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. 2-{2-[3-(4-methoxyphenyl)-4-oxo-3,4-dihydroquinazolin-2-yl]ethyl}-1H-isoindole-1,3(2H)-dione
    Formula: C25H19N3O4 Molecular Weight: 425.4
    ◐ Made to order · 8–12 wks Item #: M668628
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    Technical Identifiers
    IUPAC Name
    2-[2-[3-(4-methoxyphenyl)-4-oxoquinazolin-2-yl]ethyl]isoindole-1,3-dione
    SMILES
    COC1=CC=C(C=C1)N2C(=NC3=CC=CC=C3C2=O)CCN4C(=O)C5=CC=CC=C5C4=O
    InChIKey
    ZIRMIZXHXVTMLL-UHFFFAOYSA-N
    InChI
    1S/C25H19N3O4/c1-32-17-12-10-16(11-13-17)28-22(26-21-9-5-4-8-20(21)25(28)31)14-15-27-23(29)18-6-2-3-7-19(18)24(27)30/h2-13H,14-15H2,1H3
    Synonyms
    2-{2-[3-(4-methoxyphenyl)-4-oxo-3,4-dihydroquinazolin-2-yl]ethyl}-1H-isoindole-1,3(2H)-dione|BIM-0043546.P001|IYS
  2. 2-piperazin-1-yl-1H-benzoimidazole
    CAS: 57260-68-1 PubChem CID: 2737193 Formula: C11H14N4 Molecular Weight: 202.26
    ◐ Made to order · 8–12 wks Item #: P668708
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    IUPAC Name
    2-piperazin-1-yl-1H-benzimidazole
    SMILES
    C1CN(CCN1)C2=NC3=CC=CC=C3N2
    InChIKey
    NZXGDKLTTHIYTB-UHFFFAOYSA-N
    InChI
    1S/C11H14N4/c1-2-4-10-9(3-1)13-11(14-10)15-7-5-12-6-8-15/h1-4,12H,5-8H2,(H,13,14)
    Synonyms
    2-piperazin-1-yl-1H-benzoimidazole|2-(PIPERAZIN-1-YL)-1H-BENZO[D]IMIDAZOLE|2-(1-PIPERAZINO)-BENZIMIDAZOLE|2-piperazin...
  3. 2-phenyl-N-(4-sulfamoylphenyl)acetamide
    CAS: 331274-56-7 Formula: C14H14N2O3S Molecular Weight: 290.34
    ◐ Made to order · 8–12 wks Item #: P668457
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    Technical Identifiers
    IUPAC Name
    2-phenyl-N-(4-sulfamoylphenyl)acetamide
    SMILES
    C1=CC=C(C=C1)CC(=O)NC2=CC=C(C=C2)S(=O)(=O)N
    InChIKey
    JWDLYKTZCRIGNW-UHFFFAOYSA-N
    InChI
    1S/C14H14N2O3S/c15-20(18,19)13-8-6-12(7-9-13)16-14(17)10-11-4-2-1-3-5-11/h1-9H,10H2,(H,16,17)(H2,15,18,19)
    Synonyms
    2-phenyl-N-(4-sulfamoylphenyl)acetamide|N-[4-(aminosulfonyl)phenyl]-2-phenylacetamide|4-(2-Phenylacetamido)benzenesul...
  4. 2-phenyl-N-(4-sulfamoylbenzyl)acetamide
    CAS: 41352-39-0 PubChem CID: 4119643 Formula: C15H16N2O3S Molecular Weight: 304.4
    ◐ Made to order · 8–12 wks Item #: P668858
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    Technical Identifiers
    IUPAC Name
    2-phenyl-N-[(4-sulfamoylphenyl)methyl]acetamide
    SMILES
    C1=CC=C(C=C1)CC(=O)NCC2=CC=C(C=C2)S(=O)(=O)N
    InChIKey
    FTDLZZRRCJRQAA-UHFFFAOYSA-N
    InChI
    1S/C15H16N2O3S/c16-21(19,20)14-8-6-13(7-9-14)11-17-15(18)10-12-4-2-1-3-5-12/h1-9H,10-11H2,(H,17,18)(H2,16,19,20)
    Synonyms
    2-phenyl-N-(4-sulfamoylbenzyl)acetamide|2-phenyl-N-[(4-sulfamoylphenyl)methyl]acetamide|4-(2-Phenylacetamidomethyl)be...
  5. 2-phenyl-N-(2-pyrrolidin-1-ylphenyl)acetamide
    CAS: 531548-34-2 Formula: C18H20N2O Molecular Weight: 280.4
    ◐ Made to order · 8–12 wks Item #: P668564
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    Technical Identifiers
    IUPAC Name
    2-phenyl-N-(2-pyrrolidin-1-ylphenyl)acetamide
    SMILES
    C1CCN(C1)C2=CC=CC=C2NC(=O)CC3=CC=CC=C3
    InChIKey
    LVPBIJNAMHEKDK-UHFFFAOYSA-N
    InChI
    1S/C18H20N2O/c21-18(14-15-8-2-1-3-9-15)19-16-10-4-5-11-17(16)20-12-6-7-13-20/h1-5,8-11H,6-7,12-14H2,(H,19,21)
    Synonyms
    2-phenyl-N-(2-pyrrolidin-1-ylphenyl)acetamide|2-phenyl-N-[2-(pyrrolidin-1-yl)phenyl]acetamide|2-phenyl-N-[2-(1-pyrrol...
  6. 3,5-Dichloro-2-hydroxybenzenesulfonamide
    CAS: 35337-99-6 PubChem CID: 294719 Formula: C6H5Cl2NO3S Molecular Weight: 242.08
    ◐ Made to order · 8–12 wks Item #: D668229
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    Technical Identifiers
    IUPAC Name
    3,5-dichloro-2-hydroxybenzenesulfonamide
    SMILES
    C1=C(C=C(C(=C1S(=O)(=O)N)O)Cl)Cl
    InChIKey
    ZJLNEJARVJZSHY-UHFFFAOYSA-N
    InChI
    1S/C6H5Cl2NO3S/c7-3-1-4(8)6(10)5(2-3)13(9,11)12/h1-2,10H,(H2,9,11,12)
    Synonyms
    3,5-dichloro-2-hydroxybenzenesulfonamide|3,5-dichloro-2-hydroxy-benzenesulfonamide|2-hydroxy-3,5-dichlorobenzenesulfo...
  7. 3,4-Dihydro-2H-benzo[e][1,3]oxazine
    CAS: 66955-51-9 PubChem CID: 21886866 Formula: C8H9NO Molecular Weight: 135.16
    ◐ Made to order · 8–12 wks Item #: D669220
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    Technical Identifiers
    IUPAC Name
    3,4-dihydro-2H-1,3-benzoxazine
    SMILES
    C1C2=CC=CC=C2OCN1
    InChIKey
    WTAVYBAEMMFITK-UHFFFAOYSA-N
    InChI
    1S/C8H9NO/c1-2-4-8-7(3-1)5-9-6-10-8/h1-4,9H,5-6H2
    Synonyms
    3,4-Dihydro-2H-benzo[e][1,3]oxazine|3,4-dihydro-2H-1,3-benzoxazine
  8. 3,4-Dihydro-3-(4-methoxyphenyl)-2H-1-benzopyran-6,7-diol
    CAS: 76397-87-0 Formula: C16H16O4 Molecular Weight: 272.29
    ◐ Made to order · 8–12 wks Item #: D668090
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    IUPAC Name
    3-(4-methoxyphenyl)-3,4-dihydro-2H-chromene-6,7-diol
    SMILES
    COC1=CC=C(C=C1)C2CC3=CC(=C(C=C3OC2)O)O
    InChIKey
    HEMAEFVLALEJDS-UHFFFAOYSA-N
    InChI
    1S/C16H16O4/c1-19-13-4-2-10(3-5-13)12-6-11-7-14(17)15(18)8-16(11)20-9-12/h2-5,7-8,12,17-18H,6,9H2,1H3
    Synonyms
    3,4-Dihydro-3-(4-methoxyphenyl)-2H-1-benzopyran-6,7-diol|2H-1-Benzopyran-6,7-diol,3,4-dihydro-3-(4-methoxyphenyl)-|3-...
  9. 3,3-Diphenyl-N-dimethylpropylamine
    CAS: 4646-55-3 Formula: C17H21N Molecular Weight: 239.35
    ◐ Made to order · 8–12 wks Item #: D668082
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    IUPAC Name
    N,N-dimethyl-3,3-diphenylpropan-1-amine
    SMILES
    CN(C)CCC(C1=CC=CC=C1)C2=CC=CC=C2
    InChIKey
    YHDCGYWZEFIUHE-UHFFFAOYSA-N
    InChI
    1S/C17H21N/c1-18(2)14-13-17(15-9-5-3-6-10-15)16-11-7-4-8-12-16/h3-12,17H,13-14H2,1-2H3
    Synonyms
    3,3-Diphenyl-N-dimethylpropylamine|N,N-Dimethyl-3,3-diphenylpropan-1-amine|Benzenepropanamine, N,N-dimethyl-gamma-phe...
  10. 3,4-Divanillyltetrahydrofuran
    CAS: 34730-78-4 Formula: C20H24O5 Molecular Weight: 344.40
    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%
    ◐ Made to order · 8–12 wks Item #: D668121
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    IUPAC Name
    4-[[4-[(4-hydroxy-3-methoxyphenyl)methyl]oxolan-3-yl]methyl]-2-methoxyphenol
    SMILES
    COC1=C(C=CC(=C1)CC2COCC2CC3=CC(=C(C=C3)O)OC)O
    InChIKey
    ROGUIJKVZZROIQ-UHFFFAOYSA-N
    InChI
    1S/C20H24O5/c1-23-19-9-13(3-5-17(19)21)7-15-11-25-12-16(15)8-14-4-6-18(22)20(10-14)24-2/h3-6,9-10,15-16,21-22H,7-8,11-12H2,1-2H3
    Synonyms
    3,4-divanillyltetrahydrofuran|4-[[4-[(4-hydroxy-3-methoxyphenyl)methyl]oxolan-3-yl]methyl]-2-methoxyphenol|SCUTELLARE...
  11. 3,4-Dihydroxy-N-methyl-N-nitrosoaniline
    CAS: 173043-84-0 PubChem CID: 1607 Formula: C7H8N2O3 Molecular Weight: 168.15
    ◐ Made to order · 8–12 wks Item #: D667774
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    Technical Identifiers
    IUPAC Name
    N-(3,4-dihydroxyphenyl)-N-methylnitrous amide
    SMILES
    CN(C1=CC(=C(C=C1)O)O)N=O
    InChIKey
    XAKAQCMEMMZUEO-UHFFFAOYSA-N
    InChI
    1S/C7H8N2O3/c1-9(8-12)5-2-3-6(10)7(11)4-5/h2-4,10-11H,1H3
    Synonyms
    3,4-dephostatin|Me-3,4-dephostatin|Methyl-3,4-dephostatin|3,4-Dihydroxy-N-methyl-N-nitrosoaniline|4-[methyl(Nitroso)a...
  12. 3,3-Bis(4-hydroxyphenyl)pentane
    CAS: 3600-64-4 PubChem CID: 2288503 Formula: C17H20O2 Molecular Weight: 256.339
    ◐ Made to order · 8–12 wks Item #: B668688
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    Technical Identifiers
    IUPAC Name
    4-[3-(4-hydroxyphenyl)pentan-3-yl]phenol
    SMILES
    CCC(CC)(C1=CC=C(C=C1)O)C2=CC=C(C=C2)O
    InChIKey
    RKSBPFMNOJWYSB-UHFFFAOYSA-N
    InChI
    1S/C17H20O2/c1-3-17(4-2,13-5-9-15(18)10-6-13)14-7-11-16(19)12-8-14/h5-12,18-19H,3-4H2,1-2H3
    Synonyms
    3,3-Bis(4-hydroxyphenyl)pentane|4-[3-(4-hydroxyphenyl)pentan-3-yl]phenol|Phenol, 4,4'-(1-ethylpropylidene)bis-|3-bis(...
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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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