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M0268 Sigma

Minimum Essential Medium Eagle

With Earle′s salts and L-glutamine, without sodium bicarbonate, powder, suitable for cell culture

Synonym: MEM



Related Categories Cell Culture, Classic Media and Salts, Minimum Essential Medium Eagle (MEM), Powder Media
Quality Level   GMP
form   powder
suitability   suitable for cell culture
components   sodium pyruvate: no
NaHCO3: no
phenol red: yes
Earle’s salts (5% CO2): yes
L-glutamine: yes
storage temp.   2-8°C


Frequently Asked Questions

Frequently Asked Questions are available for this Product.


Generally used to grow attached cell lines, such as fibroblasts, in the presence of FBS, calf or horse sera.

Other Notes

Essentially the same as the original formula, except it is provided as a powder.


Formulated to contain 9.5 grams of powder per liter of medium.


Supplement with 2.2 g/L sodium bicarbonate.

Protocols & Applications

Cryostor Cryopreservation Video Protocol

Price and Availability

All labs need water

Stericup and Steritop Filter Units
Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 

Frequently Asked Questions

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. These documents are located on the product detail page under Useful Links & Tools. Click on the following link to search for a Certificate of Analysis. Please click the following link to see the details on our Product Dating Information.
How do I get lot-specific information or a Certificate of Analysis?
A Certificate of Analysis is available by lot number and can be obtained through our Advanced Search Option: http://www.sigmaaldrich.com/catalog/AdvancedSearchPage.do
Does Product M0268, Minimum Essential Medium Eagle, contain phenol red?
Yes, this product contains phenol red.  Phenol red is included in most medium as a visual pH indicator.  The medium should be changed when the color turns yellow (acidic) or purple (basic).
What is the formulation of Product M0268, Minimum Essential Medium Eagle?
The formulation for this product can be found on the product datasheet at: http://www.sigmaaldrich.com/etc/medialib/docs/Sigma/datasheet2/m0268dat.Par.0001.File.tmp/m0268dat.pdf
Does Product M0268, Minimum Essential Medium Eagle, have an expiration date?
Yes, this product has an expiration date of 36 months from the date of manufacture. The expiration date can be found on the Certificate of Analysis.
Does Product M0268, Minimum Essential Medium Eagle, contain sodium bicarbonate?
No, this product does not contain sodium bicarbonate. It is recommended to add 2.2 g sodium bicarbonate per Liter of medium. Use either Product No. S5761 (powder) or S8761 (7.5% solution).
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 or view 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, or search here. 
My question is not addressed here, how can I contact Technical Service for assistance?
Use the option to the right to "Ask a Question" by email of a Technical Service Scientist.
  What kind of solution is the A5955 - Antibiotic Antimycotic Solution (100×), Stabilized product suspended in?
A5955 - Antibiotic Antimycotic Solution (100×), Stabilized is supsended in a sodium citrate buffer solution. Source: Israel production group
Show more questions
Protocols & Articles


Powdered Media Preparation Instructions

Powdered media and salt mixtures are extremely hygroscopic and should be protected from atmospheric moisture. The entire contents of each package should be used immediately after opening. Preparing m...

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Minimum Essential Medium Eagle - MEM Media

Minimum Essential Medium (MEM), developed by Harry Eagle, is one of the most widely used of all synthetic cell culture media.  Early attempts to cultivate normal mammalian fibroblasts and certain sub...
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