Complement System

Complement System Products

  • All (17)
  • Complement System Inhibitors (9)
  • Complement System Antibodies (2)
  • Complement System Antagonists (2)
  • Complement System Agonists (2)
  • New Complement System Products
Catalog No. Product Name Information Product Use Citations Product Validations
S2286 Cyclosporin A Cyclosporin A, a non-polar cyclic oligopeptide, is an immunosuppressive agent that binds to cyclophilin and then inhibits calcineurin with IC50 of 7 nM in a cell-free assay. Cyclosporin A is generally given following transplant surgery to prevent rejection and has been used to test its toxic effect on a perfused 3D proximal tubule model.Cyclosporin A (NSC 290193) can be used to induce animal models of Chronic Rejection of Liver Transplantation.
Signal Transduct Target Ther, 2025, 10(1):81
iScience, 2025, 28(3):112015
EMBO Mol Med, 2024, 16(11):2918-2945
S1322 Dexamethasone Dexamethasone is a potent synthetic member of the glucocorticoid class of steroid drugs, and an interleukin receptor modulator that has anti-inflammatory and immunosuppressant effects. Dexamethasone induces autophagy and mitophagy. Dexamethasone is tested in hospitalized patients with COVID-19 and is found to have benefits for critically ill patients.
Nat Commun, 2025, 16(1):4133
J Biomed Sci, 2025, 32(1):31
Int Immunopharmacol, 2025, 151:114305
S3124 Dexamethasone Acetate Dexamethasone (NSC 39471,Dexamethasone 21-acetate) is a potent synthetic member of the glucocorticoid class of steroid drugs, and an interleukin receptor modulator that has anti-inflammatory and immunosuppressant effects.
Acta Pharm Sin B, 2024, 14(8):3528-3542
STAR Protoc, 2023, 4(2):102342
Exp Mol Med, 2022, 54(9):1450-1460
S4028 Dexamethasone Sodium Phosphate Dexamethasone (Dexamethasone 21-phosphate disodium salt) is a potent synthetic member of the glucocorticoid class of steroid drugs, and an interleukin receptor modulator that has anti-inflammatory and immunosuppressant effects.
Proc Natl Acad Sci U S A, 2025, 122(12):e2426107122
Cancer Cell, 2024, 42(9):1507-1527.e11
Phytomedicine, 2024, 136:156283
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
S8931 SB290157 trifluoroacetate SB290157 trifluoroacetate (SB 290157 TFA) is a potent, competitive and selective antagonist of C3a receptor (C3aR) with IC50 of 200 nM for RBL-C3aR.
CNS Neurosci Ther, 2025, 31(1):e70216
Invest Ophthalmol Vis Sci, 2025, 66(5):2
Cell Death Dis, 2023, 14(4):285
S8522 Compstatin Compstatin binds to complement component C3 and inhibits complement activation with IC50 of 12 μM.
Nat Commun, 2025, 16(1):2493
Proc Natl Acad Sci U S A, 2025, 122(20):e2412447122
CNS Neurosci Ther, 2025, 31(1):e70216
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
Free Radic Biol Med, 2021, S0891-5849(21)00198-2
F1700New Anti-C3 Rabbit mAb C3,C3 / C3b,Complement C3
S3240 Phaseoloidin Phaseoloidin, a homogentisic acid glucoside from Nicotiana attenuata trichomes, contributes to the plant's resistance against lepidopteran herbivores. Phaseoloidin has anti-complement effects.
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
A2847 Lendalizumab (Anti-Complement C5) Lendalizumab (Anti-Complement C5) is a proprietary antibody that targets the complement protein C5a with potential immunomodulating and anti-inflammatory activities. MW : 146.02 KD.
E1048 JR14a JR14a, a selective and potent human Complement C3a receptor antagonist, which is assessed by inhibition of intracellular calcium release (IC50=10 nM) induced in human monocyte-derived macrophages by C3a, inhibition of β-hexosaminidase secretion (IC50=8 nM) from human LAD2 mast cells degranulated by C3a, and selectivity for human C3aR over C5aR.
S0803 Danicopan Danicopan is a potent, selective and orally active inhibitor of factor D with Kd of 0.54 nM for human Factor D. Danicopan inhibits alternative pathway of complement (APC) activity, and has potential to block the alternative pathway of complement in paroxysmal nocturnal hemoglobinuria (PNH) and atypical hemolytic uremic syndrome (aHUS).
F2608New Mannan Binding Lectin/MBL Rabbit mAb Mannan Binding Lectin/MBL,MBL
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.
A2812 Crovalimab (Anti-Complement C5) Crovalimab (Anti-Complement C5) is a humanized recycling monoclonal antibody directed against the complement pathway protein C5, with potential complement pathway inhibitory and immunomodulating activities. MW : 145.28 KD.
S2286 Cyclosporin A Cyclosporin A, a non-polar cyclic oligopeptide, is an immunosuppressive agent that binds to cyclophilin and then inhibits calcineurin with IC50 of 7 nM in a cell-free assay. Cyclosporin A is generally given following transplant surgery to prevent rejection and has been used to test its toxic effect on a perfused 3D proximal tubule model.Cyclosporin A (NSC 290193) can be used to induce animal models of Chronic Rejection of Liver Transplantation.
Signal Transduct Target Ther, 2025, 10(1):81
iScience, 2025, 28(3):112015
EMBO Mol Med, 2024, 16(11):2918-2945
S1322 Dexamethasone Dexamethasone is a potent synthetic member of the glucocorticoid class of steroid drugs, and an interleukin receptor modulator that has anti-inflammatory and immunosuppressant effects. Dexamethasone induces autophagy and mitophagy. Dexamethasone is tested in hospitalized patients with COVID-19 and is found to have benefits for critically ill patients.
Nat Commun, 2025, 16(1):4133
J Biomed Sci, 2025, 32(1):31
Int Immunopharmacol, 2025, 151:114305
S3124 Dexamethasone Acetate Dexamethasone (NSC 39471,Dexamethasone 21-acetate) is a potent synthetic member of the glucocorticoid class of steroid drugs, and an interleukin receptor modulator that has anti-inflammatory and immunosuppressant effects.
Acta Pharm Sin B, 2024, 14(8):3528-3542
STAR Protoc, 2023, 4(2):102342
Exp Mol Med, 2022, 54(9):1450-1460
S4028 Dexamethasone Sodium Phosphate Dexamethasone (Dexamethasone 21-phosphate disodium salt) is a potent synthetic member of the glucocorticoid class of steroid drugs, and an interleukin receptor modulator that has anti-inflammatory and immunosuppressant effects.
Proc Natl Acad Sci U S A, 2025, 122(12):e2426107122
Cancer Cell, 2024, 42(9):1507-1527.e11
Phytomedicine, 2024, 136:156283
S8522 Compstatin Compstatin binds to complement component C3 and inhibits complement activation with IC50 of 12 μM.
Nat Commun, 2025, 16(1):2493
Proc Natl Acad Sci U S A, 2025, 122(20):e2412447122
CNS Neurosci Ther, 2025, 31(1):e70216
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
Free Radic Biol Med, 2021, S0891-5849(21)00198-2
S3240 Phaseoloidin Phaseoloidin, a homogentisic acid glucoside from Nicotiana attenuata trichomes, contributes to the plant's resistance against lepidopteran herbivores. Phaseoloidin has anti-complement effects.
S0803 Danicopan Danicopan is a potent, selective and orally active inhibitor of factor D with Kd of 0.54 nM for human Factor D. Danicopan inhibits alternative pathway of complement (APC) activity, and has potential to block the alternative pathway of complement in paroxysmal nocturnal hemoglobinuria (PNH) and atypical hemolytic uremic syndrome (aHUS).
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.
A2847 Lendalizumab (Anti-Complement C5) Lendalizumab (Anti-Complement C5) is a proprietary antibody that targets the complement protein C5a with potential immunomodulating and anti-inflammatory activities. MW : 146.02 KD.
A2812 Crovalimab (Anti-Complement C5) Crovalimab (Anti-Complement C5) is a humanized recycling monoclonal antibody directed against the complement pathway protein C5, with potential complement pathway inhibitory and immunomodulating activities. MW : 145.28 KD.
S8931 SB290157 trifluoroacetate SB290157 trifluoroacetate (SB 290157 TFA) is a potent, competitive and selective antagonist of C3a receptor (C3aR) with IC50 of 200 nM for RBL-C3aR.
CNS Neurosci Ther, 2025, 31(1):e70216
Invest Ophthalmol Vis Sci, 2025, 66(5):2
Cell Death Dis, 2023, 14(4):285
E1048 JR14a JR14a, a selective and potent human Complement C3a receptor antagonist, which is assessed by inhibition of intracellular calcium release (IC50=10 nM) induced in human monocyte-derived macrophages by C3a, inhibition of β-hexosaminidase secretion (IC50=8 nM) from human LAD2 mast cells degranulated by C3a, and selectivity for human C3aR over C5aR.
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
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
F1700New Anti-C3 Rabbit mAb C3,C3 / C3b,Complement C3
F2608New Mannan Binding Lectin/MBL Rabbit mAb Mannan Binding Lectin/MBL,MBL

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Tags: Complement System inhibitor|Complement System agonist|Complement System activator|Complement System inducer|Complement System antagonist|Complement System signaling pathway|Complement System assay kit