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Ailanthone

Alias: Ailanthone Δ13-Dehydrochaparrinone
Cat No.:V28610 Purity: ≥98%
Ailanthone (Δ13-Dehydrochaparrinone) is a potent androgen receptor (AR) inhibitor (antagonist) with IC50s of 69 nM and 309 nM for the intact androgen receptor and the persistently active splice variant, respectively.
Ailanthone
Ailanthone Chemical Structure CAS No.: 981-15-7
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
Ailanthone (Δ13-Dehydrochaparrinone) is a potent androgen receptor (AR) inhibitor (antagonist) with IC50s of 69 nM and 309 nM for the intact androgen receptor and the persistently active splice variant, respectively.
Biological Activity I Assay Protocols (From Reference)
ln Vitro
Ailanthon is a strong reaction to constitutively active truncated AR splice variants (AR-Vs) and full-length AR (AR-FL). In order to disrupt the AR-participant complex and further ubiquitin/proteosome-mediated degradation of AR and p23 clients, such as AKT and Cdk4, as well as Folding AR other target genes in PCa cell lines and orthotopic animal tumors, Ailanthon binds to the accessory component protein p23 and inhibits AR from responding to HSP90. Ailanthin has the ability to stop tumor growth and CRPC growth [1]. It has been demonstrated that ailanthin inhibits the growth of tumor cells in a range of cell lines, such as HepG2, Hep3B, R-HepG2, Jurkat, HeLa, MCF-7, MDA-MB-, 231, and A549 cells. Ailanthone inhibits the growth of Huh7 cells by blocking G0/G1 cell cycle candles and pathway-directed cells. Huh7 cells have mitochondria-directed Ailanthone-induced cell conduits that are mediated by PI3K/AKT signaling [2].
ln Vivo
Ailanthin administered PO as well as by intraperitoneal injection is very effective in preventing the formation of CRPC xenografts. Ailanthin demonstrated good solubility and bioavailability in pharmacokinetic studies (>20). Furthermore, during the course of treatment, the concentration of the adsorbed drug did not attain a stable level; yet, ailanthin tumors were able to effectively limit the growth of CRPC [1].
References

[1]. Ailanthone targets p23 to overcome MDV3100 resistance in castration-resistant prostate cancer. Nat Commun. 2016 Dec 13;7:13122.

[2]. Ailanthone Inhibits Huh7 Cancer Cell Growth via Cell Cycle Arrest and Apoptosis In Vitro and In Vivo. Sci Rep. 2015 Nov 3;5:16185.

Additional Infomation
Ailanthone is a triterpenoid.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C₂₀H₂₄O₇
Molecular Weight
376.40
Exact Mass
376.152
CAS #
981-15-7
PubChem CID
72965
Appearance
White to off-white solid powder
Density
1.5±0.1 g/cm3
Boiling Point
641.0±55.0 °C at 760 mmHg
Flash Point
231.6±25.0 °C
Vapour Pressure
0.0±4.3 mmHg at 25°C
Index of Refraction
1.640
LogP
-0.76
Hydrogen Bond Donor Count
3
Hydrogen Bond Acceptor Count
7
Rotatable Bond Count
0
Heavy Atom Count
27
Complexity
817
Defined Atom Stereocenter Count
9
SMILES
CC1=CC(=O)[C@H]([C@]2([C@H]1C[C@@H]3[C@]45[C@@H]2[C@]([C@@H](C(=C)[C@@H]4CC(=O)O3)O)(OC5)O)C)O
InChi Key
WBBVXGHSWZIJST-RLQYZCPESA-N
InChi Code
InChI=1S/C20H24O7/c1-8-4-12(21)16(24)18(3)10(8)5-13-19-7-26-20(25,17(18)19)15(23)9(2)11(19)6-14(22)27-13/h4,10-11,13,15-17,23-25H,2,5-7H2,1,3H3/t10-,11-,13+,15+,16+,17+,18+,19+,20-/m0/s1
Chemical Name
(1R,2R,3aS,3a1S,6aR,7aS,11S,11aS,11bR)-1,2,11-trihydroxy-8,11a-dimethyl-3-methylene-1,2,3,3a,4,7,7a,11,11a,11b-decahydro-5H-1,3a1-(epoxymethano)dibenzo[de,g]chromene-5,10(6aH)-dione
Synonyms
Ailanthone Δ13-Dehydrochaparrinone
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 : ~50 mg/mL (~132.84 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.08 mg/mL (5.53 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 (5.53 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 (5.53 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 2.6567 mL 13.2837 mL 26.5675 mL
5 mM 0.5313 mL 2.6567 mL 5.3135 mL
10 mM 0.2657 mL 1.3284 mL 2.6567 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?
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  • Enter 5 in the Volume box and choose the correct unit (mL)
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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.

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:
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  • 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

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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

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  • The answer appears in the Volume (to add to vial) box
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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