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
- Sirtinol10mM in DMSO● In Stock — US warehouse, ships to EU* Item #: S408243View ProductPricing & Pack Sizes
Technical Identifiers
- Synonyms
- (E)-2-((2-hydroxynaphthalen-1-yl)methyleneamino)-N-(1-phenylethyl)benzamide
- Sitafloxacin Hydrate, Topoisomerase IV inhibitor2mM in DMSO● In Stock — US warehouse, ships to EU* Item #: S409178View ProductPricing & Pack Sizes
Technical Identifiers
- Synonyms
- DU-6859a | 3-Quinolinecarboxylic acid, 7-[(7S)-7-amino-5-azaspiro[2.4]hept-5-yl]-8-chloro-6-fluoro-1-[(1R,2S)-2-fluor...
- Sitravatinib (MGCD516), Inhibitor of AXL receptor tyrosine kinase;Inhibitor of discoidin domain receptor tyrosine kinase 2;Inhibitor of EPH receptor A3;Inhibitor of fms related receptor tyrosine kinase 1;Inhibitor of fms related receptor tyrosine kinase 3;Inhibitor of fms relateCAS: 1123837-84-2 EC Number: 863-087-1 PubChem CID: 25212148 Formula: C33H29F2N5O4S Molecular Weight: 629.68Moligand™ ? 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 #: S408996View ProductPricing & Pack Sizes
Technical Identifiers
- Synonyms
- MG-516 | 1,1-Cyclopropanedicarboxamide, N-[3-fluoro-4-[[2-[5-[[(2-methoxyethyl)amino]methyl]-2-pyridin...
- Sodium AescinateAnalytical standard ? Analytical standard — certified-purity material for quantitative calibration. Use to prepare calibration standards and validate analytical methods. mixture● In Stock — US warehouse, ships to EU* Item #: S110218View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
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- SMILES
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- InChIKey
- OJTQULAMLNBGOY-RRKCPRGASA-N
- InChI
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- Synonyms
- PD087204 | Escin monosodium salt | Aescusan sodium salt | Escin, sodium salt | Escin, monosodium salt | Na-Aescinat |...
- Sodium CholateLiquid 10mM in DMSO● In Stock — US warehouse, ships to EU* Item #: S423625View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
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- SMILES
- CC(CCC(=O)[O-])C1CCC2C1(C(CC3C2C(CC4C3(CCC(C4)O)C)O)O)C.[Na+]
- InChIKey
- NRHMKIHPTBHXPF-TUJRSCDTSA-M
- InChI
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- Synonyms
- CHOLICACIDSODIUMSALT | Cholic acid sodium salt | HY-N0324A | CCRIS 643 | Cholic acid sodium salt, 97+% (dry basis), U...
- Sodium DehydrocholateCAS: 145-41-5 EC Number: 205-652-1 PubChem CID: 23675007 Formula: C24H33NaO5 Molecular Weight: 424.5110mM in DMSO● In Stock — US warehouse, ships to EU* Item #: S421673View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
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- SMILES
- CC(CCC(=O)[O-])C1CCC2C1(C(=O)CC3C2C(=O)CC4C3(CCC(=O)C4)C)C.[Na+]
- InChIKey
- FKJIJBSJQSMPTI-CAOXKPNISA-M
- InChI
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- Synonyms
- Biliron | Dycholium | Sodium 3,7,12-trioxo-5-beta-cholan-24-oate | Sodium 3,7,12-trioxo-5beta-cholan-24-oate | Q27292...
- Sodium DemethylcantharidateLiquid 10mM in Water● In Stock — US warehouse, ships to EU* Item #: S421210View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- disodium;7-oxabicyclo[2.2.1]heptane-2,3-dicarboxylate
- SMILES
- C1CC2C(C(C1O2)C(=O)[O-])C(=O)[O-].[Na+].[Na+]
- InChIKey
- XRHVZWWRFMCBAZ-UHFFFAOYSA-L
- InChI
- 1S/C8H10O5.2Na/c9-7(10)5-3-1-2-4(13-3)6(5)8(11)12;;/h3-6H,1-2H2,(H,9,10)(H,11,12);;/q;2*+1/p-2
- Synonyms
- Endothal-disodium|13114-29-9|Sodium Demethylcantharidate|Sodium norcantharidin|129-67-9|Sodium 7-oxabicyclo[2.2.1]hep...
- Sodium Demethylcantharidate● In Stock — US warehouse, ships to EU* Item #: S413071View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- disodium;7-oxabicyclo[2.2.1]heptane-2,3-dicarboxylate
- SMILES
- C1CC2C(C(C1O2)C(=O)[O-])C(=O)[O-].[Na+].[Na+]
- InChIKey
- XRHVZWWRFMCBAZ-UHFFFAOYSA-L
- InChI
- 1S/C8H10O5.2Na/c9-7(10)5-3-1-2-4(13-3)6(5)8(11)12;;/h3-6H,1-2H2,(H,9,10)(H,11,12);;/q;2*+1/p-2
- Synonyms
- FT-0775390 | Disodium endothal | CHEBI:81916 | DTXSID1041899 | AKOS030633011 | SCHEMBL1006891 | Sodium Demethylcantha...
- Sodium DanshensuCAS: 67920-52-9 EC Number: 804-287-0 PubChem CID: 23711819 Formula: C9H9NaO5 Molecular Weight: 220.15Solid Analytical standard ? Analytical standard — certified-purity material for quantitative calibration. Use to prepare calibration standards and validate analytical methods. Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥98.5%● In Stock — US warehouse, ships to EU* Item #: S110197View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- sodium;3-(3,4-dihydroxyphenyl)-2-hydroxypropanoate
- SMILES
- C1=CC(=C(C=C1CC(C(=O)[O-])O)O)O.[Na+]
- InChIKey
- ZMMKVDBZTXUHFO-UHFFFAOYSA-M
- InChI
- 1S/C9H10O5.Na/c10-6-2-1-5(3-7(6)11)4-8(12)9(13)14;/h1-3,8,10-12H,4H2,(H,13,14);/q;+1/p-1
- Synonyms
- AKOS025401681 | sodium;3-(3,4-dihydroxyphenyl)-2-hydroxypropanoate | ( inverted exclamation markA)-DanShenSu sodium s...
- Sodium 3-(3,4-dihydroxyphenyl)-DL-lactateCAS: 67920-52-9 EC Number: 804-287-0 PubChem CID: 23711819 Formula: C9H9NaO5 Molecular Weight: 220.15Moligand™ ? 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 #: S425413View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- sodium;3-(3,4-dihydroxyphenyl)-2-hydroxypropanoate
- SMILES
- C1=CC(=C(C=C1CC(C(=O)[O-])O)O)O.[Na+]
- InChIKey
- ZMMKVDBZTXUHFO-UHFFFAOYSA-M
- InChI
- 1S/C9H10O5.Na/c10-6-2-1-5(3-7(6)11)4-8(12)9(13)14;/h1-3,8,10-12H,4H2,(H,13,14);/q;+1/p-1
- Synonyms
- AKOS025401681 | sodium;3-(3,4-dihydroxyphenyl)-2-hydroxypropanoate | ( inverted exclamation markA)-DanShenSu sodium s...
- Sodium 4-Aminosalicylate, Dihydrofolate reductase inhibitorCAS: 6018-19-5 EC Number: 682-416-8 PubChem CID: 16211148 Formula: C7H6NNaO3.2H2O Molecular Weight: 211.1510mM in DMSO● In Stock — US warehouse, ships to EU* Item #: S408715View ProductPricing & Pack Sizes
Technical Identifiers
- Synonyms
- Benzoic acid, 4-amino-2-hydroxy-, sodium salt, hydrate (1:1:2)
- Sodium 3-nitro-4-chlorobenzenesulfonate● In Stock — US warehouse, ships to EU* Item #: S357290View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- sodium;4-chloro-3-nitrobenzenesulfonate
- SMILES
- C1=CC(=C(C=C1S(=O)(=O)[O-])[N+](=O)[O-])Cl.[Na+]
- InChIKey
- POUGKTDTYSAMAT-UHFFFAOYSA-M
- InChI
- 1S/C6H4ClNO5S.Na/c7-5-2-1-4(14(11,12)13)3-6(5)8(9)10;/h1-3H,(H,11,12,13);/q;+1/p-1
- Synonyms
- EINECS 241-680-0 | POUGKTDTYSAMAT-UHFFFAOYSA-M | sodium 4-chloro-3-nitrobenzensulfonate | sodium4-chloro-3-nitrobenze...
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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.