BI-1124 (BI 1124) is a highly potent, selective inhibitor of Cathepsin S (CatS) with IC50 of 7 nM, >40-fold selectivity over Cathepsin L/K/B; BI-1124 had a superior PK profile and showed dose-dependent inhibition of the ovalbumin induced IL-2 secretion in a T cell receptor transgenic DO11 mouse model with an IC50 of 0.3 mg/kg.

GSK 2793660(GSK2793660) is a potent, selective, irreversible and orally bioavailable cathepsin C inhibitor, but not the activity of downstream neutrophil serine proteases, for the treatment of cystic fibrosis, non-cystic fibrosis bronchiectasis, ANCA-associated vasculitis and bronchiectasis..

Cathepsin G Inhibitor I is a potent, selective, reversible, competitive, non-peptide inhibitor of cathepsin G.

Cathepsin K inhibitor 2 is a potent inhibitor of cathepsin K. Cathepsin K, Cat K is a cysteine protease expressed under the control of CTSK gene and closely related to osteoporosis, whose main function is to hydrolyze collagen. Cathepsin K inhibitor 2 has the potential for the research of osteoarthfitis (extracted from patent WO2021147882A1, compound 78).

GSK-2793660 is an orally active and irreversible inhibitor of Cathepsin C (CTSC). GSK-2793660 can be used for the research of bronchiectasis.

Cathepsin L-IN-2 (Z-Phe-Phe-FMK) is a potent and irreversible cathepsin L and cathepsin B inhibitor.

ABP 25 is an activity-based probe for cathepsin K imaging with excellent potency and selectivity.

Cathepsin D and E FRET Substrate acetate is a fluorogenic substrate for cathepsins D and E and not for B, H or L. The cleavage occurs at the Phe-Phe amide bond resul. Cathepsin D and E FRET Substrate is a valuable tool for routine assays and for mechanistic studies on cathepsins E and D.

Cathepsin D and E FRET Substrate is a fluorogenic substrate for cathepsins D and E and not for B, H or L. The cleavage occurs at the Phe-Phe amide bond resul. Cathepsin D and E FRET Substrate is a valuable tool for routine assays and for mechanistic studies on cathepsins E and D.

VBY-825 is a novel, reversible cathepsin inhibitor with high potency against cathepsins B, L, S and V.

Z-LVG-CHN2 is a cell-permeable and irreversible inhibitor of cysteine proteinase. Z-LVG-CHN2 is a tripeptide derivative and mimics part of the human cysteine proteinase-binding center. Z-LVG-CHN2 displays an inhibition on HSV whereas no significant effect on poliovirus replication. Z-LVG-CHN2 effectively blocks SARS-COV-2 replication (EC50=190 nM) via inhibition of SARS-COV-2 3CL pro protease.

SID 26681509 quarterhydrate is a potent, reversible, competitive, and selective of human cathepsin L with an IC50 of 56 nM. SID 26681509 quarterhydrate inhibits in vitro propagation of malaria parasite Plasmodium falciparum and inhibits Leishmania major with IC50s of 15.4 μM and 12.5 μM, respectively. SID 26681509 quarterhydrate shows noy activity against cathepsin G.

Cysteine protease inhibitor-2 is a cysteine protease inhibitor extracted from patent US20070032499A1, compound 12. Cysteine protease inhibitor-2 inhibits the cells growth of DCT116 and PC3 cells with GI50 values of 6.5 μM and 4.4 μM, respectively.

K777 is a potent, orally active and irreversible cysteine protease inhibitor. K777 is also a potent CYP3A4 inhibitor with an IC50 of 60 nM and a selective CCR4 antagonist featuring the potent chemotaxis inhibition. K777 irreversibly inhibits Cruzain, the major cysteine protease of Trypansoma cruzi, and cathepsins B and L. K777 is a broad-spectrum antiviral by targeting cathepsin-mediated cell entry. K777 inhibits SARS-CoV and EBOV pseudovirus entry with IC50 values of 0.68 nM and 0.87 nM, respectively.

JPM-OEt is a broad spectrum cysteine cathepsin inhibitor. JPM-OEt binds covalently in the active site, and irreversibly inhibits the cysteine cathepsin family. Antitumor activity.