ES009-M Sigma-Aldrich

Fetal Bovine Serum

US Origin, EmbryoMax ES Cell Qualified FBS, sterile-filtered, suitable for stem cell culture

Synonym: FBS, FCS

  •  eCl@ss 26020100

  •  NACRES NA.75



biological source   bovine fetus
sterility   sterile-filtered
mfr. no.   Embryomax
  Specialty Media
origin   USA origin
application(s)   cell culture | stem cell: suitable
impurities   endotoxin, tested
  mycoplasma, tested
  virus, tested
storage temp.   −20°C


General description

The EmbryoMax ES Cell Qualified FBS is exclusively of US origin. Each lot is sterile filtered and mycoplasma, endotoxin, and virus tested. Additionally, each lot is prescreened for plating efficiency and maintenance of undifferentiated morphology of mouse embryonic stem cells. A Certificate of Analysis is available upon request for each lot of EmbryoMax ES Cell Qualified FBS.
Note: Precipitates may develop upon freezing and/or thawing of this product. If precipitates are present, filter product through a 0.2 micron filter. This occurrence does not impact product performance.

The maintanence, expansion, and assay of many stem cell and precursor cell cultures relies on media rich in a variety of factors, often supplied by fetal bovine serum (FBS).


Each lot is tested and qualified for use with mouse embryonic stem cells.


Replaces: ES-009-D

Physical form


Storage and Stability

Store at -20°C.

Analysis Note

• Endotoxin and hemoglobin tested
• Tested for the presence of bacteria, virus, and mycoplasma
• Triple filtered with 0.1 micron membrane under aseptic conditions


Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

Safety & Documentation

Safety Information

Safety Information for this product is unavailable at this time.
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