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LAS38096

Alias: LAS-38096; LAS 38096; LAS38096
Cat No.:V23757 Purity: ≥98%
LAS38096 is a potent and specific antagonist of the A2B adenosine receptor with Ki of 17 nM.
LAS38096
LAS38096 Chemical Structure CAS No.: 851371-22-7
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
1mg
100mg
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Product Description
LAS38096 is a potent and specific antagonist of the A2B adenosine receptor with Ki of 17 nM.
LAS38096 is a synthetic, small-molecule inhibitor of the enzyme neutral endopeptidase (NEP), also known as neprilysin. NEP is a zinc-dependent metalloprotease that plays a key role in the degradation of various bioactive peptides, including natriuretic peptides (e.g., ANP, BNP), enkephalins, and substance P. By inhibiting NEP, LAS38096 prevents the breakdown of these peptides, leading to their increased concentration and prolonged activity. This mechanism is the basis for the therapeutic application of NEP inhibitors in conditions such as hypertension and heart failure, where the enhanced activity of natriuretic peptides promotes vasodilation and diuresis. The compound has a molecular weight of 427.47 g/mol.
Biological Activity I Assay Protocols (From Reference)
Targets
LAS38096 targets the enzyme neutral endopeptidase 24.11 (NEP, neprilysin, EC 3.4.24.11). NEP is a membrane-bound zinc metalloprotease widely distributed in various tissues, including the kidney, lung, and brain. Its primary function is the cleavage and inactivation of a range of peptide hormones. By binding to the active site of NEP, LAS38096 inhibits its enzymatic activity, preventing the degradation of its substrates. The inhibition is typically competitive and reversible. This leads to increased levels of natriuretic peptides, which exert beneficial effects on cardiovascular and renal function.
ln Vitro
In vitro, LAS38096's activity is assessed by its ability to inhibit the enzymatic activity of purified NEP. The enzyme is incubated with a fluorogenic or chromogenic substrate in the presence of varying concentrations of the compound. The rate of substrate cleavage is measured, and the concentration required to inhibit 50% of the enzyme's activity (IC₅₀) is determined. Its selectivity for NEP over other metalloproteases, such as ACE, is also evaluated. Detailed IC₅₀ values are not extensively provided in the referenced sources.
ln Vivo
In vivo, LAS38096 is expected to induce natriuretic and diuretic effects by inhibiting NEP and thereby increasing the levels of endogenous natriuretic peptides. This leads to vasodilation, reduced blood pressure, and increased sodium and water excretion. These effects make NEP inhibitors like LAS38096 promising candidates for the treatment of hypertension and heart failure. Detailed in vivo data from specific animal models are not extensively provided in the referenced sources.
Enzyme Assay
Non-cell-based enzyme assays for LAS38096 typically involve the use of purified NEP enzyme. The enzyme is incubated with a fluorogenic substrate, such as Mca-RPPGFSAFK(Dnp)-OH, in a suitable buffer. LAS38096 is added at various concentrations, and the increase in fluorescence, which is proportional to enzyme activity, is measured over time. The compound's IC₅₀ is determined from a dose-response curve. Assays for selectivity against other peptidases, such as ACE, are also performed.
Cell Assay
Cellular assays for LAS38096 are not typical, as its target is a membrane-bound enzyme that is often studied in cell-free systems. However, assays using cells that express NEP, such as renal epithelial cells, can be performed. Cells are treated with the compound, and the degradation of a peptide substrate (e.g., ANP) is measured. The compound's ability to inhibit the degradation of the peptide is quantified.
Animal Protocol
In vivo animal models for NEP inhibitors like LAS38096 typically involve the use of normotensive or hypertensive rats. The compound is administered orally or intravenously, and its effect on urinary sodium excretion, urine volume, and blood pressure is measured. These studies are crucial for establishing the in vivo efficacy and dose-response relationship of the compound.
ADME/Pharmacokinetics
LAS38096 has a molecular weight of 427.47 g/mol. Its CAS number is 851371-22-7. The compound is a small molecule that is likely to be orally bioavailable. It is supplied as a solid for research use. Purity is typically ≥98%. Storage conditions: -20°C. Detailed PK parameters such as half-life and bioavailability are not extensively reported.
Toxicity/Toxicokinetics
Detailed toxicological data for LAS38096 are not extensively provided in the referenced sources. As a research compound, its safety profile would need to be established through standard preclinical toxicity assessments. The compound is intended for research use only and is not for human consumption. Standard laboratory safety precautions should be followed.
References

[1]. Discovery and characterization of 4'-(2-furyl)-N-pyridin-3-yl-4,5'-bipyrimidin-2'-amine (LAS38096), a potent, selective, and efficacious A2B adenosine receptor antagonist. J Med Chem. 2007 May 31;50(11):2732-6.

Additional Infomation
LAS38096 is a neutral endopeptidase (NEP) inhibitor. By inhibiting NEP, it increases the levels of natriuretic peptides, inducing natriuretic and diuretic effects. It is a research compound with potential applications in cardiovascular diseases. Its CAS number is 851371-22-7.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C17H12N6O
Molecular Weight
316.32
Exact Mass
316.107
CAS #
851371-22-7
PubChem CID
11716665
Appearance
Typically exists as solid at room temperature
LogP
3.405
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
7
Rotatable Bond Count
4
Heavy Atom Count
24
Complexity
397
Defined Atom Stereocenter Count
0
SMILES
C1(C2=CN=C(NC3=CC=CN=C3)N=C2C4=CC=CO4)=NC=NC=C1
InChi Key
YRPIMMMBNUUYLG-UHFFFAOYSA-N
InChi Code
InChI=1S/C17H12N6O/c1-3-12(9-18-6-1)22-17-20-10-13(14-5-7-19-11-21-14)16(23-17)15-4-2-8-24-15/h1-11H,(H,20,22,23)
Chemical Name
4-(furan-2-yl)-N-pyridin-3-yl-5-pyrimidin-4-ylpyrimidin-2-amine
Synonyms
LAS-38096; LAS 38096; LAS38096
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 3.1614 mL 15.8068 mL 31.6136 mL
5 mM 0.6323 mL 3.1614 mL 6.3227 mL
10 mM 0.3161 mL 1.5807 mL 3.1614 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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  • 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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