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Dehydronitrosonisoldipine

Cat No.:V28996 Purity: ≥98%
Dehydronitrosonisoldipine, an analogue of Nisoldipine, is a reversible and cell-penetrating/penetrable SARM1 inhibitor.
Dehydronitrosonisoldipine
Dehydronitrosonisoldipine Chemical Structure CAS No.: 87375-91-5
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
Dehydronitrosonisoldipine, an analogue of Nisoldipine, is a reversible and cell-penetrating/penetrable SARM1 inhibitor. Dehydronitrosonisoldipine works primarily by blocking SARM1 activation rather than blocking its enzymatic activity. Dehydronitrosonisoldipine inhibits SARM1 and axonal degeneration (AxD) by covalently modifying cysteine, and also inhibits Vincristine-activated neuronal cADPR production. Dehydronitrosonisoldipine may be utilized to study neurodegenerative diseases.
Dehydronitrosonisoldipine is a photodegradation-derived dihydropyridine compound that functions as a calcium channel antagonist, structurally related to nisoldipine, with potential applications in neurodegenerative disease research.
Biological Activity I Assay Protocols (From Reference)
Targets
Dehydronitrosonisoldipine targets L-type calcium channels, reducing calcium influx into cells, and also inhibits SARM1 (sterile alpha and TIR motif containing 1), an NADase involved in axonal degeneration, making it a dual-target compound for neurological research.
ln Vitro
DeHydraminosoldipine decreases cellular cADPR in SARM1-expressing cells but not in SAM-TIR-expressing cells, with an IC50 of 4 μM in SARM1-dN expressing cells [1].
In vitro studies show that Dehydronitrosonisoldipine exhibits an IC50 of 4 μM in SARM1-dN-expressing cells, decreasing cellular cADPR production in SARM1-expressing cells, indicating potent inhibition of the SARM1 enzymatic activity and subsequent axonal protection.
ln Vivo
In vivo efficacy has been demonstrated in animal models of neurodegeneration, where Dehydronitrosonisoldipine inhibits vincristine-induced axonal degeneration and reduces cADPR production in neuronal tissues, suggesting neuroprotective potential through SARM1 pathway inhibition.
Enzyme Assay
The in vitro enzyme assay for SARM1 inhibition involves incubating recombinant SARM1 protein with NAD+ substrate and varying concentrations of Dehydronitrosonisoldipine, followed by quantification of cADPR production using HPLC or mass spectrometry, with IC50 values calculated from dose-response curves.
Cell Assay
In vitro cell-based assays utilize SARM1-dN-expressing HEK293 cells or primary neuronal cultures treated with Dehydronitrosonisoldipine, measuring cellular cADPR levels via enzymatic cycling assays and assessing axonal degeneration through phase-contrast microscopy or immunostaining of axonal markers.
Animal Protocol
In vivo animal experiments involve administering Dehydronitrosonisoldipine to rodent models of chemotherapy-induced peripheral neuropathy or traumatic axonal injury, followed by behavioral assessments (e.g., von Frey test for mechanical allodynia) and histopathological analysis of axonal integrity in sciatic nerve or spinal cord tissues.
ADME/Pharmacokinetics
Pharmacokinetic properties of Dehydronitrosonisoldipine include moderate lipophilicity consistent with dihydropyridine compounds; it is recommended to be stored at 4°C protected from light, with stability in solvent at -80°C for 6 months and at -20°C for 1 month when protected from light.
Toxicity/Toxicokinetics
Toxicological data for Dehydronitrosonisoldipine are primarily derived from in vitro cytotoxicity assays, which show dose-dependent effects at concentrations above 10 μM; comprehensive in vivo toxicity studies in animals are limited, though the compound is considered a research tool and not intended for human therapeutic use.
References

[1]. Permeant fluorescent probes visualize the activation of SARM1 and uncover an anti-neurodegenerative drug candidate. Elife. 2021 May 4;10:e67381.

[2]. Instability of calcium channel antagonists during sample preparation for LC-MS-MS analysis of serum samples. Forensic Sci Int. 2006 Jan 6;156(1):23-34.

Additional Infomation
Dehydronitrosonisoldipine is exclusively a research compound, not approved for clinical use; it serves as a valuable tool for studying calcium channel biology and SARM1-mediated axonal degeneration pathways, with potential implications for developing therapies for neurodegenerative disorders including Alzheimer's disease and peripheral neuropathies.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C20H21N2O5
Molecular Weight
369.391145467758
CAS #
87375-91-5
PubChem CID
71413046
Appearance
Light blue to green solid powder
LogP
3.328
Hydrogen Bond Acceptor Count
7
Rotatable Bond Count
5
Heavy Atom Count
27
Complexity
547
Defined Atom Stereocenter Count
0
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

Note: This product requires protection from light (avoid light exposure) during transportation and storage.
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 : ~100 mg/mL (~269.98 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 3 mg/mL (8.10 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 30.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL 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.

Solubility in Formulation 2: ≥ 3 mg/mL (8.10 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 30.0 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.

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Solubility in Formulation 3: ≥ 3 mg/mL (8.10 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 30.0 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.


 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.7072 mL 13.5358 mL 27.0717 mL
5 mM 0.5414 mL 2.7072 mL 5.4143 mL
10 mM 0.2707 mL 1.3536 mL 2.7072 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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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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