2. Neuronal Signaling
  3. Sigma Receptor
  4. CM398

CM398 is a highly selective, orally active sigma-2 receptor ligand (Ki=0.43 nM), with high sigma-1/sigma-2 selectivity rato (1000-fold). CM398 shows notable affinity for dopamine (Ki=32.90 nM) and serotonin transporters (Ki=244.2 nM). CM398 shows promising anti-inflammatory analgesic effects in the formalin model of inflammatory pain in mice.

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

CM398 Chemical Structure

CM398 Chemical Structure

CAS No. : 1121931-70-1

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Solid + Solvent
10 mM * 1 mL in DMSO
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Based on 1 publication(s) in Google Scholar

CM398 Related Antibodies

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  • Purity & Documentation

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Description

CM398 is a highly selective, orally active sigma-2 receptor ligand (Ki=0.43 nM), with high sigma-1/sigma-2 selectivity rato (1000-fold). CM398 shows notable affinity for dopamine (Ki=32.90 nM) and serotonin transporters (Ki=244.2 nM). CM398 shows promising anti-inflammatory analgesic effects in the formalin model of inflammatory pain in mice[1].

Molecular Weight

395.49

Formula

C23H29N3O3
CAS No.
Appearance

Solid

Color

Light yellow to brown

SMILES

O=C1N(C)C2=C(N1CCCCN3CC4=CC(OC)=C(C=C4CC3)OC)C=CC=C2
Shipping

Room temperature in continental US; may vary elsewhere.
Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
Solvent & Solubility
In Vitro: 

DMSO : 250 mg/mL (632.13 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 2.5285 mL 12.6425 mL 25.2851 mL
5 mM 0.5057 mL 2.5285 mL 5.0570 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. 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 (5.26 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 (5.26 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).
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
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. 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 2.5285 mL 12.6425 mL 25.2851 mL 63.2127 mL
5 mM 0.5057 mL 2.5285 mL 5.0570 mL 12.6425 mL
10 mM 0.2529 mL 1.2643 mL 2.5285 mL 6.3213 mL
15 mM 0.1686 mL 0.8428 mL 1.6857 mL 4.2142 mL
20 mM 0.1264 mL 0.6321 mL 1.2643 mL 3.1606 mL
25 mM 0.1011 mL 0.5057 mL 1.0114 mL 2.5285 mL
30 mM 0.0843 mL 0.4214 mL 0.8428 mL 2.1071 mL
40 mM 0.0632 mL 0.3161 mL 0.6321 mL 1.5803 mL
50 mM 0.0506 mL 0.2529 mL 0.5057 mL 1.2643 mL
60 mM 0.0421 mL 0.2107 mL 0.4214 mL 1.0535 mL
80 mM 0.0316 mL 0.1580 mL 0.3161 mL 0.7902 mL
100 mM 0.0253 mL 0.1264 mL 0.2529 mL 0.6321 mL
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CM398 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:

CM3981121931-70-1CM 398CM-398Sigma Receptororalselectiveaffinityanti-inflammatory analgesic effectsAntinociceptiveInhibitorinhibitorinhibit

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