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November 2018 Sale: With any purchase of our Immunization Grade Collagen, you may receive a free vial of Incomplete or Complete Freund's Adjuvant (up to 4 mg/ml M. tuberculosis) for free! Mention discount code NOV2018 in the comment section when placing your order to receive the vials of adjuvant.

We are pleased to announce the launch of our Human Anti-Bacteria Antibody Assay Kits! Check them out here!

Welcome to Chondrex, Inc., specialists in the biochemistry and immunology of collagen and collagen-related materials. Chondrex provides a variety of high quality reagents including collagen, collagenase, monoclonal antibodies, and various assay kits for use in allergy, arthritis, connective tissue, and nephritis related inflammation research.