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Fetal Bovine Serum

Fetal Bovine Serum, USA origin, Ultra Low IgG

FCS, FBS, Fetal Calf Serum

Quality Level

biological source

bovine fetus



product line

FBS Select


Bovine IgG, <5 μg/mL
Hemoglobin, ≤20 mg/dL


USA origin

storage condition

avoid repeated freeze/thaw cycles
protect from light


cell culture | mammalian: suitable


≤10 EU/mL endotoxin




260-330 mOsm/kg H2O

shipped in

dry ice

storage temp.


General description

Animal serum is commonly used to supplement basal media formulations for the optimal growth of many cell types in vitro.

Fetal Bovine Serum (FBS) is the most common serum used to supplement cell culture media due to its high nutritional content. Although it is relatively low in protein, FBS is effective in promoting and sustaining growth of vertebrate mammalian and insect cells.

IgG is the most common immunoglobulin present in FBS. Elevated levels of IgG may cause problems within certain recombinant protein or monoclonal antibody purification processes. For applications where IgG may interfere or cause issues, we have depleted IgG levels in this fetal bovine serum by sequential chromatography down to a level of < 5 ug/mL, while maintaining performance equivalent to regular FBS.


Packaged in sterilized, graduated plastic bottles and sealed with a tamper indicator. Bottles are immediately frozen and stored at -10 to -40 C.

Preparation Note

The fetal blood is aseptically collected and allowed to clot under controlled conditions. After centrifugation, the raw (unfiltered) serum is decanted from the clot, pooled and immediately frozen.

Frozen raw serum is thawed under controlled conditions and then processed through a series of membrane filters in descending pore size. FBS is filtered through three 0.1 μm filters before packaging.

Analysis Note

Endotoxin and hemoglobin tested

Storage Class Code

12 - Non Combustible Liquids

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

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