Complement System Inhibitors

Cat.No. Product Name Information Product Use Citations Product Validations
S8306 Leukadherin-1 Leukadherin-1 (LA1) is a small molecule agonist that enhances CD11b/CD18-dependent cell adhesion to its ligand ICAM-1 (an agonist for the complement receptor 3 (CD11b/CD18)).
International Immunopharmacology, 2023, Volume 118
Int Immunopharmacol, 2023, 118:110024
Front Immunol, 2022, 13:919444
S3612 Rosmarinic acid Rosmarinic acid (RA, Rosemary acid) is a naturally occurring hydroxylated compound. It has the ability to block complement fixation, inhibit lipoxygenase and cyclooxygenase activity and inhibit the expression of CCL11 and CCR3 by suppressing the IKK-β activity in NF-κB activation signaling.
Theranostics, 2025, 15(6):2523-2543
World J Clin Oncol, 2025, 16(5):105341
Free Radic Biol Med, 2021, S0891-5849(21)00198-2
S0525 ADH-503 (GB1275) ADH-503 (GB1275, (Z)-Leukadherin-1 choline) is the salt form of leukadherin-1 and acts as a potent allosteric agonist of CD11b.
Front Immunol, 2025, 16:1420325
E0119 LNP023 (Iptacopan) Hydrochloride Iptacopan (LNP023) Hydrochloride is a first-in-class, orally administered, potent and highly selective factor B inhibitor with an IC50 of 12 nM and a Kd value of 7.9 nM. Iptacopan exhibits excellent selectivity over other proteases affording IC50s of >30 μM across a panel of 41 human proteases.
S9138 Picfeltarraenin IA Picfeltarraenin IA is an AChE inhibitior, and an potential PI3K and EGFR inhibitor. It also acts as an inhibitor on both the classical and alternative pathways of the complement system.