Beta-2 Microglobulin (B2M)

Availability	Discontinued, replaced with item 126-16
Product Name	Beta-2 Microglobulin
Source	Human Urine
Catalogue Number	126-12
Purity	> 98% (SDS-PAGE)
Form	Liquid
Protein	1.0 - 3.0 mg/mL (A₂₈₀, E^0.1%_280nm=1.65)
Formulation	Solution in 40 mM sodium phosphate, 150 mM sodium chloride, 1 mM EDTA, and 0.05% sodium azide, pH 7.2.
Appearance	Clear, colorless to light straw colored liquid
Related Products	GB2-80A - anti-Human B2M polyclonal antibody 126-11 - B2M antigen from human urine - Lyophilized 431-11 - Myoglobin antigen from human heart
Storage	2-8°C
Recertification	3 years
Infectious Disease Testing	Negative or non-reactive at the donor level for anti-HIV 1 and 2, anti-HCV, HBsAg, and syphilis by FDA approved methods.
Molecular Weight	Approx. 12,000
Synonyms	B2M, BMG, beta-2M
CAS Number	9066-69-7
UNSPSC code	51131907
Gene	B2M, CDABP0092, HDCMA22P
Gene ID	567
Accession No	P61769
References	Anal. Chem., 2013, 85 (20), pp 9664–9670