Size | Price | Stock | Qty |
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5mg |
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10mg |
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25mg |
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50mg |
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100mg |
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Other Sizes |
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Purity: ≥98%
Afimoxifene (4-hydroxytamoxifen or (E/Z)-4-hydroxy Tamoxifen), an active metabolite of tamoxifen with both estrogenic and anti-estrogenic effects, is a SERM (selective estrogen receptor modulator). Afimoxifene is a mixture of the configurational isomers of 4-hydroxytamoxifen: (Z)-4-Hydroxytamoxifen and (E)-4-Hydroxytamoxifen isomers. Afimoxifene is a transdermal gel formulation and is being developed by Ascend Therapeutics, Inc. under the trademark TamoGel. Afimoxifene has completed a phase II clinical trial for the treatment of cyclical mastalgia. A study in France on 55 women showed that rubbing afimoxifene on the skin was as good as tamoxifen tablets at slowing breast cancer growth. A US trial will compare 6 weeks use before breast cancer surgery. Skin application can reduce systemic levels by a factor of nine and this is expected to reduce the unpleasant side-effects of tamoxifen.
References |
[1] en.wikipedia.org/wiki/Afimoxifene; [2]Doxorubicin activates FOXO3a to induce the expression of multidrug resistance gene ABCB1 (MDR1) in K562 leukemic cells. Mol Cancer Ther. 2008 Mar;7(3):670-8.
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Molecular Formula |
C26H29NO2
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Molecular Weight |
387.51
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Exact Mass |
387.21983
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CAS # |
68392-35-8
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Related CAS # |
4-Hydroxytamoxifen;68047-06-3;(E)-4-Hydroxytamoxifen;174592-47-3
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SMILES |
OC1=CC=C(/C(C2=CC=C(OCCN(C)C)C=C2)=C(C3=CC=CC=C3)/CC)C=C1
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InChi Key |
TXUZVZSFRXZGTL-OCEACIFDSA-N
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InChi Code |
InChI=1S/C26H29NO2/c1-4-25(20-8-6-5-7-9-20)26(21-10-14-23(28)15-11-21)22-12-16-24(17-13-22)29-19-18-27(2)3/h5-17,28H,4,18-19H2,1-3H3/b26-25+
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Chemical Name |
(E)-4-(1-(4-(2-(dimethylamino)ethoxy)phenyl)-2-phenylbut-1-en-1-yl)phenol
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Synonyms |
4hydroxytamoxifene 4Hydroxytamoxifen paraHydroxytamoxifen 4MonohydroxytamoxifenHydroxytamoxifen Afimoxifene Tamogel 4Hydroxytamoxifen trans4Hydroxytamoxifen Tamoxifen metabolite B 4hydroxytamoxifen.
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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)
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Solubility (In Vitro) |
DMSO : ~83.33 mg/mL (~215.04 mM)
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Solubility (In Vivo) |
Solubility in Formulation 1: ≥ 2.08 mg/mL (5.37 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 (5.37 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 | 2.5806 mL | 12.9029 mL | 25.8058 mL | |
5 mM | 0.5161 mL | 2.5806 mL | 5.1612 mL | |
10 mM | 0.2581 mL | 1.2903 mL | 2.5806 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.
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.