2. GPCR/G Protein Neuronal Signaling
  3. Adrenergic Receptor
  4. Dexmedetomidine

Dexmedetomidine  (Synonyms: (+)-Medetomidine; (S)-Medetomidine)

Cat. No.: HY-12719 Purity: 99.93%
COA Handling Instructions

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Dexmedetomidine ((+)-Medetomidine) is a potent, selective and orally active agonist of α2-adrenoceptor, with a Ki of 1.08 nM. Dexmedetomidine shows 1620-fold selectivity against α1-adrenoceptor. Dexmedetomidine exhibits anxiolysis, sedation, and modest analgesia effects.

For research use only. We do not sell to patients.

Dexmedetomidine Chemical Structure

Dexmedetomidine Chemical Structure

CAS No. : 113775-47-6

Size Price Stock Quantity
Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO
ready for reconstitution
 USD 55 In-stock
Solution
10 mM * 1 mL in DMSO USD 55 In-stock
Solid
25 mg USD 50 In-stock
50 mg USD 80 In-stock
100 mg USD 130 In-stock
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Based on 10 publication(s) in Google Scholar

Other Forms of Dexmedetomidine:

Dexmedetomidine Related Antibodies

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  • Biological Activity

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Description

Dexmedetomidine ((+)-Medetomidine) is a potent, selective and orally active agonist of α2-adrenoceptor, with a Ki of 1.08 nM. Dexmedetomidine shows 1620-fold selectivity against α1-adrenoceptor. Dexmedetomidine exhibits anxiolysis, sedation, and modest analgesia effects[1][2][3].

IC50 & Target[1]

α2-adrenergic receptor

1.08 nM (Ki)

In Vitro

Medetomidine has high selectivity for α2 adrenoceptors (Ki=1.08 nM) over α1 adrenoceptors (Ki=1750 nM) in rat brain membranes[1].
Medetomidine (0.1-100 nM) inhibits the twitch response in field-stimulated mouse vas deferens, with a pD2 of 9.0[1].

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

Dexmedetomidine Related Antibodies
In Vivo

Medetomidine (10-100 μg/kg; i.v. at 5-min intervals) produces a dose-dependent pupillary dilatation in pentobarbitone-anaesthetized rats[1].

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

Animal Model: Female Sprague-Dawley rats (270-350 g)[1]
Dosage: 1, 5, 10, 50, 100 mg/kg
Administration: I.v. at 5-min intervals
Result: Produced the pupil dilatation of 2.5 mm (approximately half of the maximum effect) at the cumulative dose of 4 μg/kg.
Clinical Trial
Molecular Weight

200.28

Formula

C13H16N2
CAS No.
Appearance

Solid

Color

White to off-white

SMILES

C[C@H](C1=CN=CN1)C2=CC=CC(C)=C2C
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

4°C, protect from light

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)

Solvent & Solubility
In Vitro: 

DMSO : 125 mg/mL (624.13 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 4.9930 mL 24.9650 mL 49.9301 mL
5 mM 0.9986 mL 4.9930 mL 9.9860 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, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

  • Molarity Calculator

  • Dilution Calculator

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: ≥ 2.08 mg/mL (10.39 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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: ≥ 2.08 mg/mL (10.39 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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).

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)

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.
Purity & Documentation

Purity: 99.93%

COA (251 KB) HNMR (257 KB) LCMS (257 KB)

Handling Instructions (2659 KB)
References

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, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 4.9930 mL 24.9650 mL 49.9301 mL 124.8252 mL
5 mM 0.9986 mL 4.9930 mL 9.9860 mL 24.9650 mL
10 mM 0.4993 mL 2.4965 mL 4.9930 mL 12.4825 mL
15 mM 0.3329 mL 1.6643 mL 3.3287 mL 8.3217 mL
20 mM 0.2497 mL 1.2483 mL 2.4965 mL 6.2413 mL
25 mM 0.1997 mL 0.9986 mL 1.9972 mL 4.9930 mL
30 mM 0.1664 mL 0.8322 mL 1.6643 mL 4.1608 mL
40 mM 0.1248 mL 0.6241 mL 1.2483 mL 3.1206 mL
50 mM 0.0999 mL 0.4993 mL 0.9986 mL 2.4965 mL
60 mM 0.0832 mL 0.4161 mL 0.8322 mL 2.0804 mL
80 mM 0.0624 mL 0.3121 mL 0.6241 mL 1.5603 mL
100 mM 0.0499 mL 0.2497 mL 0.4993 mL 1.2483 mL
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Dexmedetomidine 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:

Dexmedetomidine113775-47-6(+)-Medetomidine (S)-MedetomidineAdrenergic ReceptorBeta Receptorα2adrenoceptoranxiolysissedationanalgesiaInhibitorinhibitorinhibit

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