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Availability: In stock



Product No. Pack Size Available ADS InfoAnalytical Data Sheet List Price Online Order Price Qty
4005913.0050 50 mg Ships within 3-5 business days  
CHF 232.00
CHF 215.76 (7%)
4005913.0250 250 mg Ships within 1 business day ADSExemplary Data Sheet of a current available lot.
CHF 924.00
CHF 859.32 (7%)


Tetraproline. PPPP was used as an internal standard in the quantitative determination of the antihypertensive (ACE-inhibiting) peptides IPP and VPP in cheese by HPLC-MS³.
Catalog Number H-4800
One Letter Code PPPP
Molecular Formula C₂₀H₃₀N₄O₅
Relative Molecular Mass 406.48
CAS Registry Number 21866-90-0
Source Synthetic
Storage Conditions -20 ± 5 °C

Bachem product citations

V.Profant et al., Journal of Spectroscopy, 213 (2010)

Product citations

U.Bütikofer et al., Int. Dairy J., 17, 968 (2007)


Enzyme Substrates Inhibitors
Dipeptidyl-Peptidase IV (DPP IV)