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).
Targets & Pathways
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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
Ligand families
24,639Navigate 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
2,815PROTAC 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.
By Signaling Pathways
102,615Explore 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.
By Target (DTO)
19,694Find 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.
By Disease (DOID)
8,779Shop 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.
Products
- LCMV gp33-41 TFAFormula: C50H74N11F3015S Molecular Weight: 1158.2410mM in DMSO◐ Made to order · 8–12 wks Item #: L661665View ProductPricing & Pack Sizes
Technical Identifiers
- GPR84 antagonist 1Formula: C26H22N4O2 Molecular Weight: 422.4810mM in DMSO◐ Made to order · 8–12 wks Item #: G661668View ProductPricing & Pack Sizes
Technical Identifiers
- UNC7467Formula: C20H13NO3 Molecular Weight: 315.3210mM in DMSO◐ Made to order · 8–12 wks Item #: U661667View ProductPricing & Pack Sizes
Technical Identifiers
- SMILES
- O=C(C1=CC2=C(ON=C2C=C1)C3=CC=C(C=C3)C4=CC=CC=C4)O
- PEAQX tetrasodium hydrateFormula: C17H15BrN3Na4O6P Molecular Weight: 560.1510mM in Water◐ Made to order · 8–12 wks Item #: P661679View ProductPricing & Pack Sizes
Technical Identifiers
- SMILES
- BrC1=CC=C([C@H](C)NC(P(O[Na])(O[Na])=O)C2=CC=CC3=C2N=C(O[Na])C(O[Na])=N3)C=C1.[H]O[H]
- Nucleoprotein (396-404) (TFA)Formula: C52H72F3N13O16 Molecular Weight: 1192.210mM in DMSO◐ Made to order · 8–12 wks Item #: N661681View ProductPricing & Pack Sizes
Technical Identifiers
- BPR1J-097 HydrochlorideFormula: C27H29ClN6O3S Molecular Weight: 553.0810mM in DMSO◐ Made to order · 8–12 wks Item #: B661686View ProductPricing & Pack Sizes
Technical Identifiers
- NGR peptide TrifluoroacetateFormula: C22H37F3N10O10S2 Molecular Weight: 394.43Liquid 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 Water◐ Made to order · 8–12 wks Item #: N661693View ProductPricing & Pack Sizes
Technical Identifiers
- GW806742X hydrochlorideFormula: C25H23ClF3N7O4S Molecular Weight: 610.0110mM in DMSO◐ Made to order · 8–12 wks Item #: G661694View ProductPricing & Pack Sizes
Technical Identifiers
- MCL-1/BCL-2-IN-1Formula: C31H27BrN2O3S Molecular Weight: 587.5310mM in DMSO◐ Made to order · 8–12 wks Item #: M661704View ProductPricing & Pack Sizes
Technical Identifiers
- Anatabine dicitrateFormula: C22H28N2O14 Molecular Weight: 544.4610mM in DMSO◐ Made to order · 8–12 wks Item #: A661702View ProductPricing & Pack Sizes
Technical Identifiers
- PGlu-3-methyl-His-Pro-NH2 TFAFormula: C19H25F3N6O6 Molecular Weight: 490.4310mM in DMSO◐ Made to order · 8–12 wks Item #: P661697View ProductPricing & Pack Sizes
Technical Identifiers
- SM-164 HydrochlorideFormula: C62H85ClN14O6 Molecular Weight: 1157.8810mM in Water◐ Made to order · 8–12 wks Item #: S661695View ProductPricing & Pack Sizes
Technical Identifiers
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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.