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. N-(4-methyl-2-oxo-2H-chromen-7-yl)acetamide
    CAS: 66611-72-1 Formula: C12H11NO3 Molecular Weight: 217.22
    ◐ Made to order · 8–12 wks Item #: N668578
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    Technical Identifiers
    IUPAC Name
    N-(4-methyl-2-oxochromen-7-yl)acetamide
    SMILES
    CC1=CC(=O)OC2=C1C=CC(=C2)NC(=O)C
    InChIKey
    AOVJSWHKUGNIDY-UHFFFAOYSA-N
    InChI
    1S/C12H11NO3/c1-7-5-12(15)16-11-6-9(13-8(2)14)3-4-10(7)11/h3-6H,1-2H3,(H,13,14)
    Synonyms
    N-(4-methyl-2-oxo-2H-chromen-7-yl)acetamide|N-(4-methyl-2-oxochromen-7-yl)acetamide|NA-7|7-(Acetyl)amino-4-methylcoum...
  2. N-(4-hydroxyphenyl)-2,4,6-trimethylbenzenesulfonamide
    Formula: C15H17NO3S Molecular Weight: 291.4
    ◐ Made to order · 8–12 wks Item #: N668490
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    Technical Identifiers
    IUPAC Name
    N-(4-hydroxyphenyl)-2,4,6-trimethylbenzenesulfonamide
    SMILES
    CC1=CC(=C(C(=C1)C)S(=O)(=O)NC2=CC=C(C=C2)O)C
    InChIKey
    CXFFIBYHIRNNLG-UHFFFAOYSA-N
    InChI
    1S/C15H17NO3S/c1-10-8-11(2)15(12(3)9-10)20(18,19)16-13-4-6-14(17)7-5-13/h4-9,16-17H,1-3H3
    Synonyms
    N-(4-hydroxyphenyl)-2,4,6-trimethylbenzenesulfonamide|benzenesulfonamide, N-(4-hydroxyphenyl)-2,4,6-trimethyl-
  3. N-(4-methoxyphenyl)-2-pyridin-4-ylquinazolin-4-amine
    Formula: C20H16N4O Molecular Weight: 328.4
    ◐ Made to order · 8–12 wks Item #: N668560
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    Technical Identifiers
    IUPAC Name
    N-(4-methoxyphenyl)-2-pyridin-4-ylquinazolin-4-amine
    SMILES
    COC1=CC=C(C=C1)NC2=NC(=NC3=CC=CC=C32)C4=CC=NC=C4
    InChIKey
    UTHOAQNMUUCAAM-UHFFFAOYSA-N
    InChI
    1S/C20H16N4O/c1-25-16-8-6-15(7-9-16)22-20-17-4-2-3-5-18(17)23-19(24-20)14-10-12-21-13-11-14/h2-13H,1H3,(H,22,23,24)
    Synonyms
    N-(4-methoxyphenyl)-2-pyridin-4-ylquinazolin-4-amine|N-(4-methoxyphenyl)-2-(pyridin-4-yl)quinazolin-4-amine|N-(4-meth...
  4. N-(4-methoxyphenyl)-5-(phenoxymethyl)furan-2-carboxamide
    Formula: C19H17NO4 Molecular Weight: 323.3
    ◐ Made to order · 8–12 wks Item #: N668675
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    Technical Identifiers
    IUPAC Name
    N-(4-methoxyphenyl)-5-(phenoxymethyl)furan-2-carboxamide
    SMILES
    COC1=CC=C(C=C1)NC(=O)C2=CC=C(O2)COC3=CC=CC=C3
    InChIKey
    VSUUINVWYMYQJO-UHFFFAOYSA-N
    InChI
    1S/C19H17NO4/c1-22-15-9-7-14(8-10-15)20-19(21)18-12-11-17(24-18)13-23-16-5-3-2-4-6-16/h2-12H,13H2,1H3,(H,20,21)
    Synonyms
    N-(4-methoxyphenyl)-5-(phenoxymethyl)furan-2-carboxamide|N-(4-methoxyphenyl)-5-(phenoxymethyl)-2-furancarboxamide|5-P...
  5. N-(4-hydroxyphenyl)-4-[(5Z)-5-[(4-methoxyphenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]butanamide
    CAS: 303792-75-8 PubChem CID: 1356907 Formula: C21H20N2O4S2 Molecular Weight: 428.5
    ◐ Made to order · 8–12 wks Item #: N668625
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    Technical Identifiers
    IUPAC Name
    N-(4-hydroxyphenyl)-4-[(5Z)-5-[(4-methoxyphenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]butanamide
    SMILES
    COC1=CC=C(C=C1)C=C2C(=O)N(C(=S)S2)CCCC(=O)NC3=CC=C(C=C3)O
    InChIKey
    OERXBCCROVVZJG-AQTBWJFISA-N
    InChI
    1S/C21H20N2O4S2/c1-27-17-10-4-14(5-11-17)13-18-20(26)23(21(28)29-18)12-2-3-19(25)22-15-6-8-16(24)9-7-15/h4-11,13,24H,2-3,12H2,1H3,(H,22,25)/b18-13-
    Synonyms
    N-(4-hydroxyphenyl)-4-[(5Z)-5-[(4-methoxyphenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]butanamide|(Z...
  6. N-(4-sulfamoylphenyl)adamantane-1-carboxamide
    CAS: 24224-96-2 Formula: C17H22N2O3S Molecular Weight: 334.4
    ◐ Made to order · 8–12 wks Item #: N668843
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    Technical Identifiers
    IUPAC Name
    N-(4-sulfamoylphenyl)adamantane-1-carboxamide
    SMILES
    C1C2CC3CC1CC(C2)(C3)C(=O)NC4=CC=C(C=C4)S(=O)(=O)N
    InChIKey
    NKVYMPGWVALANJ-UHFFFAOYSA-N
    InChI
    1S/C17H22N2O3S/c18-23(21,22)15-3-1-14(2-4-15)19-16(20)17-8-11-5-12(9-17)7-13(6-11)10-17/h1-4,11-13H,5-10H2,(H,19,20)(H2,18,21,22)
    Synonyms
    N-(4-sulfamoylphenyl)adamantane-1-carboxamide|Tricyclo[3.3.1.13,7]decane-1-carboxamide, N-[4-(aminosulfonyl)phenyl]-|...
  7. N-(4-phenyl-1,3-thiazol-2-yl)pyridine-4-carboxamide
    CAS: 5245-66-9 Formula: C15H11N3OS Molecular Weight: 281.3
    ◐ Made to order · 8–12 wks Item #: N668518
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    Technical Identifiers
    IUPAC Name
    N-(4-phenyl-1,3-thiazol-2-yl)pyridine-4-carboxamide
    SMILES
    C1=CC=C(C=C1)C2=CSC(=N2)NC(=O)C3=CC=NC=C3
    InChIKey
    PUUUVNHZQJNJSV-UHFFFAOYSA-N
    InChI
    1S/C15H11N3OS/c19-14(12-6-8-16-9-7-12)18-15-17-13(10-20-15)11-4-2-1-3-5-11/h1-10H,(H,17,18,19)
    Synonyms
    N-(4-phenyl-1,3-thiazol-2-yl)pyridine-4-carboxamide|N-(4-Phenylthiazol-2-yl)isonicotinamide|Cambridge id 5245669|BIM-...
  8. N-(4-oxo-4,5-dihydrothiazol-2-yl)acetamide
    CAS: 37641-15-9 PubChem CID: 539709 Formula: C5H6N2O2S Molecular Weight: 158.18
    ◐ Made to order · 8–12 wks Item #: N668306
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    Technical Identifiers
    IUPAC Name
    N-(4-oxo-1,3-thiazol-2-yl)acetamide
    SMILES
    CC(=O)NC1=NC(=O)CS1
    InChIKey
    IWZDYCXOHDYRHO-UHFFFAOYSA-N
    InChI
    1S/C5H6N2O2S/c1-3(8)6-5-7-4(9)2-10-5/h2H2,1H3,(H,6,7,8,9)
    Synonyms
    N-(4-oxo-4,5-dihydrothiazol-2-yl)acetamide|N-(4-oxo-1,3-thiazol-2-yl)acetamide|N-[(2E)-4-oxo-1,3-thiazolidin-2-yliden...
  9. N-(4-sulfamoylphenyl)-2-(thiophen-2-yl)acetamide
    CAS: 349432-97-9 Formula: C12H12N2O3S2 Molecular Weight: 296.4
    ◐ Made to order · 8–12 wks Item #: N668381
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    Technical Identifiers
    IUPAC Name
    N-(4-sulfamoylphenyl)-2-thiophen-2-ylacetamide
    SMILES
    C1=CSC(=C1)CC(=O)NC2=CC=C(C=C2)S(=O)(=O)N
    InChIKey
    ZQWXOBLMDBJRLY-UHFFFAOYSA-N
    InChI
    1S/C12H12N2O3S2/c13-19(16,17)11-5-3-9(4-6-11)14-12(15)8-10-2-1-7-18-10/h1-7H,8H2,(H,14,15)(H2,13,16,17)
    Synonyms
    N-(4-sulfamoylphenyl)-2-(thiophen-2-yl)acetamide|sulfonamide deriv., 5a|Cambridge id 6617099|N-(4-Sulfamoyl-phenyl)-2...
  10. N-(4-sulfamoylphenyl)benzamide
    CAS: 4389-07-5 Formula: C13H12N2O3S Molecular Weight: 276.31
    ◐ Made to order · 8–12 wks Item #: N668444
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    Technical Identifiers
    IUPAC Name
    N-(4-sulfamoylphenyl)benzamide
    SMILES
    C1=CC=C(C=C1)C(=O)NC2=CC=C(C=C2)S(=O)(=O)N
    InChIKey
    VGYAUYNBRQPION-UHFFFAOYSA-N
    InChI
    1S/C13H12N2O3S/c14-19(17,18)12-8-6-11(7-9-12)15-13(16)10-4-2-1-3-5-10/h1-9H,(H,15,16)(H2,14,17,18)
    Synonyms
    N-(4-sulfamoylphenyl)benzamide|N-(4-Sulfamoyl-phenyl)-benzamide|Cambridge id 5227171|4-Benzoylamino-benzenesulfonamid...
  11. N-(4-sulfamoylphenyl)propanamide
    CAS: 4708-37-6 PubChem CID: 847760 Formula: C9H12N2O3S Molecular Weight: 228.27
    ◐ Made to order · 8–12 wks Item #: N668549
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    Technical Identifiers
    IUPAC Name
    N-(4-sulfamoylphenyl)propanamide
    SMILES
    CCC(=O)NC1=CC=C(C=C1)S(=O)(=O)N
    InChIKey
    KEFCIQSZJXXOLO-UHFFFAOYSA-N
    InChI
    1S/C9H12N2O3S/c1-2-9(12)11-7-3-5-8(6-4-7)15(10,13)14/h3-6H,2H2,1H3,(H,11,12)(H2,10,13,14)
    Synonyms
    N-(4-sulfamoylphenyl)propanamide|N-[4-(aminosulfonyl)phenyl]propanamide|WGY|N-(4-Sulfamoyl-phenyl)-propionamide|4-Pro...
  12. N-(4-sulfamoylphenyl)hexanamide
    CAS: 4568-62-1 PubChem CID: 245904 Formula: C12H18N2O3S Molecular Weight: 270.35
    ◐ Made to order · 8–12 wks Item #: N668191
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    Technical Identifiers
    IUPAC Name
    N-(4-sulfamoylphenyl)hexanamide
    SMILES
    CCCCCC(=O)NC1=CC=C(C=C1)S(=O)(=O)N
    InChIKey
    YSXLMBQOWQEROH-UHFFFAOYSA-N
    InChI
    1S/C12H18N2O3S/c1-2-3-4-5-12(15)14-10-6-8-11(9-7-10)18(13,16)17/h6-9H,2-5H2,1H3,(H,14,15)(H2,13,16,17)
    Synonyms
    N-(4-sulfamoylphenyl)hexanamide|aromatic sulfonamide compound 15
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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.
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