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Availability: In stock

Pyr-Pro-Arg-pNA hydrochloride salt


Product No. Pack Size Available ADS InfoAnalytical Data Sheet List Price Online Order Price Qty
4034068.0025 25 mg Ships within 3-5 business days  
CHF 263.00
CHF 244.59 (7%)
4034068.0100 100 mg Ships within 1 business day ADSExemplary Data Sheet of a current available lot.
CHF 788.00
CHF 732.84 (7%)


The chromogenic substrate pEPR-pNA has been used for the determination of kinetic constants of tryptase (EC from guinea pig (Km = 0.24 - 0.26 mM) and human (Km = 0.24 - 0.43 mM). Pyr-Pro-Arg-pNA has also been used as substrate for the coagulation factor XIa. Km and kcat values for this substrate were 0.56 mM and 350 s⁻¹, respectively.
Catalog Number L-2145
One Letter Code pEPR-pNA
Molecular Formula C₂₂H₃₀N₈O₆
Relative Molecular Mass 502.53
CAS Registry Number 72194-57-1
Source Synthetic
Storage Conditions -20 ± 5 °C
Application Hematology


Enzyme Substrates Inhibitors
Coagulation Factor XIa