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
24,635Navigate 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
2,814PROTAC 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
102,621Explore 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
- Phloretin (RJC 02792), Inhibitor of AQP9;Channel blocker of ClC-3;Agonist of TAS2R14;Agonist of TAS2R39;Inhibitor of major facilitator superfamily domain containing 4B;Inhibitor of Sodium-dependent vitamin C transporter 1Moligand™ ? 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● In Stock — US warehouse, ships to EU* Item #: P408181View ProductPricing & Pack Sizes
Technical Identifiers
- Synonyms
- NSC 407292, Dihydronaringenin | 1-Propanone, 3-(4-hydroxyphenyl)-1-(2,4,6-trihydroxyphenyl)-
- Phlorizin, Inhibitor of major facilitator superfamily domain containing 4B;Inhibitor of SGLT6;Inhibitor of SMITMoligand™ ? 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● In Stock — US warehouse, ships to EU* Item #: P408162View ProductPricing & Pack Sizes
Technical Identifiers
- Synonyms
- Phloridzin | 1-Propanone, 1-[2-(β-D-glucopyranosyloxy)-4,6-dihydroxyphenyl]-3-(4-hydroxyphenyl)-
- Phosphoramidon disodium salt10mM in DMSO● In Stock — US warehouse, ships to EU* Item #: P422029View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- show more
- SMILES
- CC1C(C(C(C(O1)OP(=O)(NC(CC(C)C)C(=O)NC(CC2=CNC3=CC=CC=C32)C(=O)[O-])[O-])O)O)O.[Na+].[Na+]
- InChIKey
- OQKHVXFOYFBMDJ-ODIUWQMJSA-L
- InChI
- show more
- Synonyms
- UNII-3F7O684NXF | disodium;(2S)-3-(1H-indol-3-yl)-2-[[(2S)-4-methyl-2-[[oxido-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-me...
- Phosphoric Acid Trinonyl Ester● In Stock — US warehouse, ships to EU* Item #: P342593View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- trinonyl phosphate
- SMILES
- CCCCCCCCCOP(=O)(OCCCCCCCCC)OCCCCCCCCC
- InChIKey
- ZOPCDOGRWDSSDQ-UHFFFAOYSA-N
- InChI
- 1S/C27H57O4P/c1-4-7-10-13-16-19-22-25-29-32(28,30-26-23-20-17-14-11-8-5-2)31-27-24-21-18-15-12-9-6-3/h4-27H2,1-3H3
- Synonyms
- Phosphoric acid, trinonyl ester | ZOPCDOGRWDSSDQ-UHFFFAOYSA-N | Phosphoric acid trinonyl ester | starbld0004305 | SCH...
- Phosphoric Acid Trisdecyl Ester● In Stock — US warehouse, ships to EU* Item #: P342333View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- tris-decyl phosphate
- SMILES
- CCCCCCCCCCOP(=O)(OCCCCCCCCCC)OCCCCCCCCCC
- InChIKey
- KUHPLTBUBAGTDV-UHFFFAOYSA-N
- InChI
- 1S/C30H63O4P/c1-4-7-10-13-16-19-22-25-28-32-35(31,33-29-26-23-20-17-14-11-8-5-2)34-30-27-24-21-18-15-12-9-6-3/h4-30H2,1-3H3
- Synonyms
- DTXSID7063348 | Tridecyl phosphate | SCHEMBL258318 | tris-decyl phosphate | EINECS 224-099-7 | Phosphoric acid, tris(...
- Phrixotoxin-1CAS: 221872-97-5 Formula: C156H240N44O37S7 Molecular Weight: 3549◐ .Made to order · 8–12 wks Item #: P274672View ProductPricing & Pack Sizes
Technical Identifiers
- Synonyms
- YCQKWMWTCDSARKCCEGLVCRLWCKKII(Modifications:Ile-29=C-terminalamide | Disulfidebridges:2-16,9-21and15-25)
- Pigment Red 177Biological Stain ? Biological stain grade — dyes characterized for staining cells and tissues. Use in histology and microscopy where staining consistency matters.● In Stock — Germany Item #: P342018View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 1-amino-4-(4-amino-9,10-dioxoanthracen-1-yl)anthracene-9,10-dione
- SMILES
- C1=CC=C2C(=C1)C(=O)C3=C(C=CC(=C3C2=O)N)C4=C5C(=C(C=C4)N)C(=O)C6=CC=CC=C6C5=O
- InChIKey
- KNMQFBWXSICVQC-UHFFFAOYSA-N
- InChI
- 1S/C28H16N2O4/c29-19-11-9-13(21-23(19)27(33)17-7-3-1-5-15(17)25(21)31)14-10-12-20(30)24-22(14)26(32)16-6-2-4-8-18(16)28(24)34/h1-12H,29-30H2
- Synonyms
- EINECS 223-754-4 | CI 65300 | W-109939 | 4,4'-Diamino-[1,1'-bianthracene]-9,9',10,10'-tetraone | 4,4'-Diamino[1,1'-bi...
- Pigment Red 21● In Stock — Germany Item #: P342021View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 4-[(2-chlorophenyl)diazenyl]-3-hydroxy-N-phenylnaphthalene-2-carboxamide
- SMILES
- C1=CC=C(C=C1)NC(=O)C2=CC3=CC=CC=C3C(=C2O)N=NC4=CC=CC=C4Cl
- InChIKey
- XNANGTRPTFPPPE-UHFFFAOYSA-N
- InChI
- 1S/C23H16ClN3O2/c24-19-12-6-7-13-20(19)26-27-21-17-11-5-4-8-15(17)14-18(22(21)28)23(29)25-16-9-2-1-3-10-16/h1-14,28H,(H,25,29)
- Synonyms
- 2-Naphthalenecarboxamide,4-[(2-chlorophenyl)azo]-3-hydroxy-N-phenyl- | 2-Naphthalenecarboxamide, 4-[(2-chlorophenyl)a...
- Pigment Red 48:4Technical grade ? Technical grade — industrial-quality purity with no tight impurity guarantees. Use for large-scale or non-critical processes where cost matters most.● In Stock — US warehouse, ships to EU* Item #: P342034View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 4-[(5-chloro-4-methyl-2-sulfophenyl)diazenyl]-3-hydroxynaphthalene-2-carboxylic acid
- SMILES
- CC1=CC(=C(C=C1Cl)N=NC2=C(C(=CC3=CC=CC=C32)C(=O)O)O)S(=O)(=O)O
- InChIKey
- LZNMMJSXOXXHFD-UHFFFAOYSA-N
- InChI
- 1S/C18H13ClN2O6S/c1-9-6-15(28(25,26)27)14(8-13(9)19)20-21-16-11-5-3-2-4-10(11)7-12(17(16)22)18(23)24/h2-8,22H,1H3,(H,23,24)(H,25,26,27)
- Synonyms
- 4-((5-chloro-4-methyl-2-sulfophenyl)azo)-3-hydroxy-2-naphthalene-carboxylic acid | SCHEMBL2835094 | Q27283555 | SCHEM...
- Phytic acid dipotassium salt10mM in Water● In Stock — US warehouse, ships to EU* Item #: P421168View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- dipotassium;[(2R,3S,5R,6R)-2,3,4,5,6-pentaphosphonooxycyclohexyl] phosphate
- SMILES
- C1(C(C(C(C(C1OP(=O)(O)O)OP(=O)(O)O)OP(=O)([O-])[O-])OP(=O)(O)O)OP(=O)(O)O)OP(=O)(O)O.[K+].[K+]
- InChIKey
- LFTTXUFEVNNTHA-OKBOCSEJSA-L
- InChI
- show more
- Synonyms
- 129832-03-7|Potassium (1R,2S,3R,4R,5S,6S)-2,3,4,5,6-pentakis(phosphonooxy)cyclohexyl phosphate|Phytic acid dipotassiu...
- PhytolLiquid 10mM in DMSO● In Stock — US warehouse, ships to EU* Item #: P421785View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- (E,7R,11R)-3,7,11,15-tetramethylhexadec-2-en-1-ol
- SMILES
- CC(C)CCCC(C)CCCC(C)CCCC(=CCO)C
- InChIKey
- BOTWFXYSPFMFNR-PYDDKJGSSA-N
- InChI
- 1S/C20H40O/c1-17(2)9-6-10-18(3)11-7-12-19(4)13-8-14-20(5)15-16-21/h15,17-19,21H,6-14,16H2,1-5H3/b20-15+/t18-,19-/m1/s1
- Synonyms
- EINECS 205-776-6 | UNII-MZQ4XE15TP | MFCD00151280 | SCHEMBL22783 | (E,R,R)-PHYTOL | C01389 | P0411 | Phytol | EN300-1...
- Phytolaccagenin● In Stock — US warehouse, ships to EU* Item #: P414367View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- show more
- SMILES
- CC1(CCC2(CCC3(C(=CCC4C3(CCC5C4(CC(C(C5(C)CO)O)O)C)C)C2C1)C)C(=O)O)C(=O)OC
- InChIKey
- CYJWWQALTIKOAG-FLORRLIPSA-N
- InChI
- show more
- Synonyms
- 10,11-dihydroxy-9-(hydroxymethyl)-2-methoxycarbonyl-2,6a,6b,9,12a-pentamethyl-1,3,4,5,6,6a,7,8,8a,10,11,12,13,14b-tet...
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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.