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MSQC13 Sigma-Aldrich

SILuMAb Rituximab Stable-Isotope Labeled Monoclonal Antibody

recombinant, expressed in CHO cells



Related Categories Antibody Characterization and Analysis, Biochemicals and Reagents, Proteins and Derivatives, SILuMAb and SigmaMAb Antibody Standards for Mass Spec Analysis
Quality Level   200
recombinant   expressed in CHO cells
antibody product type   primary antibodies
assay   ≥90% (SDS-PAGE)
form   solid
packaging   vial of 100 μg
suitability   suitable for mass spectrometry
shipped in   wet ice
storage temp.   −20°C


General description

SILuMAb Rituximab (MSQC13) is a recombinant, stable isotope-labeled, monoclonal antibody which incorporates [13C615N4]-Arginine and [13C615N2]-Lysine. Expressed in CHO cells, it is designed to be used as an internal standard for the quantitative mass spectrometry analysis of Rituximab in human serum. 


SILuMab Rituximab Heavy Chain:

SILuMab Rituximab Light Chain:

Legal Information

This product is licensed under U.S. Patent No. 7,396,688 and foreign counterparts from E. I. du Pont de Nemours and Company. The purchase of this product conveys to the buyer the nontransferable right to use the purchased amount of the product for research and development only, including services for a third party for consideration. The buyer cannot sell or otherwise transfer this product, its components or materials made using this product or its components to a third party. Information about licenses for excluded uses is available from: E. I. du Pont de Nemours and Company; Attn: Associate Director, Commercial Development; DuPont Experimental Station E268; 200 Powdermill Rd.; Wilmington, DE 19803; 1-877-881-9787 (voice), 1-302-695-1437 (fax), licensing@dupont.com.

SILu is a trademark of Sigma-Aldrich Co. LLC

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable


Certificate of Analysis (COA)

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