D4902 Sigma-Aldrich


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

Synonym: (11β,16α)-9-Fluoro-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione, 9α-Fluoro-16α-methyl-11β,17α,21-trihydroxy-1,4-pregnadiene-3,20-dione, 9α-Fluoro-16α-methylprednisolone, Prednisolone F

  • CAS Number 50-02-2

  • Empirical Formula (Hill Notation) C22H29FO5

  • Molecular Weight 392.46

  •  Beilstein/REAXYS Number 2066651

  •  EC Number 200-003-9

  •  MDL number MFCD00064136

  •  PubChem Substance ID 24893906

  •  NACRES NA.75



Related Categories Bioactives and Supplements for Stem Cell Expansion, Bioactives/Supplements, Cell Biology, Cell Culture, Cell Signaling and Neuroscience,
product line   BioReagent
assay   ≥97%
form   powder
potency   4-500 ng/mL
application(s)   cell culture | mammalian: suitable
mp   262-264 °C (lit.)
solubility   methanol: 25 mg/mL
storage temp.   2-8°C
Gene Information   human ... ABCB1(5243), CYP3A4(1576), IL4(3565), IL5(3567), NR3C1(2908)
mouse ... Abcb1a(18671), Abcb1b(18669), Ifng(15978), Nos2(18126), Ptgs2(19225), Tnf(21926)
rat ... Ar(24208), Nr3c1(24413), Tnf(24835)



Dexamethasone is used to study apoptosis, cell signaling pathways, cell differentiation and gene expression.


1 g in glass bottle

25, 100, 500 mg in glass bottle

Biochem/physiol Actions

Glucocorticoid anti-inflammatory agent. Regulates T cell survival, growth, and differentiation. Inhibits the induction of nitric oxide synthase.

It is poorly metabolized in the body and has great affinity and bioavailability.


Bottomless glass bottle. Contents are inside inserted fused cone.

Physical form

powder 2-8 °C; stock-frozen in working aliquots, avoid repeated freeze/thaw


To prepare 20 μg/ml stock solution, add 1ml absolute ethanol per mg product; gently swirl to dissolve. Add 49 ml sterile medium per ml of ethanol added, while mixing, to acheive final concentration of 20 μg/ml.

Safety & Documentation

Safety Information

GHS08  GHS08
Signal word 
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
NONH for all modes of transport
WGK Germany 


Certificate of Analysis (COA)

Please Enter a Lot Number

Certificate of Origin (COO)

Please Enter a Lot Number

Frequently Asked Questions

What is Product D4902, Dexamethasone, soluble in?
Dexamethasone is practically insoluble in water. It is soluble in ethanol, methanol, acetone, dioxane and slightly soluble in chloroform.
How should I reconstitute Product D4902, Dexamethasone, for tissue culture use?
The tissue culture grade product isdissolved in ethanol at a concentration of 1 mg/ml forming a clear, colorless solution. It is also possible to prepare a stock solution of dexamethasone in DMSO at 1.5 mM.
Do you have references for the use of Product D4902, Dexamethasone?
References can be found on the product detail page:Migliorati, G., et al., Dexamethasone and interleukins modulate apoptosis of murine thymocytes and peripheral T-lymphocytes. Pharmacol Res., 30(1), 43-52 (1994).Bansal, N., et al., Apoptosis: mode of cell death induced in T cell leukemia lines by dexamethasone and other agents. FASEB J. 5(2), 211-6 (1991).Shiao, R.T., et al., Dexamethasone and suramin inhibit cell proliferation and interleukin-6-mediated immunoglobulin secretion in human lymphoid and multiple myeloma cell lines. Leuk. Lymphoma, 17(5-6), 485-494 (1995).Migliorati, G., et al, Dexamethasone induces apoptosis in mouse natural killer cells and cytotoxic T lymphocytes. Immunology, 81(1), 21-26 (1994).
How long is Product D4902, Dexamethasone, stable in solution?
Dexamethasone solutions are stable for at least 30 days when stored at 4 °C and protected from light. The solution may be aliquoted and stored at -20 °C. However, insufficient information is available to assess the shelf-life of the frozen solution.
What cell lines has Product D4902, Dexamethasone, been tested on?
The cell lines on which this product is tested can vary from lot to lot. Some typically used cell lines are 3T3 fibroblasts, BHK, L929 and CHO.
What is the shelf life of Product D4902, Dexamethasone?
The product has a 5 year shelf life.
Product D4902, Dexamethasone is not water soluble. Do you have a water soluble Dexamethasone?
Product D2915 is water soluble.
Can I use Product D4902, Dexamethasone, to inject into mice?
We do not perform animal studies with our products, but it can be used in cell culture (D2915 - cell culture grade version, or USP grade product D9184).
Are Products D4902 and D2915, sterile?
No. This product is not sterile, but cell culture testing did not find the product to be toxic to cells.
Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
How do I find price and availability?
There are several ways to find pricing and availability for our products.Once you log onto our website, you will find the price and availability displayed on the product detail page.You can contact any of our Customer Sales and Service offices to receive a quote. USA customers: 1-800-325-3010 orview local office numbers.
What is the Department of Transportation shipping information for this product?
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.
My question is not addressed here, how can I contact Technical Service for assistance?
Ask a Scientist here.
Show more questions

Pipette Controller from Brand
Protocols & Articles


Mitochondrial Stress and ROS

Oxidative stress is implicated in the pathogenesis of lipotoxicity in both animal and human studies. Chronic oxidative stress is linked to insulin resistance in multiple tissues. Oxidative stress is ...
BioFiles 2011, 6.4, 22.
Keywords: Anti-inflammatory agents, Apoptosis, Cancer, Cell signaling, Cellular processes, Gene expression, Indicators, Metabolism, Oxidations, Respiratory


Induced Pluripotent Stem Cell Reprogramming Protocols

Introduction Methods     Reprogramming of Human Fibroblasts using Non-Integrating Self-Replicating RNA Vectors     Reprogramming of Peripheral Blood Mononuclear Cells (PBMCs) using STEMCCA Lentiviral...
Keywords: Apoptosis, Cell culture, Culture media, Gene expression, Growth factors, Immunocytochemistry, Polymerase chain reaction, Respiratory, Transduction, Transfection

Related Content

Cell Culture Troubleshooting Guide

Cell culture has become one of the most fundamental techniques for modeling biological systems, and is of increasing importance in the biotechnology and pharmaceutical sectors as well as an essential...
Keywords: Antibiotics, Apoptosis, Cell attachment, Cell culture, Cryopreservation, Filtration, Growth factors, Pharmaceutical, Phase transitions

Peer-Reviewed Papers


Related Products

related product

Product #


Add to Cart

08168 Timestrip Plus 8 °C

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?