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Merck
CN

Specification Sheet

Product Name
IL-1Ra human recombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC), suitable for cell culture

Product Number
srp3084

Product Brand
sigma

CAS Number

Molecular Weight

Test

Specification

AppearanceReport result
ColorReport result
Purity by SDS-Page≥ 98%
Purity by HPLC≥ 98%
Endotoxin Level≤1 EU/µg
Biological ActivityDetermined by its ability to inhibit the IL-1alpha stimulation of murine D10S cell. The expected ED50 is 20-40 ng/ml in the presence of 50 pg/ml of IL-1alpha.