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Navacaprant (BTRX-335140)

Alias: BTRX335140; BTRX 335140; BTRX-335140
Cat No.:V17175 Purity: ≥98%
Navacaprant (BTRX-335140) is a selective, orally bioactive κ opioid receptor (KOR) antagonist (inhibitor) with antagonistic activity against κOR, μOR and δOR with IC50s of 0.8 nM, 110 nM and 6500 nM, respectively.
Navacaprant (BTRX-335140)
Navacaprant (BTRX-335140) Chemical Structure CAS No.: 2244614-14-8
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
Navacaprant (BTRX-335140) is a selective, orally bioactive κ opioid receptor (KOR) antagonist (inhibitor) with antagonistic activity against κOR, μOR and δOR with IC50s of 0.8 nM, 110 nM and 6500 nM, respectively. Navacaprant has favorable in vitro ADMET and in vivo pharmacokinetic profiles in rats. Navacaprant distributes well into the CNS and may be utilized in neuropathy studies.
Biological Activity I Assay Protocols (From Reference)
ln Vitro
At Kappa opioid receptors, navacaprant (BTRX-335140) (0-10 μM; 4 hours) demonstrates selective antagonist action [1].
ln Vivo
Navacaprant (BTRX-335140) (0.01-3 mg/kg; once oral) lowers plasma prolactin secretion triggered by U69,593 to levels not induced by U69,593 [1]. When administered intraperitoneally, navacaprant (BTRX-335140) (1 mg/kg) inhibits the analgesic action of hot water due to U-50488 [1]. 1.19 BTRX-335140 pharmacokinetic properties in rodents [1]. AUC0-t (h• ng/mL) 153 725 265 232 Vss (L/kg) 13.8 7.72 F (%) 30.2 12 Rat IV 1 mg/kg, Mouse IV 3 mg/kg, Rat PO 5 mg/kg, and Mouse PO 10 mg/kg CL (mL/min/kg) 105 66.5 t1/2 (h) 1.81 1.91 6.19 2.57
Cell Assay
Cell viability assay [1]
Cell Types: OPRK1-BLA U2OS Cell
Tested Concentrations: 0-10 μM
Incubation Duration: 4 hrs (hours)
Experimental Results: demonstrated antagonistic activity against KOR, DOR and MOR, with IC50 values of 0.8, 110 and 6500 nM respectively, and Displays selective antagonistic activity of KOR.
Animal Protocol
Animal/Disease Models: Rat PRL model [1]
Doses: 0.01, 0.03, 0.1, 0.3, 1 and 3 mg /kg
Route of Administration: po (oral gavage); 0.01-3 mg/kg Primary
Experimental Results:Even at a dose of 0.1 mg/kg, it can effectively reduce the high level of prolactin caused by U69,593.

Animal/Disease Models: Adult male ICR mice, tail immersed in 50°C hot water [1]
Doses: 1 mg/kg
Route of Administration: intraperitoneal (ip) injection; 1 mg/kg Primary
Experimental Results:Resistance during 1 hour instead of 24 hrs (hrs (hours)) of pretreatment blocked U-50488-induced analgesia and demonstrated drug-like duration of action in blocking KOR.
References

[1]. Design and Synthesis of a Novel and Selective Kappa Opioid Receptor (KOR) Antagonist (BTRX-335140). J Med Chem. 2019 Feb 28;62(4):1761-1780.

Additional Infomation
BTRX-335140 is under investigation in clinical trial NCT04221230 (Study in Major Depressive Disorder With BTRX-335140 vs Placebo).
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C25H32FN5O2
Molecular Weight
453.552289009094
Exact Mass
453.254
CAS #
2244614-14-8
PubChem CID
137434175
Appearance
Off-white to light yellow solid powder
LogP
4.7
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
8
Rotatable Bond Count
5
Heavy Atom Count
33
Complexity
630
Defined Atom Stereocenter Count
0
SMILES
FC1=CC(CC)=CC2=C1N=C(C(C1=NC(C)=NO1)=C2C)N1CCC(CC1)NC1CCOCC1
InChi Key
CQOJHAJWCDJEAT-UHFFFAOYSA-N
InChi Code
InChI=1S/C25H32FN5O2/c1-4-17-13-20-15(2)22(25-27-16(3)30-33-25)24(29-23(20)21(26)14-17)31-9-5-18(6-10-31)28-19-7-11-32-12-8-19/h13-14,18-19,28H,4-12H2,1-3H3
Chemical Name
1-[6-ethyl-8-fluoro-4-methyl-3-(3-methyl-1,2,4-oxadiazol-5-yl)quinolin-2-yl]-N-(oxan-4-yl)piperidin-4-amine
Synonyms
BTRX335140; BTRX 335140; BTRX-335140
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)
DMSO : ~3.85 mg/mL (~8.49 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 1.67 mg/mL (3.68 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 16.7 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.

Solubility in Formulation 2: ≥ 1 mg/mL (2.20 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 10.0 mg/mL clear DMSO stock solution to 400 μL of PEG300 and mix evenly; then add 50 μL of Tween-80 to the above solution and mix evenly; then add 450 μL of 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.

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Solubility in Formulation 3: ≥ 1 mg/mL (2.20 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 10.0 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.


 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.2048 mL 11.0241 mL 22.0483 mL
5 mM 0.4410 mL 2.2048 mL 4.4097 mL
10 mM 0.2205 mL 1.1024 mL 2.2048 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.

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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?
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  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

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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:
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
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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.

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