yingweiwo

Yunaconitine

Alias: Guayewuanine B Yunaconitine
Cat No.:V15314 Purity: ≥98%
Yunaconitine (Guayewuanine B) is a highly toxic aconitine alkaloid.
Yunaconitine
Yunaconitine Chemical Structure CAS No.: 70578-24-4
Product category: Disease Research Fields
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
Yunaconitine (Guayewuanine B) is a highly toxic aconitine alkaloid.
Yunaconitine (CAS# 70578-24-4) is a C19-diterpenoid alkaloid isolated from Aconitum species, plants traditionally used in herbal medicine but known for significant toxicity. It has anti-inflammatory and analgesic actions. Yunaconitine is primarily studied in toxicological and pharmacological research due to its potent effects on voltage-gated sodium channels, leading to neurotoxicity and cardiotoxicity. It has been shown to have an anti-thermic effect in pyrexial rats when administered orally at a dose of 5 μg/kg.
Biological Activity I Assay Protocols (From Reference)
Targets
Yunaconitine is a C19-diterpenoid alkaloid that acts on voltage-gated sodium channels. It binds to and activates tetrodotoxin-sensitive Na+ channels and prolongs the opening of the sodium-ion channel by suppressing conformational changes. This leads to neurotoxicity and cardiotoxicity. The compound also exhibits anti-inflammatory and analgesic properties. Yunaconitine has been shown to increase serum total complement as well as the phagocytic activity of the reticuloendothelial system in mice, effects that may contribute to its anti-inflammatory actions.
ln Vitro
In vitro, Yunaconitine exhibits cytotoxic activity in human leukemic cells. It has been shown to have anti-inflammatory and analgesic actions in various assays. The compound's effects on voltage-gated sodium channels can be studied in electrophysiological assays using neuronal cell lines. Its in vitro activity is characterized by its ability to modulate sodium channel function and induce cytotoxicity in cancer cell lines. Yunaconitine's anti-inflammatory effects can be assessed using standard in vitro inflammation assays.
ln Vivo
In vivo, Yunaconitine has been shown to have an anti-thermic effect in pyrexial rats when administered orally at a dose of 5 μg/kg. It has anti-inflammatory and analgesic actions in animal models. Research applications include in vivo studies showing it reduces fever, inhibits granuloma formation, and suppresses vascular permeability and leukocyte migration in rodent models. Yunaconitine also increases serum total complement and phagocytic activity of the reticuloendothelial system in mice. These findings demonstrate the compound's in vivo pharmacological activities.
Enzyme Assay
In vitro enzyme/receptor binding assays for Yunaconitine typically involve studying its interaction with voltage-gated sodium channels. The compound binds to and activates tetrodotoxin-sensitive Na+ channels. Binding assays can be performed using radiolabeled ligands and membrane preparations from neuronal tissues. These assays confirm the compound's mechanism of action as a sodium channel modulator. Its effects on sodium channel function can also be assessed using electrophysiological techniques.
Cell Assay
In vitro cellular assays for Yunaconitine typically involve treating cancer cell lines, such as human leukemic cells, with the compound and measuring cell viability and cytotoxicity. The compound exhibits cytotoxic activity in these assays. Its effects on sodium channel function can also be studied in neuronal cell lines using patch-clamp electrophysiology. These cell-based studies demonstrate the compound's cytotoxic and channel-modulating activities.
Animal Protocol
In vivo animal models for Yunaconitine include the pyrexial rat model to assess its anti-thermic effect. The compound is administered orally at a dose of 5 μg/kg. Other models include inflammation models to assess its anti-inflammatory and analgesic actions. In these models, Yunaconitine reduces fever, inhibits granuloma formation, and suppresses vascular permeability and leukocyte migration. Doses and administration routes are optimized based on the specific model and experimental endpoints.
ADME/Pharmacokinetics
Yunaconitine has a molecular formula of C35H49NO11 and a molecular weight of 659.76 g/mol. It is a C19-diterpenoid alkaloid isolated from Aconitum species. The compound is typically stored under appropriate conditions to maintain stability. Its physicochemical properties support its use in pharmacological and toxicological research. Yunaconitine's solubility and formulation for administration should be optimized based on specific experimental requirements. The compound is a known phytotoxin and should be handled with caution.
Toxicity/Toxicokinetics
Yunaconitine is a highly toxic compound due to its potent effects on voltage-gated sodium channels. It causes neurotoxicity and cardiotoxicity. The compound is a phytotoxin and a human urinary metabolite. Its toxicity is well-documented from its use in traditional medicine and from poisoning cases. Yunaconitine should be handled with extreme caution in laboratory settings. Appropriate safety measures, including the use of personal protective equipment, should be employed when handling this compound. Its toxicological profile is consistent with other Aconitum alkaloids.
Additional Infomation
Unaconine has been reported in aconite (Aconitum forrestii), bufotoxin (Aconitum volubile var. pubescens), and other organisms for which data is available. See also: Unaconine (note moved to).
Yunaconitine (CAS# 70578-24-4) is a C19-diterpenoid alkaloid isolated from Aconitum species. It has anti-inflammatory and analgesic actions and has been shown to have an anti-thermic effect in pyrexial rats when administered orally at a dose of 5 μg/kg. Yunaconitine is primarily studied in toxicological and pharmacological research due to its potent effects on voltage-gated sodium channels, leading to neurotoxicity and cardiotoxicity. It exhibits cytotoxic activity in human leukemic cells. The compound is for research use only and is not approved for human therapeutic use. It should be handled with extreme caution due to its high toxicity.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C35H49NO11
Molecular Weight
659.773
Exact Mass
659.33
CAS #
70578-24-4
PubChem CID
155569
Appearance
White to off-white solid powder
Density
1.3±0.1 g/cm3
Boiling Point
722.8±60.0 °C at 760 mmHg
Melting Point
142-144ºC
Flash Point
390.9±32.9 °C
Vapour Pressure
0.0±2.5 mmHg at 25°C
Index of Refraction
1.599
LogP
0.61
Hydrogen Bond Donor Count
2
Hydrogen Bond Acceptor Count
12
Rotatable Bond Count
12
Heavy Atom Count
47
Complexity
1230
Defined Atom Stereocenter Count
0
SMILES
CCN1C[C@@]2([C@@H](C[C@@H]([C@@]34[C@@H]2[C@H]([C@@H](C31)[C@]5(C[C@@H]([C@]6(C[C@@H]4[C@@H]5[C@H]6OC(=O)C7=CC=C(C=C7)OC)O)OC)OC(=O)C)OC)OC)O)COC
InChi Key
LLEMSCWAKNQHHA-UHFFFAOYSA-N
InChi Code
InChI=1S/C35H49NO11/c1-8-36-16-32(17-41-3)22(38)13-23(43-5)35-21-14-33(40)24(44-6)15-34(47-18(2)37,26(29(35)36)27(45-7)28(32)35)25(21)30(33)46-31(39)19-9-11-20(42-4)12-10-19/h9-12,21-30,38,40H,8,13-17H2,1-7H3
Chemical Name
[8-acetyloxy-11-ethyl-5,14-dihydroxy-6,16,18-trimethoxy-13-(methoxymethyl)-11-azahexacyclo[7.7.2.12,5.01,10.03,8.013,17]nonadecan-4-yl] 4-methoxybenzoate
Synonyms
Guayewuanine B Yunaconitine
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

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 (~151.57 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.08 mg/mL (3.15 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 20.8 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: ≥ 2.08 mg/mL (3.15 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 20.8 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: ≥ 2.08 mg/mL (3.15 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 20.8 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 1.5157 mL 7.5784 mL 15.1568 mL
5 mM 0.3031 mL 1.5157 mL 3.0314 mL
10 mM 0.1516 mL 0.7578 mL 1.5157 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.

Calculator

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

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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?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

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:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
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  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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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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