improves survival of melanoma-bearing mice, which can be used for the research of skin cancers such as melanoma.

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

Nicotinamide Chemical Structure

Nicotinamide Chemical Structure

CAS No. : 98-92-0

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10 mM * 1 mL in DMSO USD 61 In-stock
Estimated Time of Arrival: December 31
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Customer Review

Based on 22 publication(s) in Google Scholar

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Description

Nicotinamide is a form of vitamin B3 or niacin that inhibits sirtuin 2 (SIRT2) activity in vitro, with an EC50 of 2 μM. Nicotinamide inhibits up to 90% melanoma cell number and increases cellular NAD+, ATP, ROS levels. Nicotinamide inhibts tumor growth in vivo and improves survival of melanoma-bearing mice, which can be used for the research of skin cancers such as melanoma[1].

IC50 & Target[4]

PARP-1

 

Human Endogenous Metabolite

 

SIRT2

2 μM (EC50)

In Vitro

Nicotinamide (0-50 mM, 24/48 h ) reduces cell number in a time-dependent and dose-dependent manner in A375 and SK-MEL-28 cells[1].
Nicotinamide (10-50 mM, 24 h ) makes A375 cells undergo accumulation in G1 phase, reduction in S phase, and increase inthe sub-G1 (apoptosis) phase[1].
Nicotinamide (1-50 mM, 6 h ) increases NAD+, ATP and ROS levels in A375 and SK-MEL-28 cells[1].
Nicotinamide (0.01-20 mM, 1 h) inhibits purified SIRT2 enzymatic activity in vitro with an EC50 of 2 μM[1].

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

Cell Viability Assay[1]

Cell Line: A375, SK-MEL-28, mouse B16-F10 cell
Concentration: 0, 1, 20, 50 mM
Incubation Time:
Result: 24 h, 48 h

Cell Cycle Analysis[1]

Cell Line: A375, SK-MEL-28
Concentration: 10, 20, 50 mM
Incubation Time: 24 h
Result: Arrested A375 cells in G1 phase.
In Vivo

Nicotinamide (Intraperitoneal injection, 1500 and 1800 mg/Kg, 5 days per week) inhibits tumor growth in murine metastatic melanoma model[1].
Nicotinamide (Intraperitoneal injection, 1800 mg/Kg, once a day, murine metastatic melanoma model) affects IFN-γ (a key mediator of cell-mediated anti-tumor immunity), increases the plasma levels of eotaxin and IL-5, reduces the plasma levels of IL-3, IL-12, RANTES and IL-10[1].

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

Animal Model: C57BL/6 mice (subcutaneous injected with B16-F10 cells)[1]
Dosage: 1000, 1500, 1800 mg/Kg.
Administration: Intraperitoneal injection, 5 days per week (followed by 2-day rest) or once a day.
Result: Inhibited tumor growth at 1500 and 1800 mg/Kg, and had no effect on the body weight.
Increased the frequency of IFN-γ producing cells and modulated the protein levels of cytokines and chemokines in the plasma of tumor-bearing mice.
Clinical Trial
Molecular Weight

122.12

Formula

C6H6N2O

CAS No.
SMILES

O=C(C1=CC=CN=C1)N

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

4°C, protect from light

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)

Solvent & Solubility
In Vitro: 

DMSO : 50 mg/mL (409.43 mM; Need ultrasonic)

H2O : ≥ 50 mg/mL (409.43 mM)

*"≥" means soluble, but saturation unknown.

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 8.1887 mL 40.9433 mL 81.8867 mL
5 mM 1.6377 mL 8.1887 mL 16.3773 mL
10 mM 0.8189 mL 4.0943 mL 8.1887 mL
*Please refer to the solubility information to select the appropriate solvent.
In Vivo:
  • 1.

    Add each solvent one by one:  PBS

    Solubility: 100 mg/mL (818.87 mM); Clear solution; Need ultrasonic

  • 2.

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

    Solubility: ≥ 2.5 mg/mL (20.47 mM); Clear solution

  • 3.

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

    Solubility: ≥ 2.5 mg/mL (20.47 mM); Clear solution

  • 4.

    Add each solvent one by one:  10% DMSO    90% corn oil

    Solubility: ≥ 2.5 mg/mL (20.47 mM); Clear solution

*All of the co-solvents are available by MCE.
Purity & Documentation

Purity: 99.86%

References
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Nicotinamide
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HY-B0150
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