Rheumatoid Factor


Rheumatoid Factor


Catalog #: S2010001
Rheumatoid factor (RF) is a collection of autoimmune antibodies that target the Fc region of immunoglobulins G (IgG). RF is the first series of antibodies that was found in Rheumatoid Arthritis (RA). Rheumatoid Factor (catalog #S2010002) consists of human plasma containing an extremely high level of RF (>1900 IU/mL). This product can be used to test the RF tolerance of immunoassays. It can be only diluted with the Rheumatoid Factor Diluent (catalog #S2010002).

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Rheumatoid Factor

Product Data Sheet Download PDF
MSDS Download PDF
Catalog number: S2010001
Lot number: 0919S0001
Expiration date: 9/1/23
Concentration: 1907 IU/mL
Package Size: 2 mL
Appearance: Slightly turbid
Species: Human
Matrix: Defibrinated human plasma
Storage: -20°. Avoid repeated freeze-thaw.
Other names: RF, rheumatoid arthritis factor, rheumatoid arthritis antibody
Keywords: Rheumatoid Factor, RF, rheumatoid arthritis factor, rheumatoid arthritis antibody


  • Hollander, J. L. (1968). Rheumatoid Arthritis, Rheumatoid Factor, and Gamma G Globulin Fragments. Annals of Internal Medicine, 68(5), 1195.
  • Dalal, N., Roman, S., and Levinson, A. I. (1990). In vitro secretion of human IgM rheumatoid factor. Evidence for Distinct Rheumatoid Factor Populations in Health and Disease. Arthritis & Rheumatism, 33(9), 1340–1346.
  • Pappas, D. A., and Bathon, J. M. (2009). Treatment of Rheumatoid Arthritis: Tumor Necrosis Factor Inhibitors. Rheumatoid Arthritis, 337–349.
  • Shingu, M., Ezaki, I., and Nobunaga, M. (1988). Complement-activating properties of immune complexes are suppressed by IgM rheumatoid factor and enhanced by IgG rheumatoid factor. Rheumatology International, 8(3), 95–100.
  • Vaughan, J. H. (1993). Pathogenetic concepts and origins of rheumatoid factor in rheumatoid arthritis. Arthritis & Rheumatism, 36(1), 1–6.

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