Complement System
Browse by type, application, or key specifications such as purity, grade, packaging, and handling requirements.
135 products
Popular Products
- Sutimlimab (anti-C1s), Antibody of complement C1sCAS: 2049079-64-1Liquid Animal Free ? Animal-free — produced without animal-derived components to reduce contamination risk. Use in biomanufacturing and culture avoiding animal-origin material. Carrier Free ? Carrier-free — supplied without added carrier protein/stabilizer. Use when carriers (e.g. BSA) would interfere with conjugation or sensitive assays. Recombinant ? Recombinant — produced via recombinant expression for defined sequence and consistency. Use for reproducible, animal-free proteins of known origin. Validated ? Validated grade — performance confirmed in defined applications before release. Use when you want documented assurance the reagent works as stated. ExactAb™ ? ExactAb™ — Aladdin's antibody line emphasizing precision and validated quality. Use for reliable, specificity-validated antibody applications. Azide Free ? Azide-free — without sodium azide preservative. Use in conjugations, cell work, or assays where azide is toxic or inhibitory. ≥95%(SDS-PAGE&SEC-HPLC) See COA● In Stock — US warehouse, ships to EU* Item #: Ab170550View ProductPricing & Pack Sizes
Technical Identifiers
- Associated targets
- C1S
- Short Overview
- Purity>95% (SDS-PAGE&SEC); Endotoxin Level<0.01EU/μg; Human IgG4SP; CHO; ELISA, FACS, Functional assay, Animal Model; Unconjugated
- Reactive species
- Human
- Isotype
- Human IgG4SP
- Host species
- Human
- Conjugation
- Unconjugated
- Synonyms
- C1 esterase | Complement component 1 subcomponent s | EC 3.4.21.42
- Iptacopan, Complement factor B inhibitorSolid Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥98%● In Stock — US warehouse, ships to EU* Item #: I611135View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 4-[(2S,4S)-4-ethoxy-1-[(5-methoxy-7-methyl-1H-indol-4-yl)methyl]piperidin-2-yl]benzoic acid
- SMILES
- CCOC1CCN(C(C1)C2=CC=C(C=C2)C(=O)O)CC3=C(C=C(C4=C3C=CN4)C)OC
- InChIKey
- RENRQMCACQEWFC-UGKGYDQZSA-N
- InChI
- show more
- Synonyms
- WHO 11259 | compound 41 [PMID: 32073845] | IPTACOPAN [WHO-DD] | Z56899081 | JGQ | US9682968, Example-26a | HY-127105 ...
- JPE1375, Antagonist of C5a 1 receptorCAS: 1254036-23-1Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools.◐ .US Made to order · 2–4 wks Item #: rp174390View ProductPricing & Pack Sizes
Technical Identifiers
- Synonyms
- JPE 1375
- L-156,602, Antagonist of C5a 1 receptorCAS: 125228-51-5 PubChem CID: 164201Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools.◐ .US Made to order · 2–4 wks Item #: rp174419View ProductPricing & Pack Sizes
Technical Identifiers
- SMILES
- CCC(C)CC1CCC(OC1C)(C(C)(C(=O)NC2C(OC(=O)C(N(C(=O)C3CCCNN3C(=O)CNC(=O)C(N(C(=O)C4CCCNN4C2=O)O)C)O)C)C(C)C)O)O
- Synonyms
- L 156602;PD 124966
- PMX53, Antagonist of C5a 1 receptorMoligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools.◐ .US Made to order · 2–4 wks Item #: rp174793View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- show more
- SMILES
- CC(=O)NC(CC1=CC=CC=C1)C(=O)NC2CCCNC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C3CCCN3C2=O)CC4CCCCC4)CC5=CNC6=CC=CC=C65)CCCN=C(N)N
- InChIKey
- YOKBGCTZYPOSQM-HPSWDUTRSA-N
- InChI
- show more
- Synonyms
- Ac-(cyclo-2,6)-F-[OPdChaWR];PMX 53;PMX-53
- PMX205, Antagonist of C5a 1 receptorCAS: 514814-49-4 EC Number: 851-045-5 PubChem CID: 6918845 Formula: C45H62N10O6 Molecular Weight: 839.05Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools.◐ .US Made to order · 2–4 wks Item #: rp174792View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- show more
- SMILES
- C1CCC(CC1)CC2C(=O)NC(C(=O)NC(C(=O)NCCCC(C(=O)N3CCCC3C(=O)N2)NC(=O)CCC4=CC=CC=C4)CCCN=C(N)N)CC5=CNC6=CC=CC=C65
- InChIKey
- VATFHFJULBPYLM-ILOBPARPSA-N
- InChI
- show more
- Synonyms
- Cyclic hexapeptide complement C5a antagonist | Hydrocinnamate-(orn-Pro-dcha-Trp-Arg) | SCHEMBL12971708 | EX-A5705 | H...
- Avdoralimab (anti-C5AR1), INHIBITOR of C5a anaphylatoxin chemotactic receptor inhibitorCAS: 2226393-85-5Liquid Animal Free ? Animal-free — produced without animal-derived components to reduce contamination risk. Use in biomanufacturing and culture avoiding animal-origin material. Carrier Free ? Carrier-free — supplied without added carrier protein/stabilizer. Use when carriers (e.g. BSA) would interfere with conjugation or sensitive assays. Recombinant ? Recombinant — produced via recombinant expression for defined sequence and consistency. Use for reproducible, animal-free proteins of known origin. Validated ? Validated grade — performance confirmed in defined applications before release. Use when you want documented assurance the reagent works as stated. ExactAb™ ? ExactAb™ — Aladdin's antibody line emphasizing precision and validated quality. Use for reliable, specificity-validated antibody applications. Low Endotoxin ? Low-endotoxin grade — endotoxin reduced to low controlled levels. Use in sensitive biological work where high endotoxin would interfere. Azide Free ? Azide-free — without sodium azide preservative. Use in conjugations, cell work, or assays where azide is toxic or inhibitory. ≥95%(SDS-PAGE&SEC-HPLC) See COA● In Stock — US warehouse, ships to EU* Item #: Ab175459View ProductPricing & Pack Sizes
Technical Identifiers
- Associated targets
- C5AR1
- Short Overview
- Purity>95% (SDS-PAGE&SEC); Endotoxin Level<1.0EU/mg; Human IgG1; CHO; ELISA, FACS, Functional assay, Animal Model; Unconjugated
- Reactive species
- Human
- Isotype
- Human IgG1
- Host species
- Human
- Conjugation
- Unconjugated
- Synonyms
- ANAPHYLATOXIN RECEPTOR antibody | C5a anaphylatoxin chemotactic receptor antibody | C5a anaphylatoxin receptor antibo...
- Lampalizumab (anti-Complement Factor D), Antibody of complement factor DCAS: 1278466-20-8Liquid Animal Free ? Animal-free — produced without animal-derived components to reduce contamination risk. Use in biomanufacturing and culture avoiding animal-origin material. Carrier Free ? Carrier-free — supplied without added carrier protein/stabilizer. Use when carriers (e.g. BSA) would interfere with conjugation or sensitive assays. Recombinant ? Recombinant — produced via recombinant expression for defined sequence and consistency. Use for reproducible, animal-free proteins of known origin. Validated ? Validated grade — performance confirmed in defined applications before release. Use when you want documented assurance the reagent works as stated. ExactAb™ ? ExactAb™ — Aladdin's antibody line emphasizing precision and validated quality. Use for reliable, specificity-validated antibody applications. Low Endotoxin ? Low-endotoxin grade — endotoxin reduced to low controlled levels. Use in sensitive biological work where high endotoxin would interfere. Azide Free ? Azide-free — without sodium azide preservative. Use in conjugations, cell work, or assays where azide is toxic or inhibitory. ≥95%(SDS-PAGE&SEC-HPLC) See COA● In Stock — US warehouse, ships to EU* Item #: Ab175571View ProductPricing & Pack Sizes
Technical Identifiers
- Associated targets
- CFD
- Short Overview
- Purity>95% (SDS-PAGE&SEC); Endotoxin Level<1.0EU/mg; Human IgG1; CHO; ELISA, FACS, Functional assay, Animal Model; Unconjugated
- Reactive species
- Cynomolgus monkey, Human, Rabbit
- Isotype
- Human IgG1
- Host species
- Human
- Conjugation
- Unconjugated
- Synonyms
- Adipsin antibody | Adipsin/complement factor D antibody | Adn antibody | C3 convertase activator antibody | CFAD_HUMA...
- Tesidolumab (anti-Complement C5), BINDING AGENT of Complement C5 binding agentCAS: 1531594-08-7Liquid Animal Free ? Animal-free — produced without animal-derived components to reduce contamination risk. Use in biomanufacturing and culture avoiding animal-origin material. Carrier Free ? Carrier-free — supplied without added carrier protein/stabilizer. Use when carriers (e.g. BSA) would interfere with conjugation or sensitive assays. Recombinant ? Recombinant — produced via recombinant expression for defined sequence and consistency. Use for reproducible, animal-free proteins of known origin. Validated ? Validated grade — performance confirmed in defined applications before release. Use when you want documented assurance the reagent works as stated. ExactAb™ ? ExactAb™ — Aladdin's antibody line emphasizing precision and validated quality. Use for reliable, specificity-validated antibody applications. Low Endotoxin ? Low-endotoxin grade — endotoxin reduced to low controlled levels. Use in sensitive biological work where high endotoxin would interfere. Azide Free ? Azide-free — without sodium azide preservative. Use in conjugations, cell work, or assays where azide is toxic or inhibitory. ≥95%(SDS-PAGE&SEC-HPLC) See COA● In Stock — US warehouse, ships to EU* Item #: Ab176617View ProductPricing & Pack Sizes
Technical Identifiers
- Associated targets
- C5
- Short Overview
- Purity>95% (SDS-PAGE&SEC); Endotoxin Level<1.0EU/mg; Human IgG1; CHO; ELISA, FACS, Functional assay, Animal Model; Unconjugated
- Reactive species
- Human, Mouse
- Isotype
- Human IgG1
- Host species
- Human
- Conjugation
- Unconjugated
- Synonyms
- Anaphylatoxin C5a analog antibody | C3 and PZP-like alpha-2-macroglobulin domain-containing protein 4 antibody | C5 a...
- Ravulizumab (anti-Complement C5), INHIBITOR of Complement C5 inhibitorCAS: 1803171-55-2Liquid Animal Free ? Animal-free — produced without animal-derived components to reduce contamination risk. Use in biomanufacturing and culture avoiding animal-origin material. Carrier Free ? Carrier-free — supplied without added carrier protein/stabilizer. Use when carriers (e.g. BSA) would interfere with conjugation or sensitive assays. Recombinant ? Recombinant — produced via recombinant expression for defined sequence and consistency. Use for reproducible, animal-free proteins of known origin. Validated ? Validated grade — performance confirmed in defined applications before release. Use when you want documented assurance the reagent works as stated. ExactAb™ ? ExactAb™ — Aladdin's antibody line emphasizing precision and validated quality. Use for reliable, specificity-validated antibody applications. Low Endotoxin ? Low-endotoxin grade — endotoxin reduced to low controlled levels. Use in sensitive biological work where high endotoxin would interfere. Azide Free ? Azide-free — without sodium azide preservative. Use in conjugations, cell work, or assays where azide is toxic or inhibitory. ≥95%(SDS-PAGE&SEC-HPLC) See COA● In Stock — US warehouse, ships to EU* Item #: Ab176615View ProductPricing & Pack Sizes
Technical Identifiers
- Associated targets
- C5
- Short Overview
- Purity>95% (SDS-PAGE&SEC); Endotoxin Level<1.0EU/mg; Human IgG2; CHO; ELISA, FACS, Functional assay, Animal Model; Unconjugated
- Reactive species
- Cynomolgus monkey, Human, Mouse, Rhesus monkey
- Isotype
- Human IgG2
- Host species
- Human
- Conjugation
- Unconjugated
- Synonyms
- Anaphylatoxin C5a analog antibody | C3 and PZP-like alpha-2-macroglobulin domain-containing protein 4 antibody | C5 a...
- Eculizumab (anti-Complement C5), INHIBITOR of Complement C5 inhibitorCAS: 219685-50-4Liquid Animal Free ? Animal-free — produced without animal-derived components to reduce contamination risk. Use in biomanufacturing and culture avoiding animal-origin material. Carrier Free ? Carrier-free — supplied without added carrier protein/stabilizer. Use when carriers (e.g. BSA) would interfere with conjugation or sensitive assays. Recombinant ? Recombinant — produced via recombinant expression for defined sequence and consistency. Use for reproducible, animal-free proteins of known origin. Validated ? Validated grade — performance confirmed in defined applications before release. Use when you want documented assurance the reagent works as stated. ExactAb™ ? ExactAb™ — Aladdin's antibody line emphasizing precision and validated quality. Use for reliable, specificity-validated antibody applications. Low Endotoxin ? Low-endotoxin grade — endotoxin reduced to low controlled levels. Use in sensitive biological work where high endotoxin would interfere. Azide Free ? Azide-free — without sodium azide preservative. Use in conjugations, cell work, or assays where azide is toxic or inhibitory. ≥95%(SDS-PAGE&SEC-HPLC) See COA● In Stock — US warehouse, ships to EU* Item #: Ab170870View ProductPricing & Pack Sizes
Technical Identifiers
- Associated targets
- C5
- Short Overview
- Purity>95% (SDS-PAGE&SEC); Endotoxin Level<1.0EU/mg; Human IgG2+Human IgG4; CHO; ELISA, FACS, Functional assay, Animal Model; Unconjugated
- Reactive species
- Human, Mouse
- Isotype
- Human IgG2+Human IgG4
- Host species
- Human
- Conjugation
- Unconjugated
- IUPAC Name
- show more
- SMILES
- CCCCC(C(=O)O)N(C(=O)C(CC1=CN(C2=CC=CC=C21)C(=O)OC)N)C(=O)C(CC(C)(C)C)NC(=O)N3C(CCCC3C)C
- InChIKey
- LNGMSNLRAISCCZ-IITZRFRKSA-N
- InChI
- show more
- Synonyms
- Anaphylatoxin C5a analog antibody | C3 and PZP-like alpha-2-macroglobulin domain-containing protein 4 antibody | C5 a...
- Vemircopan◐ .Made to order · 8–12 wks Item #: V646867View ProductPricing & Pack Sizes
Technical Identifiers
- SMILES
- CC1=C(N=C(C=C1)Br)NC(=O)[C@@H]2C[C@]3(C[C@H]3N2C(=O)CN4C5=C(C=C(C=C5)C6=CN=C(N=C6)C)C(=N4)C(=O)C)C
Fast Shipping Same-day shipping on in-stock items
Technical Details Quality & specification info on every product page
Pack Size Options Multiple packaging sizes with pricing access from listing
R&D Use Only Products supplied for research and development use
Frequently Asked Questions
What can I find under Complement System?
This listing collects compounds associated with Complement System within our Immunology/Inflammation area — inhibitors, agonists or antagonists, and reference tool compounds. Each entry links to its structure, CAS number, and reported activity so you can confirm the annotation before ordering.
What should I consider when picking a compound for Complement System?
Consider the reported potency of each Complement System compound and the assay behind it, selectivity against closely related targets, cell permeability if you are working in cells, and stability in your buffer. Two chemically distinct compounds giving the same phenotype is much stronger evidence than one.
What quality information is provided for Complement System compounds?
Each Complement System product page lists purity, identity data, molecular formula and weight, and storage conditions, with a lot-specific Certificate of Analysis available. Solubility and handling notes are on the datasheet. All products are supplied for professional research and development use only, and are not for use in humans, animals, diagnostics, or therapy.
Can I search Complement System compounds by activity or structure?
Yes. Filter the Complement System listing by mechanism — inhibitor, agonist, antagonist — and search by target name or gene symbol, CAS number, molecular formula, or SMILES to reach exact structures and close analogs. For bulk quantities or items not listed, contact [email protected].