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Availability: In stock

(Tyr⁶⁹,Ala⁷¹·⁷²,Lys⁷⁴)-C3a (69-77)


Product No. Pack Size Available ADS InfoAnalytical Data Sheet List Price Online Order Price Qty
4018154.0005 5 mg Ships within 1 business day ADSExemplary Data Sheet of a current available lot.
CHF 357.00
CHF 332.01 (7%)
4018154.0025 25 mg Ships within 3-5 business days  
CHF 1,429.00
CHF 1,328.97 (7%)


The peptide YAAALKLAR, which has been modeled after the C-terminus of the anaphylatoxin C3a, constitutes a potent inhibitor of C3a activity. The Lys⁷⁴ residue contributes to the separation between deactivation and activation of the C3a receptor.
Catalog Number H-1432
One Letter Code YAAALKLAR
Molecular Formula C₄₅H₇₇N₁₃O₁₁
Relative Molecular Mass 976.19
CAS Registry Number 145702-79-0
Source Synthetic
Storage Conditions -20 ± 5 °C
Keywords C3a antagonist
Areas of Interest Inflammation Research