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D1756

Dexametasona

≥98% (HPLC), powder, NOS induction inhibitor

Sinónimos:

(11β,16α)-9-Fluoro-11,17,21-trihidroxi-16-metilpregna-1,4-dieno-3,20-diona, 9α-Fluoro-16α-metil-11β,17α,21-trihidroxi-1,4-pregnadieno-3,20-diona, 9α-fluoro-16α-metilprednisolona, Prednisolona F

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Talla/SKUDisponibilidadPrecio
25 mg
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35,50 €
100 mg
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122,00 €
500 mg
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243,00 €
1 g
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370,00 €
5 g
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1520,00 €

Acerca de este artículo

Fórmula empírica (notación de Hill):
C22H29FO5
Número CAS:
Peso molecular:
392.46
NACRES:
NA.77
PubChem Substance ID:
UNSPSC Code:
51422306
EC Number:
200-003-9
MDL number:
Beilstein/REAXYS Number:
2066651
Assay:
≥98% (HPLC)
Form:
powder

35,50 €


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Nombre del producto

Dexametasona, ≥98% (HPLC), powder

Quality Segment

assay

≥98% (HPLC)

form

powder

color

off-white

mp

262-264 °C (lit.)

solubility

methanol: 25 mg/mL

originator

Merck & Co., Inc., Kenilworth, NJ, U.S.

storage temp.

2-8°C

SMILES string

C[C@@H]1C[C@H]2[C@@H]3CCC4=CC(=O)C=C[C@]4(C)[C@@]3(F)[C@@H](O)C[C@]2(C)[C@@]1(O)C(=O)CO

InChI

1S/C22H29FO5/c1-12-8-16-15-5-4-13-9-14(25)6-7-19(13,2)21(15,23)17(26)10-20(16,3)22(12,28)18(27)11-24/h6-7,9,12,15-17,24,26,28H,4-5,8,10-11H2,1-3H3/t12-,15+,16+,17+,19+,20+,21+,22+/m1/s1

InChI key

UREBDLICKHMUKA-CXSFZGCWSA-N

General description

Dexamethasone is a potent glucocorticoid with minimal to no mineralocorticoid activity. Dexamethasone exhibits pleiotropic effects on multiple signaling pathways, some of its functions include, inhibition of neutrophil migration and reduction of lymphocyte colony proliferation. Research findings show, dexamethasone might prevent high-altitude pulmonary edema by decreasing pulmonary artery pressure.

Application

Dexamethasone has been used:
  • in culture media to induce differentiation of adipose-derived stem cells into osteogenic tissue
  • as a component of adipocyte differentiation medium
  • for in vitro stimulation of primary normal human bronchial epithelial cells (NHBE) and airway smooth muscle (ASM)

Biochem/physiol Actions

Dexamethasone is known to be effective against relapsed multiple myeloma. It is found to decrease inflammation associated with cerebrospinal fluid and central nervous system (CNS) complications, such as hearing loss.
Glucocorticoide antiinflamatorio
Glucocorticoide antiinflamatorio. Regula la supervivencia, el crecimiento y la diferenciación de las células T. Inhibe la inducción de la óxido nítrico sintasa.

Features and Benefits

This compound is featured on the Nuclear Receptors (Steroids) page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.
This compound was developed by Merck & Co., Inc., Kenilworth, NJ, U.S.. To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Preparation Note

Dexamethasone is soluble in DMSO (25 mg/ml), chloroform or ethanol.
Dilute 1 mg/ml stock solution 1:50 with sterile media and store frozen in working aliquots to avoid repeated freeze-thaw.

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Este artículo
D4902PHR15261176007
description

≥98% (HPLC), powder

description

powder, BioReagent, suitable for cell culture, ≥97%

description

Pharmaceutical Secondary Standard; Certified Reference Material

description

United States Pharmacopeia (USP) Reference Standard

form

powder

form

powder

form

-

form

-

assay

≥98% (HPLC)

assay

≥97%

assay

-

assay

-

Quality Level

200

Quality Level

200

Quality Level

300

Quality Level

-

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-30°C

storage temp.

2-8°C

solubility

methanol: 25 mg/mL

solubility

methanol: 25 mg/mL

solubility

chloroform: slightly soluble, acetone: sparingly soluble, dioxane: soluble, DMSO: soluble, ether: very slightly soluble, methanol: sparingly soluble, water: practically insoluble

solubility

acetone: sparingly soluble, chloroform: slightly soluble, methanol: sparingly soluble, ether: very slightly soluble, water: practically insoluble

originator

Merck & Co., Inc., Kenilworth, NJ, U.S.

originator

-

originator

-

originator

-


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Pictogramas

Health hazard

Palabra de advertencia

Danger

Códigos de peligro

Hazard Classifications

Repr. 1B

Clase de almacenamiento

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

¿Qué está pasando?

WGK 3

Punto de inflamación (°F)

Not applicable

Punto de inflamación (°C)

Not applicable

EPI (equipos de protección individual)

dust mask type N95 (US), Eyeshields, Faceshields, Gloves



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Preguntas

1–8 de 8 Preguntas  
  1. is it ok to store the powder at room temperature?

    1 respuesta
    1. The recommended long-term storage temperature for this product is at 2 - 8 °C. However, this product ships at ambient temperature and is stable for short periods without refrigeration.

      ¿Le ha resultado útil?

  2. We plan dissolve it in DMSO and use for experiment (Inject to Mice via IM way), so Which is the appropriate concentration of DMSO? 

    1 respuesta
    1. Dexamethasone is soluble in 100% DMSO at a concentration of 25 mg/mL.

      ¿Le ha resultado útil?

  3. Is it okay to freeze and store the solution mixed with a vehicle such as 2-hydroxypropyl-β-cyclodextrin for a long time, and melt and freeze repeatedly?

    1 respuesta
    1. Solutions prepared in 2-hydroxypropyl-β-cyclodextrin may be stored in aliquots at -20ºC. Avoid repeated freeze/thaw cycles. Note that product D2915 is a prepared powder mixture of Dexamethason and 2-hydroxypropyl-β-cyclodextrin. This product is soluble at 25 mg/ml in water. Please see the link below to review additional water-soluble product options:
      https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/218/859/e8014inf.pdf

      Please see the following link to review (2-Hydroxypropyl)-β-cyclodextrin product options:
      https://www.sigmaaldrich.com/substance/2hydroxypropylbcyclodextrin12345128446355

      ¿Le ha resultado útil?

  4. Please can someone confirm if this is also soluble in DMSO? I have seen other people dissolve dexamethasone like this, but with a different brand

    1 respuesta
    1. Dexamethasone is soluble in DMSO (25 mg/ml), chloroform or Ethanol.

      ¿Le ha resultado útil?

  5. What is the Department of Transportation shipping information for this product?

    1 respuesta
    1. 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.

      ¿Le ha resultado útil?

  6. Is Product D1756, Dexamethasone, suitable for cell culture?

    1 respuesta
    1. This product has not been tested for cell culture. Please consider either Product No. D8893 or D4902, both of which are cell culture tested.

      ¿Le ha resultado útil?

  7. What is Product D1756, Dexamethasone, soluble in?

    1 respuesta
    1. Dexamethasone is practically insoluble in water. It is soluble in ethanol, methanol, acetone, dioxane, and slightly soluble in chloroform. Sigma routinely tests the solubility at 50 mg/mL in ethanol with heat, yielding a clear, colorless to faint yellow solution. However, dexamethasone will precipitate out of solution as the temperature returns to room temperature. At 25 mg/mL in methanol or ethanol, a clear colorless solution is obtained without heating.  The solubility of dexamethasone in DMSO is 606 mg/mL at 25°C.

      ¿Le ha resultado útil?

  8. What is the solution stability of Product D1756, Dexamethasone?

    1 respuesta
    1. Aqueous solutions of dexamethasone are stable for at least 30 days at 4°C. A stock solution at a concentration of 1mg/mL in absolute ethanol can be diluted 1:50 with sterile media and stored frozen as working aliquots.

      ¿Le ha resultado útil?

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