2. GPCR/G Protein Neuronal Signaling
  3. Opioid Receptor
  4. Aticaprant

Aticaprant  (Synonyms: CERC-501; LY-2456302)

Cat. No.: HY-101718 Pureza: 99.59%
COA
SDS
Instrucciones de manejo Technical Support

Aticaprant (CERC-501) is a potent and centrally-penetrant kappa opioid receptor antagonist with a Ki of 0.807 nM.

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Aticaprant

Aticaprant Estructura química

No. CAS : 1174130-61-0

Tamaño Precio Stock Cantidad
Muestra gratis (0.1 - 0.2 mg)   Solicite ahora  
Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO
ready for reconstitution
 En stock
Solution
10 mM * 1 mL in DMSO En stock
Solid
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10 mg En stock
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50 mg En stock
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Revisión del cliente

Based on 9 publication(s) in Google Scholar

Other Forms of Aticaprant:

Aticaprant Related Antibodies

Top Publications Citing Use of Products

Ver todos los productos específicos de isoformas Opioid Receptor:

Ver todas las isoformas
μ Opioid Receptor/MOR κ Opioid Receptor/KOR δ Opioid Receptor/DOR NOP Receptor/ORL1

  • Actividad biológica

  • Protocolo

  • Pureza y Documentación

  • Referencias

  • Revisión del cliente

Descripciòn

Aticaprant (CERC-501) is a potent and centrally-penetrant kappa opioid receptor antagonist with a Ki of 0.807 nM.

IC50 & Target

κ Opioid Receptor/KOR

 

In Vitro

Aticaprant (CERC-501) binds with high affinity to the human kappa opioid receptor with a 30-fold higher affinity over the human mu opioid receptor and 190-fold higher affinity over the human delta opioid receptor. Aticaprant (CERC-501) shows no appreciable affinity for several non-opioid cell surface G-protein-coupled receptor targets, including monoaminergic, muscarinic, cholinergic, and adrenergic receptors or ion channel/transporter binding targets or the central benzodiazepine binding site[1].

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

Aticaprant Related Antibodies
In Vivo

Aticaprant (CERC-501) has a rapid absorption (tmax=1-2 h) and good oral bioavailability (F=25%). Oral Aticaprant (CERC-501) administration selectively and potently occupies central kappa opioid receptors (ED50=0.33 mg/kg), without evidence of mu or delta receptor occupancy. LY2456302 potently blocks kappa-agonist-mediated analgesia and disruption of prepulse inhibition, without affecting mu-agonist-mediated effects at doses >30-fold higher. Aticaprant (CERC-501) produces antidepressant-like effects in the mouse forced swim test and enhances the effects of imipramine and citalopram. Aticaprant (CERC-501) reduces ethanol self-administration in alcohol-preferring rats[1]. Aticaprant (CERC-501) alleviates the nicotine withdrawal syndrome, as evidenced by decreased expression of nicotine withdrawal induced anxiety-related behavior, somatic signs, and CPA, and increased hotplate latency in nicotine withdrawn mice following pre-treatment[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Ensayo clínico
Peso molecular

418.50

Fòrmula

C26H27FN2O2
No. CAS
Appearance

Solid

Color

White to off-white

SMILES

O=C(N)C1=CC=C(OC2=CC=C(CN3[C@H](C4=CC(C)=CC(C)=C4)CCC3)C=C2)C(F)=C1
Envío

Room temperature in continental US; may vary elsewhere.
Almacenamiento
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 2 years
-20°C 1 year
Solvente y solubilidad
In Vitro: 

DMSO : ≥ 100 mg/mL (238.95 mM; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

*"≥" means soluble, but saturation unknown.

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.3895 mL 11.9474 mL 23.8949 mL
5 mM 0.4779 mL 2.3895 mL 4.7790 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

  • Calculadora de molaridad

  • Calculadora de dilución

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
=
Concentration
×
Volume
×
Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

In Vivo:

Select the appropriate dissolution method based on your experimental animal and administration route.

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

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

    Solubility: ≥ 2.5 mg/mL (5.97 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.

    Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
  • Protocol 2

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

    Solubility: 2.5 mg/mL (5.97 mM); Suspended solution; Need ultrasonic

    This protocol yields a suspended solution of 2.5 mg/mL. Suspended solution can be used for oral and intraperitoneal injection.

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

    Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
% 
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).
The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Pureza y Documentación

Purity: 99.59%

SDS (393 KB)

COA (249 KB) HNMR (284 KB) RP-HPLC (248 KB) LCMS (96 KB)

Instrucciones de manejo (2659 KB)
Referencias
Administraciòn de animales
[1]

Rats: Three male cannulated rats are administered a single 1 mg/kg intravenous (IV) and 10 mg/kg oral (PO) dose of Aticaprant (CERC-501) to determine the pharmacokinetic parameters. Plasma samples are collected at 0.08 (IV only), 0.25, 0.5, 1, 2, 4, 8, 12 and 24 h post-dose and analyzed by liquid chromatography coupled to tandem mass spectral detection to determine the concentrations of Aticaprant (CERC-501)[1].

Mice: Male mice are administered a single 10 mg/kg PO dose of Aticaprant (CERC-501) to determine the pharmacokinetic parameters. Plasma samples are collected at 0.5, 1, 2, 4, 8, and 24 h post-dose and analyzed by LCeMS/MS to determine the concentrations of Aticaprant (CERC-501). The plasma and brain binding of Aticaprant (CERC-501) is determined by equilibrium dialysis at 1 μM[1].

MCE no ha confirmado la precisión de estos métodos independientemente. Son solo para referencia.
Referencias

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 2.3895 mL 11.9474 mL 23.8949 mL 59.7372 mL
5 mM 0.4779 mL 2.3895 mL 4.7790 mL 11.9474 mL
10 mM 0.2389 mL 1.1947 mL 2.3895 mL 5.9737 mL
15 mM 0.1593 mL 0.7965 mL 1.5930 mL 3.9825 mL
20 mM 0.1195 mL 0.5974 mL 1.1947 mL 2.9869 mL
25 mM 0.0956 mL 0.4779 mL 0.9558 mL 2.3895 mL
30 mM 0.0796 mL 0.3982 mL 0.7965 mL 1.9912 mL
40 mM 0.0597 mL 0.2987 mL 0.5974 mL 1.4934 mL
50 mM 0.0478 mL 0.2389 mL 0.4779 mL 1.1947 mL
60 mM 0.0398 mL 0.1991 mL 0.3982 mL 0.9956 mL
80 mM 0.0299 mL 0.1493 mL 0.2987 mL 0.7467 mL
100 mM 0.0239 mL 0.1195 mL 0.2389 mL 0.5974 mL
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Aticaprant Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

Aticaprant1174130-61-0CERC-501 LY-2456302CERC501CERC 501LY2456302LY 2456302LY-2456302Opioid ReceptorInhibitorinhibitorinhibit

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