2. GPCR/G Protein Neuronal Signaling Membrane Transporter/Ion Channel Metabolic Enzyme/Protease Autophagy
  3. Cannabinoid Receptor TRP Channel Endogenous Metabolite Autophagy
  4. Pregnenolone monosulfate sodium

Pregnenolone monosulfate sodium  (Synonyms: 3β-Hydroxy-5-pregnen-20-one monosulfate sodium)

Cat. No.: HY-110189 Purity: 99.96%
SDS COA Handling Instructions

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Pregnenolone monosulfate sodium (3β-Hydroxy-5-pregnen-20-one monosulfate sodium) is a powerful neurosteroid, the main precursor of various steroid hormones including steroid ketones. Pregnenolone monosulfate sodium acts as a signaling-specific inhibitor of cannabinoid CB1 receptor, inhibits the effects of tetrahydrocannabinol (THC) that are mediated by the CB1 receptors. Pregnenolone monosulfate sodium can protect the brain from cannabis intoxication. Pregnenolone monosulfate sodium is also a TRPM3 channel activator, and also can weakly activate TRPM1 channels.

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

Pregnenolone monosulfate sodium Chemical Structure

Pregnenolone monosulfate sodium Chemical Structure

CAS No. : 1852-38-6

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Based on 3 publication(s) in Google Scholar

Other Forms of Pregnenolone monosulfate sodium:

Pregnenolone monosulfate sodium Related Antibodies

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  • Biological Activity

  • Protocol

  • Purity & Documentation

  • References

  • Customer Review

Description

Pregnenolone monosulfate sodium (3β-Hydroxy-5-pregnen-20-one monosulfate sodium) is a powerful neurosteroid, the main precursor of various steroid hormones including steroid ketones. Pregnenolone monosulfate sodium acts as a signaling-specific inhibitor of cannabinoid CB1 receptor, inhibits the effects of tetrahydrocannabinol (THC) that are mediated by the CB1 receptors. Pregnenolone monosulfate sodium can protect the brain from cannabis intoxication[1][2]. Pregnenolone monosulfate sodium is also a TRPM3 channel activator, and also can weakly activate TRPM1 channels[3].

IC50 & Target[1]

CB1

 

Human Endogenous Metabolite

 

In Vitro

CB1 receptor stimulation increases brain Pregnenolone levels, which in turn exerts a negative feedback on the activity of the CB1 receptor antagonizing most of the known behavioral and somatic effects of THC. Pregnenolone likely acts as a signaling-specific negative allosteric modulator binding to a site distinct from that occupied by orthosteric ligands. Pregnenolone does not modify agonist binding but only agonist efficacy[1].
The effect of THC is significantly attenuated when slices are pre-treated with Pregnenolone 100 nM (15.1±1.8 % of inhibition). These effects are likely due to a pre-synaptic action of Pregnenolone. Thus, Pregnenolone blocks the increase in paired-pulse ratio (PPR) induced by THC but does not modify either the amplitude or the decay time of miniature EPSC (mEPSC)[1].

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

Pregnenolone monosulfate sodium Related Antibodies
In Vivo

Pregnenolone administration (2-6 mg/kg) blocks THC-induced food-intake in Wistar rats and in C57BL/6N mice, and blunts the memory impairment induced by THC in mice, but it does not modify these behaviors per se. Injections of Pregnenolone (2 and 4mg/kg) before each self-administration session reduce the intake of WIN 55,212-2 and reduce the break-point in a progressive ratio schedule[1].

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

418.52

Formula

C21H31NaO5S
CAS No.
Appearance

Solid

Color

White to off-white

SMILES

CC([C@H]1CC[C@@]2([H])[C@]3([H])CC=C4C[C@@H](OS(=O)(O[Na])=O)CC[C@]4(C)[C@@]3([H])CC[C@]12C)=O
Structure Classification
Initial Source
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

-20°C, sealed storage, away from moisture

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

Solvent & Solubility
In Vitro: 

DMSO : 100 mg/mL (238.94 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

H2O : 5 mg/mL (11.95 mM; ultrasonic and warming and heat to 60°C)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.3894 mL 11.9469 mL 23.8937 mL
5 mM 0.4779 mL 2.3894 mL 4.7787 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 (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

  • 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: ≥ 2.5 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); 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 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 (sealed storage, away from moisture)

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: 99.96%

SDS (252 KB)

COA (252 KB) HNMR (260 KB) RP-HPLC (248 KB) MS (74 KB)

Handling Instructions (2659 KB)
References
Animal Administration
[1]

Mice and Rats[1]
Adult male Wistar rats (weighing 320-340g), Sprague Dawley male rats (weighing 330-350g), C57BL/6N mice (2-3 months) and CD1 mice (weighing 25-30 g at the beginning of the experiments) are used. Pregnenolone is injected subcutaneously (sc). The injection volumes are 1 mL/kg of body weight for rats and 10 mL/kg for mice[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
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 (sealed storage, away from moisture). 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
H2O / DMSO 1 mM 2.3894 mL 11.9469 mL 23.8937 mL 59.7343 mL
5 mM 0.4779 mL 2.3894 mL 4.7787 mL 11.9469 mL
10 mM 0.2389 mL 1.1947 mL 2.3894 mL 5.9734 mL
DMSO 15 mM 0.1593 mL 0.7965 mL 1.5929 mL 3.9823 mL
20 mM 0.1195 mL 0.5973 mL 1.1947 mL 2.9867 mL
25 mM 0.0956 mL 0.4779 mL 0.9557 mL 2.3894 mL
30 mM 0.0796 mL 0.3982 mL 0.7965 mL 1.9911 mL
40 mM 0.0597 mL 0.2987 mL 0.5973 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 0.5973 mL

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

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Pregnenolone monosulfate sodium Related Classifications

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  • 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:

Pregnenolone monosulfate1852-38-63β-Hydroxy-5-pregnen-20-one monosulfateCannabinoid ReceptorTRP ChannelEndogenous MetaboliteAutophagyTransient receptor potential channelsInhibitorinhibitorinhibit

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