This product is intended for research use only. It is not suitable for human or veterinary use. The material has not been tested for in vivo use. The end user would need to determine suitability. Solutions intended for use in animal models would require sterile filtration prior to administration.
E2257
β-Estradiol
powder, γ-irradiated, suitable for cell culture
Sinónimos:
1,3,5-Estratriene-3,17β-diol, 17β-Estradiol, 3,17β-Dihydroxy-1,3,5(10)-estratriene, Dihydrofolliculin
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1 MG
MXP 2,103.00
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1 MG
MXP 2,103.00
About This Item
Fórmula empírica (notación de Hill):
C18H24O2
Número de CAS:
Peso molecular:
272.38
Beilstein:
1914275
Número CE:
Número MDL:
Código UNSPSC:
12352209
ID de la sustancia en PubChem:
NACRES:
NA.77
Productos recomendados
origen biológico
synthetic (organic)
Nivel de calidad
esterilidad
γ-irradiated
Línea del producto
BioXtra
Ensayo
≥98% (HPLC)
Formulario
powder
técnicas
cell culture | mammalian: suitable
mp
176-180 °C (lit.)
solubilidad
ethanol: 1 mg/mL, clear, colorless to very faintly yellow
idoneidad
suitable for
Condiciones de envío
ambient
temp. de almacenamiento
room temp
cadena SMILES
O[C@H]1CC[C@@]2([H])[C@]3([H])CCC4=CC(O)=CC=C4[C@@]3([H])CC[C@@]21C
InChI
1S/C18H24O2/c1-18-9-8-14-13-5-3-12(19)10-11(13)2-4-15(14)16(18)6-7-17(18)20/h3,5,10,14-17,19-20H,2,4,6-9H2,1H3/t14-,15-,16+,17+,18+/m1/s1
Clave InChI
VOXZDWNPVJITMN-ZBRFXRBCSA-N
Información sobre el gen
human ... ESR1(2099) , ESR2(2100) , ESRRA(2101) , ESRRB(2103) , GPER(2852) , SERPINA6(866)
mouse ... Esr1(13982) , Esr2(13983) , Esrra(26379)
rat ... Afp(24177) , Ar(24208) , Esr1(24890) , Esr2(25149) , Shbg(24775)
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Descripción general
β-estradiol is a natural human estrogen. It is important for the growth of breast and reproductive epithelia, maturation of long bones and the development of secondary sexual characteristics.[1] Estradiol is produced by immature germ cells, spermatozoa, Leydig cells and Sertoli cells. It plays a crucial role in proliferation, regulation of ion transport and regulation of apoptosis in Sertoli cells. Estradiol regulates sperm concentration, motility and morphology.[2] β-estradiol functions as a menopausal hormone. It is implicated in replacement therapy for female hypogonadism or primary ovarian failure. Reduced levels of β-estradiol are associated with heart disease and osteoporosis.[1]
Aplicación
β-Estradiol is used to study cell differentiation and transformations (tumorigenicity).
Acciones bioquímicas o fisiológicas
The major estrogen secreted by the premenopausal ovary. Estrogens direct the development of the female phenotype in embryogenesis and during puberty by regulating gene transcription and, thus, protein synthesis. It also induces the production of gonadotropins which, in turn, induce ovulation. Exposure to estradiol increases breast cancer incidence and proliferation.
The major estrogen secreted by the premenopausal ovary.
Forma física
powder-RT; stock-frozen in working aliquots, avoid repeated freeze/thaw
Reconstitución
To prepare 20 μg/ml stock solution: add 1 ml absolute ethanol; gently swirl to dissolve; add 49 ml sterile medium while mixing.
Palabra de señalización
Danger
Frases de peligro
Consejos de prudencia
Clasificaciones de peligro
Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2 - Lact. - Repr. 1A
Código de clase de almacenamiento
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
Clase de riesgo para el agua (WGK)
WGK 3
Punto de inflamabilidad (°F)
Not applicable
Punto de inflamabilidad (°C)
Not applicable
Equipo de protección personal
Eyeshields, Gloves, type P3 (EN 143) respirator cartridges
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Certificados de análisis (COA)
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can this type estradiol be injected intraperitoneally in rat?
1 answer-
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What is the shelf life as a powder? What is the shelf life once in solution and stored at -20 degrees C?
1 answer-
This product does not contain an expiration date. It contains a recommended retest date of three years after the quality release date. A recommended retest date is the period of time during which the product is expected to remain within established stability specifications, provided that it has been stored under defined conditions. After the Retest Date, product samples should be examined to ensure that the product is still in compliance with the established specifications. For more information, you may access the "Product Dating Information" document under "ADDITIONAL USEFUL DOCUMENTS ABOUT OUR PRODUCTS" at the bottom of the Quality Services page with this link: https://www.sigmaaldrich.com/US/en/life-science/quality-and-regulatory-management/quality-services.
Upon resuspension, solutions can be stored frozen at -20°C for up to 3 months . It is advised to avoid repeated freeze/thaw cycles. If stored in the refrigerator (4°C), de-gassed stock solutions are stable for up to 6 months.
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