Chromozym PK is a chromogenic substrate for factor XII assay. References: Shibayama Y, Brunnee T, Kaplan AP, Reddigari S. Activation of human Hageman factor (factor XII) in the presence of zinc and phosphate ions. Braz J Med Biol Res. 1994 Aug;27(8):1817-28. PubMed PMID: 7749371.

纯度：≥98%

CAS：58840-30-5