The solution stability of this product in corn oil has not been determined. However, other sources state that solutions of tamoxifen in corn oil can be stored at 4°C for up to a week.
T5648
Tamoxifeno
≥99% (TLC), powder, PKC inhibitor
Sinónimos:
trans-Tamoxifeno, (Z)-1-(p-Dimetilaminoetoxifenil)-1,2-difenil-1-buteno, trans-2-[4-(1,2-Difenil-1-butenil)fenoxi]-N,N-dimetiletilamina
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About This Item
Productos recomendados
Nombre del producto
Tamoxifeno, ≥99%
sterility
(Not packaged in a sterile environment)
assay
≥99%
mp
97-98 °C (lit.)
solubility
H2O: insoluble <0.1% at 20 °C
chloroform: soluble 50 mg/mL, clear, colorless to faintly yellow
2-propanol: soluble
DMSO: soluble
ethanol: soluble
methanol: soluble
propylene glycol: soluble
antibiotic activity spectrum
neoplastics
mode of action
enzyme | inhibits
originator
AstraZeneca
storage temp.
2-8°C
SMILES string
CC\C(c1ccccc1)=C(/c2ccccc2)c3ccc(OCCN(C)C)cc3
InChI
1S/C26H29NO/c1-4-25(21-11-7-5-8-12-21)26(22-13-9-6-10-14-22)23-15-17-24(18-16-23)28-20-19-27(2)3/h5-18H,4,19-20H2,1-3H3/b26-25-
InChI key
NKANXQFJJICGDU-QPLCGJKRSA-N
Gene Information
human ... CYP1A2(1544) , EBP(10682) , ESR1(2099) , ESR2(2100) , ESRRA(2101)
rat ... Ar(24208) , Esr1(24890)
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General description
Este derivado no esteroideo del trifeniletileno suprime el crecimiento tumoral y se ha comunicado que es carcinógeno y teratógeno en animales. Además, el TC también puede proteger el hueso de la pérdida ósea por deficiencia de estrógenos y reducir el colesterol plasmático, y ha sido implicado en la carcinogénesis hepática en rata. Otras acciones del TC son la reducción de los niveles plasmáticos del factor de crecimiento insulinoides, la inducción de las células que rodean a las células cancerosas para segregar el factor β de crecimiento transformante y la inhibición de la peroxidación de los lípidos de membrana, probablemente reduciendo la fluidez de la membrana.
Application
- en el ensayo MTS (3-(4,5-dimetiltiazol-2-il)-5-(3-carboximetoxifenil)-2-(4-sulfofenil)-2H-tetrazolio) y la tinción con cristal violeta para evaluar la viabilidad celular[2] [3]
- para inducir la ablación de Dicer en ratones Dicer condicionales, estudiar los efectos de la deficiencia de Dicer sobre la diferenciación y la función de los adipocitos.[4]
- para estudiar sus efectos biológicos en la línea celular Jurkat resistente a los glucocorticoides (GC), derivada de la leucemia linfoblástica aguda del linaje T (T-ALL)[5]
- para estudiar los efectos fisiológicos del tratamiento con tamoxifeno sobre el área preóptica (POA) del hipotálamo mediados por el receptor de estrógenos alfa (ERα) en ratones[6]
- para inducir la actividad recombinasa Cre para la manipulación génica.[7]
- para facilitar la recombinación del alelo ect2flox en los órganos murinos
- para estudiar su efecto sobre la activación de la microglia inducida por lipopolisacáridos (LPS)
Biochem/physiol Actions
Features and Benefits
Preparation Note
Storage and Stability
Other Notes
signalword
Danger
hcodes
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1A - Repr. 1B
Storage Class
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type P3 (EN 143) respirator cartridges
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Chromatograms
application for HPLC, application for SPE-
Tamoxifen was dissolved in corn oil (20mg/ml concentration). Can this solution be stored long term and how? Thank you.
1 answer-
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Is this product pharmaceutical grade?
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This product is intended for research use only. At this time, a pharmaceutical-grade product option is not available.
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Hello, Thank you for your product. According to my protocol, I have to dissolve Tamoxifen in the corn oil at the final concentration of 40 mg/ml and feed my mice with that. However, it's insoluble. How can I resolve it? Thank you, Hossein
1 answer-
This product is soluble in chloroform (50 mg/mL, clear, colorless to faintly yellow), 2-propanol, DMSO (10 mM), ethanol, methanol and propylene glycol. Kindly review the information on the product datasheet available at this link: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/389/852/t5648pis.pdf
Corn oil has also been used as a vehicle for tamoxifen as cited by Whitfield J, Littlewood T, Soucek L. Tamoxifen administration to mice. Cold Spring Harb Protoc. 2015 Mar 2;2015(3):269-71. doi: 10.1101/pdb.prot077966. PMID: 25734062; PMCID: PMC6773604. Kindly also review the details at this link: https://www.jax.org/research-and-faculty/resources/cre-repository/tamoxifen
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If I want to use 20mg of tamoxifen, could I only dissolve part of tamoxifen and then store the rest of the powder at refrigerator? Or do I have to dissolve all vial at once?
1 answer-
Tamoxifen is relatively stable. Any required amount can be weighed up for use as needed and the bottle resealed. The powder should be stable for at least two years when stored desiccated at 2-8C, and protected from light.
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Is this product sterile?
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This product is not packaged in a sterile environment.
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What is the solubility of tamoxifen, Product No. T5648?
1 answer-
Tamoxifen is tested for solubility in chloroform at a concentration of 50mg/mL. This yields a colorless to faint yellow solution. Tamoxifen is practically insoluble in water. It has been reported to be soluble in methanol, ethanol, 2-propanol and propylene glycol. This product is also reported to be soluble in DMSO at 10mM concentration. Reference for DMSO solubility: Wong, K.R., et al., Am. J. Physiol. Heart Circ. Physiol., 277, H1403-H1409 (1999). Please also see the product information sheet (under Documents, above) for more information on the solubility of this product.
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What is the stability of tamoxifen (e.g., Product No. T5648) once in solution?
1 answer-
Solutions of tamoxifen are sensitive to UV light. According to C.A. O'Brian et al., [Cancer Res. 45, 2462 (1985)], tamoxifen when dissolved in DMSO can be stored at -20°C in the dark. We generally recommend making the solution fresh right before each use.
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What is the Department of Transportation shipping information for this product?
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Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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How do I find the expiration date of the bottle of Product No T5648, Tamoxifen, in my possession?
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According to Sigma Quality Control Data, T5648 (tamoxifen) should be stable for at least two years if stored dessicated at 2-8°C in the dark. However, there is not an established expiration or retest date for Tamoxifen. This product is guaranteed for 1 year from shipment, if stored correctly and unopened.
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