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PARP-2-IN-1

Cat No.:V31689 Purity: ≥98%
PARP-2-IN-1 is a potent and specific inhibitor of PARP-2 with IC50 of 11.5 nM.
PARP-2-IN-1
PARP-2-IN-1 Chemical Structure CAS No.: 2115698-83-2
Product category: New2
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
1mg
5mg
Other Sizes
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Product Description
PARP-2-IN-1 is a potent and specific inhibitor of PARP-2 with IC50 of 11.5 nM.
PARP-2-IN-1 is a potent and selective inhibitor of poly(ADP-ribose) polymerase 2 (PARP-2). With a molecular formula of C21H1₉F4N₅O3 and a molecular weight of 465.4, it exhibits an IC₅0 of 11.5 nM. PARP-2-IN-1 is a research tool for dissecting isoform-specific PARP biology in cancer, neurodegeneration, and inflammation. It is used to explore therapeutic strategies relying on selective modulation of PARP-2 activity.
Biological Activity I Assay Protocols (From Reference)
Targets
PARP-2-IN-1 targets poly(ADP-ribose) polymerase 2 (PARP-2), a member of the PARP family of enzymes that catalyze the transfer of ADP-ribose units from NAD+ to target proteins. PARP-2 is involved in DNA repair, transcription regulation, and other cellular processes. The compound is a potent and selective inhibitor of PARP-2 with an IC₅0 of 11.5 nM. Its selectivity for PARP-2 over other PARP family members makes it a valuable tool for studying the specific functions of PARP-2.
ln Vitro
In vitro, PARP-2-IN-1 is a potent and selective inhibitor of PARP-2 with an IC₅0 of 11.5 nM. Its high potency and selectivity make it a valuable tool for studying PARP-2 biology. The compound is used to dissect isoform-specific PARP functions in various cellular processes, including DNA repair, transcription, and cell death. Its effects on PARP-2 activity are typically assessed in enzymatic assays using recombinant PARP-2 and NAD+.
ln Vivo
In vivo studies of PARP-2-IN-1 are likely focused on evaluating its efficacy in animal models of diseases where PARP-2 plays a role, such as cancer, neurodegeneration, and inflammation. As a selective PARP-2 inhibitor, the compound may offer advantages over pan-PARP inhibitors by reducing off-target toxicity. Further in vivo studies are needed to fully characterize its pharmacokinetic properties, bioavailability, and efficacy in various disease models.
Enzyme Assay
For in vitro enzyme/receptor binding assays, PARP-2-IN-1 is evaluated using PARP-2 enzymatic activity assays. The compound is incubated with recombinant PARP-2 enzyme, NAD+, and a suitable substrate (such as histones or automodification) at various concentrations. PARP activity is quantified using methods such as radioactive incorporation of [32P]-NAD+, chemiluminescent detection of ADP-ribosylated products, or fluorescence-based assays. IC₅0 values are determined from dose-response curves. Selectivity profiling against other PARP family members is performed to confirm specificity.
Cell Assay
For in vitro cellular experiments, PARP-2-IN-1 is tested in cell lines to evaluate its effects on PARP-2 activity and downstream processes. Cells are cultured in appropriate media and treated with various concentrations of the compound. PARP-2 inhibition is assessed by measuring ADP-ribosylation levels in cell lysates using Western blotting with anti-PAR antibodies. The compound's effects on DNA repair, cell viability, and proliferation are assessed using standard assays.
Animal Protocol
For in vivo animal experiments, PARP-2-IN-1 can be administered to animals via various routes, including oral gavage, intravenous injection, or intraperitoneal injection. The compound's efficacy can be evaluated in tumor models or other disease models where PARP-2 plays a role. Typical dosing regimens may range from 1 to 50 mg/kg. Pharmacodynamic markers such as ADP-ribosylation levels are measured in tissues. Tumor volume, body weight, and overall health are monitored.
ADME/Pharmacokinetics
Pharmacokinetic properties of PARP-2-IN-1 are not extensively detailed in the provided references. As a small molecule with a molecular weight of 465.4, it may have reasonable oral bioavailability and tissue distribution. Detailed parameters such as Cₘₐₓ, Tₘₐₓ, AUC, half-life, and clearance would need to be determined through comprehensive PK studies. The compound's metabolism and excretion pathways remain to be fully characterized.
Toxicity/Toxicokinetics
Toxicological data for PARP-2-IN-1 are limited, as it is primarily a research tool. As a PARP-2 inhibitor, its toxicity would depend on the importance of PARP-2 for normal cellular function. Comprehensive toxicology studies including acute and repeated-dose toxicity, genotoxicity, and cardiotoxicity assessments would be needed for further development. Appropriate safety precautions should be taken when handling this compound.
References

[1]. Discovery of novel quinazoline-2,4(1H,3H)-dione derivatives as potent PARP-2 selective inhibitors. Bioorg Med Chem. 2017 Aug 1;25(15):4045-4054.

Additional Infomation
PARP-2-IN-1 is a research compound used to study PARP-2 biology and develop selective PARP-2-targeted therapies. No clinical trials or regulatory approvals have been reported for this compound as a therapeutic agent. It is available from various chemical suppliers for research purposes only. The compound is a valuable tool for dissecting isoform-specific PARP biology in cancer, neurodegeneration, and inflammation.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C21H19F4N5O3
Molecular Weight
465.400878190994
Exact Mass
465.142
CAS #
2115698-83-2
PubChem CID
132576436
Appearance
White to off-white solid powder
LogP
1.9
Hydrogen Bond Donor Count
2
Hydrogen Bond Acceptor Count
9
Rotatable Bond Count
5
Heavy Atom Count
33
Complexity
767
Defined Atom Stereocenter Count
1
SMILES
N1(CC(F)(F)F)CC[C@H](C(NC2=CC(CN3C4=C(C=CC=C4)C(=O)NC3=O)=CN=C2F)=O)C1
InChi Key
JZKVDRXHUJSBJE-ZDUSSCGKSA-N
InChi Code
InChI=1S/C21H19F4N5O3/c22-17-15(27-18(31)13-5-6-29(10-13)11-21(23,24)25)7-12(8-26-17)9-30-16-4-2-1-3-14(16)19(32)28-20(30)33/h1-4,7-8,13H,5-6,9-11H2,(H,27,31)(H,28,32,33)/t13-/m0/s1
Chemical Name
(3S)-N-[5-[(2,4-dioxoquinazolin-1-yl)methyl]-2-fluoropyridin-3-yl]-1-(2,2,2-trifluoroethyl)pyrrolidine-3-carboxamide
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)
May dissolve in DMSO (in most cases), if not, try other solvents such as H2O, Ethanol, or DMF with a minute amount of products to avoid loss of samples
Solubility (In Vivo)
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

Injection Formulations
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO 400 μLPEG300 50 μL Tween 80 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).
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Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO 900 μL (20% SBE-β-CD in saline)]
*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.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL Saline)


Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.1487 mL 10.7434 mL 21.4869 mL
5 mM 0.4297 mL 2.1487 mL 4.2974 mL
10 mM 0.2149 mL 1.0743 mL 2.1487 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:
  • 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.
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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)
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.

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