Complement System

Browse by type, application, or key specifications such as purity, grade, packaging, and handling requirements.

135 products

Popular Products

View as List Grid

Showing 13-24 of 135

Set Descending Direction
  1. Avacopan (CCX168), Antagonist of C5a 1 receptor
    CAS: 1346623-17-3 EC Number: 877-511-8 Formula: C33H35F4N3O2 Molecular Weight: 581.64
    Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. 10mM in DMSO
    ● In Stock — US warehouse, ships to EU* Item #: A421311
    View Product
    Pricing & Pack Sizes
    Technical Identifiers
    IUPAC Name
    (2R,3S)-2-[4-(cyclopentylamino)phenyl]-1-(2-fluoro-6-methylbenzoyl)-N-[4-methyl-3-(trifluoromethyl)phenyl]piperidine-3-carboxamide
    SMILES
    CC1=C(C(=CC=C1)F)C(=O)N2CCCC(C2C3=CC=C(C=C3)NC4CCCC4)C(=O)NC5=CC(=C(C=C5)C)C(F)(F)F
    InChIKey
    PUKBOVABABRILL-YZNIXAGQSA-N
    InChI
    1S/C33H35F4N3O2/c1-20-12-15-25(19-27(20)33(35,36)37)39-31(41)26-10-6-18-40(32(42)29-21(2)7-5-11-28(29)34)30(26)22-13-16-24(17-14-22)38-23-8-3-4-9-23/hshow more
    Synonyms
    (2R,3S)-2-[4-(Cyclopentylamino)phenyl]-1-(2-fluoro-6-methylbenzoyl)-N-[4-methyl-3-(trifluoromethyl)phenyl]-3-piperidi...
  2. Compstatin TFA
    CAS: 206645-99-0 Formula: C66H99N23O17S2.xC2HF3O2 Molecular Weight: 1550.77(free basis)
    Solid 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 #: C302746
    View Product
    Pricing & Pack Sizes
    Technical Identifiers
    IUPAC Name
    2-[(4R,7S,10S,13S,19S,22S,25S,28S,31S,34R)-4-[[(2S,3R)-1-amino-3-hydroxy-1-oxobutan-2-yl]carbamoyl]-34-[[(2S,3S)-2-amino-3-methylpentanoyl]amino]-25-(show more
    SMILES
    CCC(C)C(C(=O)NC1CSSCC(NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)CNC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C(NC1=O)C(C)C)C(C)C)CCC(=O)N)CC(=O)O)CC2=CNC3=CC=CC=C32)CC4show more
    InChIKey
    RDTRHBCZFDCUPW-KWICJJCGSA-N
    InChI
    1S/C66H99N23O17S2/c1-8-32(6)50(68)63(104)86-46-27-108-107-26-45(62(103)89-53(33(7)90)54(69)95)85-56(97)39(14-11-17-74-66(70)71)80-59(100)43(20-36-24-7show more
    Synonyms
    2-((4R,7S,10S,13S,19S,22S,25S,28S,31S,34R)-10,13-Bis((1H-imidazol-4-yl)methyl)-19-((1H-indol-3-yl)methyl)-4-(((2S,3R)...
  3. Danicopan (ACH-4471), Complement factor D inhibitor
    CAS: 1903768-17-1 Formula: C26H23BrFN7O3 Molecular Weight: 580.41
    Solid 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 #: D412556
    View Product
    Pricing & Pack Sizes
    Technical Identifiers
    IUPAC Name
    (2S,4R)-1-[2-[3-acetyl-5-(2-methylpyrimidin-5-yl)indazol-1-yl]acetyl]-N-(6-bromopyridin-2-yl)-4-fluoropyrrolidine-2-carboxamide
    SMILES
    CC1=NC=C(C=N1)C2=CC3=C(C=C2)N(N=C3C(=O)C)CC(=O)N4CC(CC4C(=O)NC5=NC(=CC=C5)Br)F
    InChIKey
    PIBARDGJJAGJAJ-NQIIRXRSSA-N
    InChI
    1S/C26H23BrFN7O3/c1-14(36)25-19-8-16(17-10-29-15(2)30-11-17)6-7-20(19)35(33-25)13-24(37)34-12-18(28)9-21(34)26(38)32-23-5-3-4-22(27)31-23/h3-8,10-11,1show more
    Synonyms
    BDBM354268 | JM8C1SFX0U | DANICOPAN [JAN] | 1903768-17-1 | MLS006011963 | Danicopan free base | MS-30411 | (2S,4R)-1-...
  4. EG 00229 trifluoroacetate
    CAS: 1210945-69-9 PubChem CID: 45142253 Formula: C17H19N7O5S3.CF3CO2H Molecular Weight: 611.59
    ● In Stock — US warehouse, ships to EU* Item #: E287676
    View Product
    Pricing & Pack Sizes
    Technical Identifiers
    IUPAC Name
    (2S)-2-[[3-(2,1,3-benzothiadiazol-4-ylsulfonylamino)thiophene-2-carbonyl]amino]-5-(diaminomethylideneamino)pentanoic acid;2,2,2-trifluoroacetic acid
    SMILES
    C1=CC2=NSN=C2C(=C1)S(=O)(=O)NC3=C(SC=C3)C(=O)NC(CCCN=C(N)N)C(=O)O.C(=O)(C(F)(F)F)O
    InChIKey
    ZYQBITUOSRZDTG-MERQFXBCSA-N
    InChI
    1S/C17H19N7O5S3.C2HF3O2/c18-17(19)20-7-2-4-11(16(26)27)21-15(25)14-10(6-8-30-14)24-32(28,29)12-5-1-3-9-13(12)23-31-22-9;3-2(4,5)1(6)7/h1,3,5-6,8,11,24show more
    Synonyms
    N2-[[3-[(2,1,3-Benzothiadiazol-4-ylsulfonyl)amino]-2-thienyl]carbonyl]-L-arginine trifluoroacetate
  5. Leukadherin-1
    CAS: 344897-95-6 Formula: C22H15NO4S2 Molecular Weight: 421.49
    10mM in DMSO
    ● In Stock — US warehouse, ships to EU* Item #: L423514
    View Product
    Pricing & Pack Sizes
    Technical Identifiers
    IUPAC Name
    4-[5-[(Z)-(3-benzyl-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene)methyl]furan-2-yl]benzoic acid
    SMILES
    C1=CC=C(C=C1)CN2C(=O)C(=CC3=CC=C(O3)C4=CC=C(C=C4)C(=O)O)SC2=S
    InChIKey
    AEZGRQSLKVNPCI-UNOMPAQXSA-N
    InChI
    1S/C22H15NO4S2/c24-20-19(29-22(28)23(20)13-14-4-2-1-3-5-14)12-17-10-11-18(27-17)15-6-8-16(9-7-15)21(25)26/h1-12H,13H2,(H,25,26)/b19-12-
    Synonyms
    Leukadherin 1 | SCHEMBL18301010 | HY-15701 | (Z)-4-(5-((3-benzyl-4-oxo-2-thioxothiazolidin-5-ylidene)methyl)furan-2-y...
  6. PMX 53
    CAS: 219639-75-5 PubChem CID: 6918468 Formula: C47H65N11O7 Molecular Weight: 896.1
    Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. 10mM in DMSO
    ◐ .Made to order · 8–12 wks Item #: P422637
    View Product
    Pricing & Pack Sizes
    Technical Identifiers
    IUPAC Name
    (2S)-2-acetamido-N-[(3S,9S,12S,15R,18S)-15-(cyclohexylmethyl)-9-[3-(diaminomethylideneamino)propyl]-12-(1H-indol-3-ylmethyl)-2,8,11,14,17-pentaoxo-1,7show 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
    1S/C47H65N11O7/c1-29(59)53-37(25-30-13-4-2-5-14-30)42(61)55-36-20-11-22-50-41(60)35(19-10-23-51-47(48)49)54-44(63)39(27-32-28-52-34-18-9-8-17-33(32)34show more
  7. Phaseoloidin
    CAS: 118555-82-1 PubChem CID: 14104237 Formula: C14H18O9 Molecular Weight: 330.29
    ● In Stock — US warehouse, ships to EU* Item #: P412861
    View Product
    Pricing & Pack Sizes
    Technical Identifiers
    IUPAC Name
    2-[5-hydroxy-2-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyphenyl]acetic acid
    SMILES
    C1=CC(=C(C=C1O)CC(=O)O)OC2C(C(C(C(O2)CO)O)O)O
    InChIKey
    MVFYXXNAFZRZAM-RGCYKPLRSA-N
    InChI
    1S/C14H18O9/c15-5-9-11(19)12(20)13(21)14(23-9)22-8-2-1-7(16)3-6(8)4-10(17)18/h1-3,9,11-16,19-21H,4-5H2,(H,17,18)/t9-,11-,12+,13-,14-/m1/s1
    Synonyms
    AKOS040758809 | MS-24951 | HY-N7400 | PHASEOLOIDIN | s3240 | [2-(beta-D-Glucopyranosyloxy)-5-hydroxyphenyl]acetic aci...
  8. Phaseoloidin
    CAS: 118555-82-1 PubChem CID: 14104237 Formula: C14H18O9 Molecular Weight: 330.29
    10mM in DMSO
    ● In Stock — US warehouse, ships to EU* Item #: P420816
    View Product
    Pricing & Pack Sizes
    Technical Identifiers
    IUPAC Name
    2-[5-hydroxy-2-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyphenyl]acetic acid
    SMILES
    C1=CC(=C(C=C1O)CC(=O)O)OC2C(C(C(C(O2)CO)O)O)O
    InChIKey
    MVFYXXNAFZRZAM-RGCYKPLRSA-N
    InChI
    1S/C14H18O9/c15-5-9-11(19)12(20)13(21)14(23-9)22-8-2-1-7(16)3-6(8)4-10(17)18/h1-3,9,11-16,19-21H,4-5H2,(H,17,18)/t9-,11-,12+,13-,14-/m1/s1
    Synonyms
    AKOS040758809 | MS-24951 | HY-N7400 | PHASEOLOIDIN | s3240 | [2-(beta-D-Glucopyranosyloxy)-5-hydroxyphenyl]acetic aci...
  9. SB 290157 trifluoroacetate
    CAS: 1140525-25-2 PubChem CID: 16760645 Formula: C24H29F3N4O6 Molecular Weight: 526.51
    ● In Stock — US warehouse, ships to EU* Item #: S287899
    View Product
    Pricing & Pack Sizes
    Technical Identifiers
    IUPAC Name
    (2S)-5-(diaminomethylideneamino)-2-[[2-(2,2-diphenylethoxy)acetyl]amino]pentanoic acid;2,2,2-trifluoroacetic acid
    SMILES
    C1=CC=C(C=C1)C(COCC(=O)NC(CCCN=C(N)N)C(=O)O)C2=CC=CC=C2.C(=O)(C(F)(F)F)O
    InChIKey
    ZJRMPPVJAQWGEG-FYZYNONXSA-N
    InChI
    1S/C22H28N4O4.C2HF3O2/c23-22(24)25-13-7-12-19(21(28)29)26-20(27)15-30-14-18(16-8-3-1-4-9-16)17-10-5-2-6-11-17;3-2(4,5)1(6)7/h1-6,8-11,18-19H,7,12-15H2show more
    Synonyms
    N2-[2-(2,2-Diphenylethoxy)acetyl]-L-arginine trifluoroacetate | N2-[2-(2,2-diphenylethoxy)acetyl]-L-arginine, 2,2,2-t...
  10. SB 290157 trifluoroacetate
    CAS: 1140525-25-2 PubChem CID: 16760645 Formula: C24H29F3N4O6 Molecular Weight: 526.51
    10mM in DMSO
    ● In Stock — US warehouse, ships to EU* Item #: S420706
    View Product
    Pricing & Pack Sizes
    Technical Identifiers
    IUPAC Name
    (2S)-5-(diaminomethylideneamino)-2-[[2-(2,2-diphenylethoxy)acetyl]amino]pentanoic acid;2,2,2-trifluoroacetic acid
    SMILES
    C1=CC=C(C=C1)C(COCC(=O)NC(CCCN=C(N)N)C(=O)O)C2=CC=CC=C2.C(=O)(C(F)(F)F)O
    InChIKey
    ZJRMPPVJAQWGEG-FYZYNONXSA-N
    InChI
    1S/C22H28N4O4.C2HF3O2/c23-22(24)25-13-7-12-19(21(28)29)26-20(27)15-30-14-18(16-8-3-1-4-9-16)17-10-5-2-6-11-17;3-2(4,5)1(6)7/h1-6,8-11,18-19H,7,12-15H2show more
    Synonyms
    N2-[2-(2,2-Diphenylethoxy)acetyl]-L-arginine trifluoroacetate | N2-[2-(2,2-diphenylethoxy)acetyl]-L-arginine, 2,2,2-t...
  11. Lipoteichoic acid from Bacillus subtilis
    CAS: 56411-57-5 Formula: C39H70N2O13 Molecular Weight: 775
    ● In Stock — US warehouse, ships to EU* Item #: L487148
    View Product
    Pricing & Pack Sizes
    Technical Identifiers
    IUPAC Name
    [(2S)-1-[(2S,3R,4S,5R,6R)-4-[(2S,3R,4S,5R,6R)-3-acetamido-5-amino-4-hydroxy-6-methyloxan-2-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3-heptashow more
    SMILES
    CCCCCCCC=CCCCCCC(=O)OC(COC1C(C(C(C(O1)CO)O)OC2C(C(C(C(O2)C)N)O)NC(=O)C)O)COC(=O)CCCCCC
    InChIKey
    PANDRCFROUDETH-YLSOAJEOSA-N
    InChI
    1S/C39H70N2O13/c1-5-7-9-11-12-13-14-15-16-17-18-20-22-31(45)52-28(24-49-30(44)21-19-10-8-6-2)25-50-39-36(48)37(34(46)29(23-42)53-39)54-38-33(41-27(4)4show more
  12. JR14a
    CAS: 2411440-41-8 PubChem CID: 145996525 Formula: C25H26Cl2N4O3S Molecular Weight: 533.47
    ● In Stock — US warehouse, ships to EU* Item #: J573257
    View Product
    Pricing & Pack Sizes
    Technical Identifiers
    IUPAC Name
    (2S)-2-[[5-[bis(4-chlorophenyl)methyl]-3-methylthiophene-2-carbonyl]amino]-5-(diaminomethylideneamino)pentanoic acid
    SMILES
    CC1=C(SC(=C1)C(C2=CC=C(C=C2)Cl)C3=CC=C(C=C3)Cl)C(=O)NC(CCCN=C(N)N)C(=O)O
    InChIKey
    OHRIKWUZKGNQKQ-IBGZPJMESA-N
    InChI
    1S/C25H26Cl2N4O3S/c1-14-13-20(21(15-4-8-17(26)9-5-15)16-6-10-18(27)11-7-16)35-22(14)23(32)31-19(24(33)34)3-2-12-30-25(28)29/h4-11,13,19,21H,2-3,12H2,1show more
Page
per page
🚚
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].

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.