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. K67
    CAS: 2046250-48-8 PubChem CID: 119057445 Formula: C29H30N2O7S2 Molecular Weight: 582.69
    ◐ Made to order · 8–12 wks Item #: K648261
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    Technical Identifiers
    IUPAC Name
    4-ethoxy-N-[4-[(4-ethoxyphenyl)sulfonylamino]-3-(2-oxopropyl)naphthalen-1-yl]benzenesulfonamide
    SMILES
    CCOC1=CC=C(C=C1)S(=O)(=O)NC2=CC(=C(C3=CC=CC=C32)NS(=O)(=O)C4=CC=C(C=C4)OCC)CC(=O)C
    InChIKey
    VUIVGOOWLHGDPZ-UHFFFAOYSA-N
    InChI
    1S/C29H30N2O7S2/c1-4-37-22-10-14-24(15-11-22)39(33,34)30-28-19-21(18-20(3)32)29(27-9-7-6-8-26(27)28)31-40(35,36)25-16-12-23(13-17-25)38-5-2/h6-17,19,3show more
  2. AGN 194310
    CAS: 229961-45-9 PubChem CID: 9867046 Formula: C28H24O2S Molecular Weight: 424.55
    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 #: A648242
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    IUPAC Name
    4-[2-[4-(4-ethylphenyl)-2,2-dimethylthiochromen-6-yl]ethynyl]benzoic acid
    SMILES
    CCC1=CC=C(C=C1)C2=CC(SC3=C2C=C(C=C3)C#CC4=CC=C(C=C4)C(=O)O)(C)C
    InChIKey
    LHUPKWKWYWOMSK-UHFFFAOYSA-N
    InChI
    1S/C28H24O2S/c1-4-19-7-12-22(13-8-19)25-18-28(2,3)31-26-16-11-21(17-24(25)26)6-5-20-9-14-23(15-10-20)27(29)30/h7-18H,4H2,1-3H3,(H,29,30)
  3. CGP77675
    CAS: 234772-64-6 PubChem CID: 5311381 Formula: C26H29N5O2 Molecular Weight: 443.54
    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 #: C648247
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    IUPAC Name
    1-[2-[4-[4-amino-5-(3-methoxyphenyl)pyrrolo[2,3-d]pyrimidin-7-yl]phenyl]ethyl]piperidin-4-ol
    SMILES
    COC1=CC=CC(=C1)C2=CN(C3=NC=NC(=C23)N)C4=CC=C(C=C4)CCN5CCC(CC5)O
    InChIKey
    WUPXZZWTHIZICK-UHFFFAOYSA-N
    InChI
    1S/C26H29N5O2/c1-33-22-4-2-3-19(15-22)23-16-31(26-24(23)25(27)28-17-29-26)20-7-5-18(6-8-20)9-12-30-13-10-21(32)11-14-30/h2-8,15-17,21,32H,9-14H2,1H3,(show more
    Synonyms
    4-Piperidinol, 1-(2-(4-(4-amino-5-(3-methoxyphenyl)-7H-pyrrolo(2,3-d)pyrimidin-7-yl)phenyl)ethyl)-|1-(2-(4-(4-amino-5...
  4. MASM7
    CAS: 920868-45-7 EC Number: 844-446-1 PubChem CID: 16347380 Formula: C22H23N5O2S2 Molecular Weight: 453.58
    Solid Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥97%
    ◐ Made to order · 8–12 wks Item #: M648254
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    Synonyms
    2-(2-((5-Cyclopropyl-4-phenyl-4H-1,2,4-triazol-3-yl)thio)propanamido)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxa...
  5. Glycycoumarin
    CAS: 94805-82-0 PubChem CID: 5317756 Formula: C21H20O6 Molecular Weight: 368.38
    ◐ Made to order · 8–12 wks Item #: G648262
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    IUPAC Name
    3-(2,4-dihydroxyphenyl)-7-hydroxy-5-methoxy-6-(3-methylbut-2-enyl)chromen-2-one
    SMILES
    CC(=CCC1=C(C2=C(C=C1O)OC(=O)C(=C2)C3=C(C=C(C=C3)O)O)OC)C
    InChIKey
    NZYSZZDSYIBYLC-UHFFFAOYSA-N
    InChI
    1S/C21H20O6/c1-11(2)4-6-14-18(24)10-19-16(20(14)26-3)9-15(21(25)27-19)13-7-5-12(22)8-17(13)23/h4-5,7-10,22-24H,6H2,1-3H3
    Synonyms
    2H-1-Benzopyran-2-one,3-(2,4-dihydroxyphenyl)-7-hydroxy-5-methoxy-6-(3-methyl-2-butenyl)-|3-(2,4-Dihydroxyphenyl)-7-h...
  6. PF 1022A
    CAS: 133413-70-4 EC Number: 444-350-6 PubChem CID: 159590 Formula: C52H76N4O12 Molecular Weight: 949.18
    ◐ Made to order · 8–12 wks Item #: P648269
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    IUPAC Name
    (3S,6R,9S,12R,15S,18R,21S,24R)-6,18-dibenzyl-4,10,12,16,22,24-hexamethyl-3,9,15,21-tetrakis(2-methylpropyl)-1,7,13,19-tetraoxa-4,10,16,22-tetrazacycloshow more
    SMILES
    CC1C(=O)N(C(C(=O)OC(C(=O)N(C(C(=O)OC(C(=O)N(C(C(=O)OC(C(=O)N(C(C(=O)O1)CC(C)C)C)CC2=CC=CC=C2)CC(C)C)C)C)CC(C)C)C)CC3=CC=CC=C3)CC(C)C)C
    InChIKey
    YJNUXGPXJFAUQJ-LYWANRAQSA-N
    InChI
    1S/C52H76N4O12/c1-31(2)25-39-49(61)65-35(9)45(57)53(11)42(28-34(7)8)52(64)68-44(30-38-23-19-16-20-24-38)48(60)56(14)40(26-32(3)4)50(62)66-36(10)46(58)show more
    Synonyms
    (3S,6R,9S,12R,15S,18R,21S,24R)-6,18-dibenzyl-4,10,12,16,22,24-hexamethyl-3,9,15,21-tetrakis(2-methylpropyl)-1,7,13,19...
  7. NBDHEX
    CAS: 787634-60-0 PubChem CID: 9817686 Formula: C12H15N3O4S Molecular Weight: 297.33
    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 #: N648287
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    IUPAC Name
    6-[(7-nitro-2,1,3-benzoxadiazol-4-yl)sulfanyl]hexan-1-ol
    SMILES
    C1=C(C2=NON=C2C(=C1)SCCCCCCO)[N+](=O)[O-]
    InChIKey
    RGXYYAZGELLKDA-UHFFFAOYSA-N
    InChI
    1S/C12H15N3O4S/c16-7-3-1-2-4-8-20-10-6-5-9(15(17)18)11-12(10)14-19-13-11/h5-6,16H,1-4,7-8H2
  8. Ibrutinib-d5
    CAS: 1553977-17-5 Formula: C25H19D5N6O2 Molecular Weight: 445.53
    ◐ Made to order · 8–12 wks Item #: I648129
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    IUPAC Name
    1-[(3R)-3-[4-amino-3-[4-(2,3,4,5,6-pentadeuteriophenoxy)phenyl]pyrazolo[3,4-d]pyrimidin-1-yl]piperidin-1-yl]prop-2-en-1-one
    SMILES
    C=CC(=O)N1CCCC(C1)N2C3=NC=NC(=C3C(=N2)C4=CC=C(C=C4)OC5=CC=CC=C5)N
    InChIKey
    XYFPWWZEPKGCCK-OZUAZJOXSA-N
    InChI
    1S/C25H24N6O2/c1-2-21(32)30-14-6-7-18(15-30)31-25-22(24(26)27-16-28-25)23(29-31)17-10-12-20(13-11-17)33-19-8-4-3-5-9-19/h2-5,8-13,16,18H,1,6-7,14-15H2show more
  9. Pz-1
    CAS: 1800505-64-9 PubChem CID: 102004343 Formula: C26H26N6O2 Molecular Weight: 454.52
    Solid Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥99%
    ◐ Made to order · 8–12 wks Item #: P648130
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    IUPAC Name
    N-(5-tert-butyl-1,2-oxazol-3-yl)-2-[4-[5-(1-methylpyrazol-4-yl)benzimidazol-1-yl]phenyl]acetamide
    SMILES
    CC(C)(C)C1=CC(=NO1)NC(=O)CC2=CC=C(C=C2)N3C=NC4=C3C=CC(=C4)C5=CN(N=C5)C
    InChIKey
    NJLMIILZNLZZFW-UHFFFAOYSA-N
    InChI
    1S/C26H26N6O2/c1-26(2,3)23-13-24(30-34-23)29-25(33)11-17-5-8-20(9-6-17)32-16-27-21-12-18(7-10-22(21)32)19-14-28-31(4)15-19/h5-10,12-16H,11H2,1-4H3,(H,show more
    Synonyms
    N-(5-(tert-Butyl)isoxazol-3-yl)-2-(4-(5-(1-methyl-1H-pyrazol-4-yl)-1H-benzo[d]imidazol-1-yl)phenyl)acetamide
  10. JH-VIII-157-02
    CAS: 1639422-97-1 PubChem CID: 127037084 Formula: C28H27N5O2 Molecular Weight: 465.55
    ◐ Made to order · 8–12 wks Item #: J648132
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    IUPAC Name
    2-[4-(3-cyano-9-ethyl-6,6-dimethyl-11-oxo-5H-benzo[b]carbazol-8-yl)pyrazol-1-yl]-N,N-dimethylacetamide
    SMILES
    CCC1=CC2=C(C=C1C3=CN(N=C3)CC(=O)N(C)C)C(C4=C(C2=O)C5=C(N4)C=C(C=C5)C#N)(C)C
    InChIKey
    IDGNCVHQDDOPND-UHFFFAOYSA-N
    InChI
    1S/C28H27N5O2/c1-6-17-10-21-22(11-20(17)18-13-30-33(14-18)15-24(34)32(4)5)28(2,3)27-25(26(21)35)19-8-7-16(12-29)9-23(19)31-27/h7-11,13-14,31H,6,15H2,1show more
  11. Desipramine-d3
    CAS: 65100-49-4 PubChem CID: 45038865 Formula: C18H19D3N2 Molecular Weight: 269.4
    ◐ Made to order · 8–12 wks Item #: D648140
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    IUPAC Name
    3-(5,6-dihydrobenzo[b][1]benzazepin-11-yl)-N-(trideuteriomethyl)propan-1-amine
    SMILES
    CNCCCN1C2=CC=CC=C2CCC3=CC=CC=C31
    InChIKey
    HCYAFALTSJYZDH-FIBGUPNXSA-N
    InChI
    1S/C18H22N2/c1-19-13-6-14-20-17-9-4-2-7-15(17)11-12-16-8-3-5-10-18(16)20/h2-5,7-10,19H,6,11-14H2,1H3/i1D3
    Synonyms
    10,11-Dihydro-N-(methyl-d3)-5H-dibenz[b,f]azepine-5-propanamine|Desipramine-d3|3-(5,6-dihydrobenzo[b][1]benzazepin-11...
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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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