The Ansh Labs' Tri-Level Controls are intended for use as assay quality controls to monitor the precision and reproducibility of laboratory testing methods for the determination of AMH and can be run as unknowns against kit calibrators in any human AMH assay. The AMH controls are standardized to recombinant Human AMH (>99.9% by HPLC) that is characterized by mass spectrometry. For Research Use Only within the United States. CE Mark kit available for international purchases. Ansh Labs, located just south of Houston Texas, is an FDA registered manufacturer of diagnostic test kits, antibodies, antigens, and proteins.