SirReal2

Alias:
Cat No.:V0439 Purity: ≥98%
SirReal2 is a novel, highly potent and isoform-selective inhibitor of Sirt2 (Sirtuin 2) with potential anticancer and anti-inflammatory activity.
SirReal2 Chemical Structure CAS No.: 709002-46-0
Product category: Sirtuin
This product is for research use only, not for human use. We do not sell to patients.
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Purity & Quality Control Documentation

Purity: ≥98%

Product Description

SirReal2 is a novel, highly potent and isoform-selective inhibitor of Sirt2 (Sirtuin 2) with potential anticancer and anti-inflammatory activity. It inhibits Sirt2 (Sirtuin 2) with an IC50 of 140 nM. The Sirtuins are a highly conserved class of NAD+-dependent lysine deacylases. The human isotype Sirtuin 2 (Sirt2) deacetylates both cytoplasmatic and nuclear proteins and it has been implicated in the pathogenesis of cancer, neurodegeneration, and inflammation. Therefore, the modulation of Sirt2 activity is a promising strategy for pharmaceutical intervention.

Biological Activity I Assay Protocols (From Reference)
ln Vitro

In vitro activity: SirReal2 selectively inhibits Sirt2 via a Sirt2-specific amino acid network, and induces a tubulin hyperacetylation and a significant depletion of BubR1 in HeLa cells.


Kinase Assay: SirReal2 is a potent, isotype-selective Sirt2 inhibitor with an IC50 value of 140 nM and has very little effect on the activities of Sirt3-5. SirReal2 leads to tubulin hyperacetylation in HeLa cells and induces destabilization of the checkpoint protein BubR1

ln Vivo
In vivo, SirReal2 inhibits Sirt2 activity without affecting the activity of the other Class-I sirtuins Sirt1 and Sirt3.
Animal Protocol
SirReal2 (12.5, 25, and 50 μM) treatment did not induce the increase in acetylation of p53
N/A
References
Nat Commun.2015 Feb 12;6:6263.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C22H20N4OS2
Molecular Weight
420.55
CAS #
709002-46-0
Related CAS #
709002-46-0
SMILES
CC1=CC(C)=NC(SCC(NC2=NC=C(CC3=CC=CC4C=CC=CC3=4)S2)=O)=N1
InChi Key
MENNDDDTIIZDDN-UHFFFAOYSA-N
InChi Code
InChI=1S/C22H20N4OS2/c1-14-10-15(2)25-22(24-14)28-13-20(27)26-21-23-12-18(29-21)11-17-8-5-7-16-6-3-4-9-19(16)17/h3-10,12H,11,13H2,1-2H3,(H,23,26,27)
Chemical Name
2-[(4,6-Dimethyl-2-pyrimidinyl)thio]-N-[5-(1-naphthalenylmethyl)-2-thiazolyl]acetamide
Synonyms

SirReal 2; SirReal-2; SirReal2

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: 84 mg/mL (199.7 mM)
Water:<1 mg/mL
Ethanol:<1 mg/mL
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.08 mg/mL (4.95 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 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 20.8 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.

Solubility in Formulation 2: ≥ 2.08 mg/mL (4.95 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in 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 20.8 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.

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Solubility in Formulation 3: ≥ 2.08 mg/mL (4.95 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (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 20.8 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.


 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.3778 mL 11.8892 mL 23.7784 mL
5 mM 0.4756 mL 2.3778 mL 4.7557 mL
10 mM 0.2378 mL 1.1889 mL 2.3778 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

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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.

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)
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
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:
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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.
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

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In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
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.)
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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.

(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.

Biological Data
  • SirReal2
    SirReal2 selectively inhibits Sirt2 in a dose-dependent manner. Nat Commun. 2015 Feb 12; 6: 6263.
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