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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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Purity: ≥98%
Endoxifen HCl (Z-Endoxifen; N-Desmethyl-4-hydroxytamoxifen), the hydrochloride salt of endoxifen which is an active metabolite of Tamoxifen, is a potent and selective estrogen receptor antagonist/SERM with potential anticancer activity. It has been found to be effective in patients that have failed previous hormonal therapies. Endoxifen shows anti-estrogenic effects, and decreases the E2-induced PR expression in MCF-7 cells. Endoxifen also blocks ER-alpha transcriptional activity and inhibits estrogen-induced breast cancer cell proliferation. In MCF7, HS 578T, and BT-549 cells, Endoxifen significantly inhibits cell proliferation. Endoxifen also exhibits four-fold higher inhibition on PKC activity compared to tamoxifen.
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| References |
Cancer Chemother Pharmacol.2005 May;55(5):471-8;Breast Cancer Res Treat.2010Jul;122(2):579-84.
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| Additional Infomation |
Endoxifen Hydrochloride is the hydrochloride salt and the z (cis-) stereoisomer of endoxifen with potential antineoplastic activity. Endoxifen, the active metabolite of tamoxifen, competitively inhibits the binding of estradiol to estrogen receptors, thereby preventing the receptor from binding to the estrogen-response element on DNA and thus reducing DNA synthesis. Unlike tamoxifen, however, which relies on CYP2D6 activity for its conversion to the active metabolite endoxifen, the direct administration of endoxifen bypasses the CYP2D6 route. As CYP2D6 activity can vary widely among individuals due to genetic CYP2D6 polymorphisms, endoxifen is therefore theoretically more potent and more uniform in its bioavailability across patient populations.
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| Molecular Formula |
C25H28CLNO2
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| Molecular Weight |
409.95
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| Exact Mass |
409.18
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| CAS # |
1032008-74-4
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| Related CAS # |
Endoxifen (Z-isomer);112093-28-4;Endoxifen hydrochloride;1197194-41-4;Endoxifen (E-isomer);114828-90-9;Endoxifen;110025-28-0;Endoxifen E-isomer hydrochloride;1197194-61-8
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| PubChem CID |
54613017
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| Appearance |
White to off-white solid powder
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| LogP |
6.552
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| Hydrogen Bond Donor Count |
3
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| Hydrogen Bond Acceptor Count |
3
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| Rotatable Bond Count |
8
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| Heavy Atom Count |
29
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| Complexity |
467
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| Defined Atom Stereocenter Count |
0
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| SMILES |
CC/C(=C(\C1=CC=C(C=C1)O)/C2=CC=C(C=C2)OCCNC)/C3=CC=CC=C3.Cl
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| InChi Key |
RPFIMPDXTABYCN-BJFQDICYSA-
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| InChi Code |
InChI=1S/C25H27NO2.ClH/c1-3-24(19-7-5-4-6-8-19)25(20-9-13-22(27)14-10-20)21-11-15-23(16-12-21)28-18-17-26-2;/h4-16,26-27H,3,17-18H2,1-2H3;1H/b25-24-
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| Chemical Name |
(Z)-4-(1-(4-(2-(methylamino)ethoxy)phenyl)-2-phenylbut-1-en-1-yl)phenol hydrochloride
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| Synonyms |
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| HS Tariff Code |
2934.99.9001
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| Storage |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month Note: Please store this product in a sealed and protected environment, avoid exposure to moisture. |
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| 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) |
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| Solubility (In Vivo) |
Solubility in Formulation 1: 2.5 mg/mL (6.10 mM) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), suspension solution; with sonication.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 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: 2.5 mg/mL (6.10 mM) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), suspension solution; with ultrasonication. For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 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. View More
Solubility in Formulation 3: ≥ 1.25 mg/mL (3.05 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution. |
| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 2.4393 mL | 12.1966 mL | 24.3932 mL | |
| 5 mM | 0.4879 mL | 2.4393 mL | 4.8786 mL | |
| 10 mM | 0.2439 mL | 1.2197 mL | 2.4393 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.
Products are for research use only; We do not sell to patients
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