katal 

https://doi.org/10.1351/goldbook.K03372
Unit for catalytic activity coherent with the SI, equal to the catalytic activity that catalyses a reaction rate of one mole per second in an assay system. 1 kat=1 mols−1. The katal is recommended for use in the specific context of enzymes and clinical chemistry.
Source:
PAC, 1996, 68, 957. (Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)) on page 977 [Terms] [Paper]
See also:
PAC, 1994, 66, 2587. (Glossary of bioanalytical nomenclature - Part 1: General terminology, body fluids, enzymology, immunology (IUPAC Recommendations 1994)) on page 2595 [Terms] [Paper]
Citation: 'katal' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.K03372 RIS BibTex EndNote
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Last revised: February 24, 2014