Murine IL-9 recombinant Protein

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Product Overview, Sizes and Prices



Synonyms: P40, HP40, T-cell growth factor p40, IL-9, P40 cytokine.

Source: E. coli

Biological activity: ≥ 2 x 107IU/mg

Purity: ≥ 96 % (SDS-PAGE)

Physical state: Lyophilized

Manufacturer:  Active Bioscience

Article No. Size Price  
1540.960.002 2 µg 90 €
1540.960.010 10 µg 175 €
1540.960.199 1 mg 4.790 €

Please inquire for other vial sizes and custom vialing.



Product Details


P40, HP40, T-cell growth factor p40, IL-9, P40 cytokine.


Description of Murine IL-9

Interleukin-9 Murine Recombinant produced in E. coli is a single, non-glycosylated single polypeptide chain containing 127 amino acids and having a molecular mass of 14.3kDa.


Biological Activity

The ED50 as determined by the dose-dependant stimulation of human MO7e cells is < 0.5 ng/ml, corresponding to a Specific Activity of 2,000,000IU/mg.



We recommend a quick spin followed by reconstitution in sterile water to a concentration of at least 100 µg/ml, which can then be further diluted to other aqueous solutions. Do not vortex.



Lyophilized Interleukin-9 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IL9 should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA, order number: or, or BSA, order number: Please avoid repeated freeze-thaw cycles.


Lupe Zoom

Amino Acid Sequence



Shipping symbol Shipped at room temperature









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Errors, changes and availability excepted.




Payment Methods

Paying by bank transfer


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Free shipping for orders above 500 € within Germany

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