Targets & Pathways

Explore small molecules, screening libraries, and tool compounds for discovery research. Browse by target, pathway, or ligand family to quickly find inhibitors, agonists, and chemical probes, with searchable structure/CAS data and supporting documents (SDS/COA where available).

136,943 products

Ready-to-screen compound libraries and focused sets for hit discovery. Browse libraries by target class, pathway, scaffold, or application, and review size, format, and compound information to build screening panels.Customize Your Screening Library to choose compounds, format, and volume, and we’ll prepare a ready-to-use set for you.Customize Your Screening Library

Navigate small molecules by ligand family or scaffold to build focused sets and explore structure–activity relationships. This category groups related chemotypes, helping you select analogs, fragments, and tool molecules for discovery research.

ADC-focused building blocks and tools to support antibody–drug conjugate research. Explore payloads, linkers, conjugation reagents, and related small-molecule components (where available) for designing and evaluating ADC constructs.

PROTAC

2,815

PROTAC and targeted protein degradation tools for discovery research. Browse degrader-related ligands, linkers, and building blocks (where available) to assemble or screen PROTAC designs, with clear identifiers for efficient selection.

Explore pathway-focused tool compounds to study and modulate key signaling cascades. Browse small molecules grouped by signaling pathway to support mechanism studies, phenotypic assays, and target validation, with clear identifiers for fast searching.

Find bioactive small molecules organized by protein target (DTO). Quickly locate tool compounds for specific targets and compare identifiers such as structure, CAS, and synonyms—plus supporting documents —to build screening and validation sets.

Shop small molecules and tool compounds organized by disease area (DOID). Discover chemical probes, libraries, and related products mapped to therapeutic areas to help assemble compound sets for screening, pathway exploration, and model studies.

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  1. Vodobatinib (K0706), Bcr/Abl fusion protein inhibitor
    CAS: 1388803-90-4 PubChem CID: 89884852 Formula: C27H20ClN3O2 Molecular Weight: 453.9
    Liquid 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 #: V580557
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    Technical Identifiers
    IUPAC Name
    2-chloro-6-methyl-N'-[4-methyl-3-(2-quinolin-3-ylethynyl)benzoyl]benzohydrazide
    SMILES
    CC1=C(C(=CC=C1)Cl)C(=O)NNC(=O)C2=CC(=C(C=C2)C)C#CC3=CC4=CC=CC=C4N=C3
    InChIKey
    ZQOBVMHBVWNVBG-UHFFFAOYSA-N
    InChI
    1S/C27H20ClN3O2/c1-17-10-12-22(26(32)30-31-27(33)25-18(2)6-5-8-23(25)28)15-20(17)13-11-19-14-21-7-3-4-9-24(21)29-16-19/h3-10,12,14-16H,1-2H3,(H,30,32)show more
    Synonyms
    4-METHYL-3-QUINOLIN-3-YL-ETHYNYL BENZOIC ACID N'-(2-CHLORO-6-METHYLBENZOYL)HYDRAZIDE | 4-Methyl-3-quinolin-3-ylethyny...
  2. WAY-297344
    CAS: 425666-42-8 Formula: C18H19ClN2O3S Molecular Weight: 378.87
    ● In Stock — US warehouse, ships to EU* Item #: W416780
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    SMILES
    C[S](=O)(=O)N(CC(=O)N1CCC2=C(C1)C=CC=C2)C3=CC=C(Cl)C=C3
    Synonyms
    N-(4-chlorophenyl)-N-[2-(3,4-dihydro-2(1H)-isoquinolinyl)-2-oxoethyl]methanesulfonamide
  3. WAY-112639
    CAS: 1164471-66-2 PubChem CID: 2122745 Formula: C20H18N2O5 Molecular Weight: 366.37
    ● In Stock — US warehouse, ships to EU* Item #: W416729
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    IUPAC Name
    [2-oxo-2-(3-oxo-2,4-dihydroquinoxalin-1-yl)ethyl] (E)-3-(4-methoxyphenyl)prop-2-enoate
    SMILES
    COC1=CC=C(C=C1)C=CC(=O)OCC(=O)N2CC(=O)NC3=CC=CC=C32
    InChIKey
    JUZIBSGTGYEVQP-DHZHZOJOSA-N
    InChI
    1S/C20H18N2O5/c1-26-15-9-6-14(7-10-15)8-11-20(25)27-13-19(24)22-12-18(23)21-16-4-2-3-5-17(16)22/h2-11H,12-13H2,1H3,(H,21,23)/b11-8+
  4. WAY-296734
    CAS: 23509-49-1 PubChem CID: 1565789 Formula: C17H12ClNOS2 Molecular Weight: 345.87
    ● In Stock — US warehouse, ships to EU* Item #: W416776
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    Technical Identifiers
    IUPAC Name
    (5Z)-3-benzyl-5-[(4-chlorophenyl)methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one
    SMILES
    C1=CC=C(C=C1)CN2C(=O)C(=CC3=CC=C(C=C3)Cl)SC2=S
    InChIKey
    SXKLQIXSAPAAII-GDNBJRDFSA-N
    InChI
    1S/C17H12ClNOS2/c18-14-8-6-12(7-9-14)10-15-16(20)19(17(21)22-15)11-13-4-2-1-3-5-13/h1-10H,11H2/b15-10-
    Synonyms
    MFCD00406776 | (5E)-3-Benzyl-5-(4-chlorobenzylidene)-2-thioxo-1,3-thiazolidin-4-one
  5. WAY-299765
    CAS: 106578-02-3 PubChem CID: 389233 Formula: C13H9NO2S Molecular Weight: 243.28
    ● In Stock — US warehouse, ships to EU* Item #: W416801
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    IUPAC Name
    3-(2-methyl-1,3-thiazol-4-yl)chromen-2-one
    SMILES
    CC1=NC(=CS1)C2=CC3=CC=CC=C3OC2=O
    InChIKey
    XVGKZNSQFDIWRA-UHFFFAOYSA-N
    InChI
    1S/C13H9NO2S/c1-8-14-11(7-17-8)10-6-9-4-2-3-5-12(9)16-13(10)15/h2-7H,1H3
    Synonyms
    Oprea1_187857 | Oprea1_286224 | 2H-1-Benzopyran-2-one, 3-(2-methyl-4-thiazolyl)- | DTXSID101248325 | STK012642 | 3-(2...
  6. WAY-299941
    CAS: 344945-14-8 Formula: C14H8BrN3O4S Molecular Weight: 394.2
    ◐ .Made to order · 8–12 wks Item #: W416815
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    SMILES
    [O-][N+](=O)C1=CC=C(C(=C1)Br)C2=CC=C(O2)\C=C3/SC(=N)NC3=O
    Synonyms
    2-Amino-5-((5-(2-bromo-4-nitrophenyl)furan-2-yl)methylene)thiazol-4(5H)-one
  7. WAY-111543
    CAS: 868269-74-3 PubChem CID: 16251260 Formula: C27H32N4OS Molecular Weight: 460.6
    ● In Stock — US warehouse, ships to EU* Item #: W416727
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    IUPAC Name
    2-[4-(1-adamantyl)-1,3-thiazol-2-yl]-3-oxo-4-(4-phenylpiperazin-1-yl)butanenitrile
    SMILES
    C1CN(CCN1CC(=O)C(C#N)C2=NC(=CS2)C34CC5CC(C3)CC(C5)C4)C6=CC=CC=C6
    InChIKey
    YLHKKGKYJYULAN-UHFFFAOYSA-N
    InChI
    1S/C27H32N4OS/c28-16-23(24(32)17-30-6-8-31(9-7-30)22-4-2-1-3-5-22)26-29-25(18-33-26)27-13-19-10-20(14-27)12-21(11-19)15-27/h1-5,18-21,23H,6-15,17H2
  8. WAY-239593
    CAS: 409357-43-3 PubChem CID: 1167278 Formula: C17H28N2O4S Molecular Weight: 356.48
    ● In Stock — US warehouse, ships to EU* Item #: W416758
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    Technical Identifiers
    IUPAC Name
    2-methoxy-4-methyl-N-(2-morpholin-4-ylethyl)-5-propan-2-ylbenzenesulfonamide
    SMILES
    CC1=CC(=C(C=C1C(C)C)S(=O)(=O)NCCN2CCOCC2)OC
    InChIKey
    DUNGHTBUPZADNI-UHFFFAOYSA-N
    InChI
    1S/C17H28N2O4S/c1-13(2)15-12-17(16(22-4)11-14(15)3)24(20,21)18-5-6-19-7-9-23-10-8-19/h11-13,18H,5-10H2,1-4H3
    Synonyms
    5-isopropyl-2-methoxy-4-methyl-N-(2-morpholinoethyl)benzenesulfonamide
  9. 4-(4-Chlorophenyl)-5-(2-furanyl)-2,4-dihydro-3H-1,2,4-triazole-3-thione
    CAS: 60870-39-5 PubChem CID: 767265 Formula: C12H8ClN3OS Molecular Weight: 277.73
    ● In Stock — US warehouse, ships to EU* Item #: W416793
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    Technical Identifiers
    IUPAC Name
    4-(4-chlorophenyl)-3-(furan-2-yl)-1H-1,2,4-triazole-5-thione
    SMILES
    C1=COC(=C1)C2=NNC(=S)N2C3=CC=C(C=C3)Cl
    InChIKey
    XKDMKAVJZNXLMF-UHFFFAOYSA-N
    InChI
    1S/C12H8ClN3OS/c13-8-3-5-9(6-4-8)16-11(14-15-12(16)18)10-2-1-7-17-10/h1-7H,(H,15,18)
    Synonyms
    4-(4-chlorophenyl)-5-furan-2-yl-4H-[1,2,4]triazole-3-thiol | SMR000282015 | DTXSID30354245 | 4-(4-chlorophenyl)-5-(fu...
  10. WAY-296697
    CAS: 299451-75-5 Formula: C26H27NO4 Molecular Weight: 417.5
    ● In Stock — US warehouse, ships to EU* Item #: W416774
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    Technical Identifiers
    SMILES
    CCOC(=O)C1=C(C)NC2=C(C1C3=C(OCC4=CC=CC=C4)C=CC=C3)C(=O)CCC2
    Synonyms
    ethyl4-[2-(benzyloxy)phenyl]-2-methyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate
  11. WAY-299033
    CAS: 331710-55-5 Formula: C20H15FN4O2S Molecular Weight: 394.42
    ● In Stock — US warehouse, ships to EU* Item #: W416792
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    Technical Identifiers
    SMILES
    FC1=CC=C(NC(=O)CSC2=NN=C([N]2C3=CC=CC=C3)C4=CC=CO4)C=C1
    Synonyms
    N-(4-fluorophenyl)-2-[[5-(2-furanyl)-4-phenyl-4H-1,2,4-triazol-3-yl]thio]-Acetamide
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Frequently Asked Questions

What does the By Target/Pathway/Disease listing cover?
It groups compounds associated with targets in By Target/Pathway/Disease, organised so you can move from the pathway to an individual target and then to a specific chemotype. Each entry carries structure, CAS number, and reported activity.
How is By Target/Pathway/Disease organised?
By Target/Pathway/Disease is broken down into Compound Libraries, PROTACs, molecular glues and other degraders and Antibody-drug Conjugates(ADC). Compounds acting on more than one node appear under each relevant target.
How do I choose compounds for By Target/Pathway/Disease research?
For By Target/Pathway/Disease, pick a well-characterised reference compound for the node you want to perturb, and pair it with a structurally unrelated compound hitting the same target — that is the cleanest way to separate pathway effects from off-target ones. Check potency, selectivity, and cell permeability against your assay format. All products are supplied for professional research and development use only, and are not for use in humans, animals, diagnostics, or therapy.
How do I find a specific compound within By Target/Pathway/Disease?
Search By Target/Pathway/Disease by compound name, CAS number, or SMILES, or drill down through the target listing. Unlisted compounds and bulk quantities: [email protected]. We supply verified businesses, research institutions, universities, and government agencies.

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