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).
By Target / Pathway / Disease
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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
- ERK inhibitorCAS: 1049738-54-6 Formula: C14H16N2O3S・HCl Molecular Weight: 328.81● In Stock — US warehouse, ships to EU* Item #: E335372View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 3-(2-aminoethyl)-5-[(4-ethoxyphenyl)methylidene]-1,3-thiazolidine-2,4-dione;hydrochloride
- SMILES
- CCOC1=CC=C(C=C1)C=C2C(=O)N(C(=O)S2)CCN.Cl
- InChIKey
- PQVLWVGMXJPJLG-UHFFFAOYSA-N
- InChI
- 1S/C14H16N2O3S.ClH/c1-2-19-11-5-3-10(4-6-11)9-12-13(17)16(8-7-15)14(18)20-12;/h3-6,9H,2,7-8,15H2,1H3;1H
- Synonyms
- 3-(2-Aminoethyl)-5-((4-ethoxyphenyl)methylene)-2,4-thiazolidinedione, HCl
- ERK5-IN-2CAS: 1888305-96-1 Formula: C17H11BrFN3O2 Molecular Weight: 388.19● In Stock — US warehouse, ships to EU* Item #: E413634View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 4-(2-bromo-6-fluorobenzoyl)-N-pyridin-3-yl-1H-pyrrole-2-carboxamide
- SMILES
- C1=CC(=C(C(=C1)Br)C(=O)C2=CNC(=C2)C(=O)NC3=CN=CC=C3)F
- InChIKey
- ATKCERYALDNMPL-UHFFFAOYSA-N
- InChI
- 1S/C17H11BrFN3O2/c18-12-4-1-5-13(19)15(12)16(23)10-7-14(21-8-10)17(24)22-11-3-2-6-20-9-11/h1-9,21H,(H,22,24)
- Synonyms
- 4-(2-Bromo-6-fluorobenzoyl)-N-(pyridin-3-yl)-1H-pyrrole-2-carboxamide
- Ecamsule disodium● In Stock — US warehouse, ships to EU* Item #: E412986View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- show more
- SMILES
- CC1(C2CCC1(C(=O)C2=CC3=CC=C(C=C3)C=C4C5CCC(C4=O)(C5(C)C)CS(=O)(=O)[O-])CS(=O)(=O)[O-])C.[Na+].[Na+]
- InChIKey
- ABZNEHKRFLKURR-UHFFFAOYSA-L
- InChI
- show more
- Synonyms
- disodium;[3-[[4-[[7,7-dimethyl-3-oxo-4-(sulfonatomethyl)-2-bicyclo[2.2.1]heptanylidene]methyl]phenyl]methylidene]-7,7...
- ENMD-2076, Macrophage colony stimulating factor receptor inhibitorCAS: 934353-76-1 Formula: C21H25N7 Molecular Weight: 375.47Liquid 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 DMSO● In Stock — US warehouse, ships to EU* Item #: E408042View ProductPricing & Pack Sizes
Technical Identifiers
- Synonyms
- (E)-N-(5-methyl-1H-pyrazol-3-yl)-6-(4-methylpiperazin-1-yl)-2-styrylpyrimidin-4-amine
- ENMD-2076 L-(+)-Tartaric acidLiquid 10mM in DMSO● In Stock — US warehouse, ships to EU* Item #: E421155View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- (2S,3S)-2,3-dihydroxybutanedioic acid;6-(4-methylpiperazin-1-yl)-N-(5-methyl-1H-pyrazol-3-yl)-2-[(E)-2-phenylethenyl]pyrimidin-4-amine
- SMILES
- CC1=CC(=NN1)NC2=CC(=NC(=N2)C=CC3=CC=CC=C3)N4CCN(CC4)C.C(C(C(=O)O)O)(C(=O)O)O
- InChIKey
- KGWWHPZQLVVAPT-PCWHHUEVSA-N
- InChI
- show more
- Synonyms
- EX-A235A | ENMD-2076 Tartrate | AKOS027295002 | (2S,3S)-2,3-Dihydroxybutanedioic acid--6-(4-methylpiperazin-1-yl)-N-(...
- EOAI3402143CAS: 1699750-95-2 Formula: C25H28Cl2N4O3 Molecular Weight: 503.42Liquid 10mM in DMSO● In Stock — US warehouse, ships to EU* Item #: E422096View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- (E)-2-cyano-3-(3,6-dichloropyridin-2-yl)-N-[1-[4-(2-morpholin-4-ylethoxy)phenyl]butyl]prop-2-enamide
- SMILES
- CCCC(C1=CC=C(C=C1)OCCN2CCOCC2)NC(=O)C(=CC3=C(C=CC(=N3)Cl)Cl)C#N
- InChIKey
- IIKVQQNZHGBYGQ-KNTRCKAVSA-N
- InChI
- show more
- Synonyms
- 2-Propenamide,2-cyano-3-(3,6-dichloro-2-pyridinyl)-N-[1-[4-[2-(4-morpholinyl)ethoxy]phenyl]butyl]-�...
- EPZ015666, Inhibitor of protein arginine methyltransferase 5CAS: 1616391-65-1 Formula: C20H25N5O3 Molecular Weight: 383.44Moligand™ ? 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 #: E421950View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- N-[(2S)-3-(3,4-dihydro-1H-isoquinolin-2-yl)-2-hydroxypropyl]-6-(oxetan-3-ylamino)pyrimidine-4-carboxamide
- SMILES
- C1CN(CC2=CC=CC=C21)CC(CNC(=O)C3=CC(=NC=N3)NC4COC4)O
- InChIKey
- ZKXZLIFRWWKZRY-KRWDZBQOSA-N
- InChI
- show more
- Synonyms
- (S)-N-(3-(3，4-Dihydroisoquinolin-2(1H)-yl)-2-hydroxypropyl)-6-(oxetan-3-ylamino)pyrimidine-4-carboxamide，GSK3235025，Y...
- ER-000444793CAS: 792957-74-5 Formula: C23H18N2O2 Molecular Weight: 354.4● In Stock — US warehouse, ships to EU* Item #: E413401View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- N-(2-benzylphenyl)-2-oxo-1H-quinoline-4-carboxamide
- SMILES
- C1=CC=C(C=C1)CC2=CC=CC=C2NC(=O)C3=CC(=O)NC4=CC=CC=C43
- InChIKey
- OIZPRRGJIHYZAY-UHFFFAOYSA-N
- InChI
- 1S/C23H18N2O2/c26-22-15-19(18-11-5-7-13-21(18)24-22)23(27)25-20-12-6-4-10-17(20)14-16-8-2-1-3-9-16/h1-13,15H,14H2,(H,24,26)(H,25,27)
- Synonyms
- 4-Quinolinecarboxamide,1,2-dihydro-2-oxo-N-[2-(phenylmethyl)phenyl]-
- ER-000444793CAS: 792957-74-5 Formula: C23H18N2O2 Molecular Weight: 354.410mM in DMSO● In Stock — US warehouse, ships to EU* Item #: E425985View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- N-(2-benzylphenyl)-2-oxo-1H-quinoline-4-carboxamide
- SMILES
- C1=CC=C(C=C1)CC2=CC=CC=C2NC(=O)C3=CC(=O)NC4=CC=CC=C43
- InChIKey
- OIZPRRGJIHYZAY-UHFFFAOYSA-N
- InChI
- 1S/C23H18N2O2/c26-22-15-19(18-11-5-7-13-21(18)24-22)23(27)25-20-12-6-4-10-17(20)14-16-8-2-1-3-9-16/h1-13,15H,14H2,(H,24,26)(H,25,27)
- Synonyms
- 4-Quinolinecarboxamide,1,2-dihydro-2-oxo-N-[2-(phenylmethyl)phenyl]-
- ERDRP-0519CAS: 1374006-96-8 Formula: C23H30F3N5O4S Molecular Weight: 529.58Solid 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 #: E412975View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 2-methyl-N-[4-[(2S)-2-(2-morpholin-4-ylethyl)piperidin-1-yl]sulfonylphenyl]-5-(trifluoromethyl)pyrazole-3-carboxamide
- SMILES
- CN1C(=CC(=N1)C(F)(F)F)C(=O)NC2=CC=C(C=C2)S(=O)(=O)N3CCCCC3CCN4CCOCC4
- InChIKey
- JVZHTUQIMBYDSX-SFHVURJKSA-N
- InChI
- show more
- Synonyms
- HY-102074 | 1-Methyl-N-(4-(((2S)-2-(2-(4-morpholinyl)ethyl)-1-piperidinyl)sulfonyl)phenyl)-3-(trifluoromethyl)-1H-pyr...
- ERK5-IN-2CAS: 1888305-96-1 Formula: C17H11BrFN3O2 Molecular Weight: 388.19Liquid 10mM in DMSO● In Stock — US warehouse, ships to EU* Item #: E422312View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 4-(2-bromo-6-fluorobenzoyl)-N-pyridin-3-yl-1H-pyrrole-2-carboxamide
- SMILES
- C1=CC(=C(C(=C1)Br)C(=O)C2=CNC(=C2)C(=O)NC3=CN=CC=C3)F
- InChIKey
- ATKCERYALDNMPL-UHFFFAOYSA-N
- InChI
- 1S/C17H11BrFN3O2/c18-12-4-1-5-13(19)15(12)16(23)10-7-14(21-8-10)17(24)22-11-3-2-6-20-9-11/h1-9,21H,(H,22,24)
- Synonyms
- 1H-Pyrrole-2-carboxamide,4-(2-bromo-6-fluorobenzoyl)-N-3-pyridinyl-
- ESI 09, Inhibitor of Rap guanine nucleotide exchange factor 3;Inhibitor of Rap guanine nucleotide exchange factor 4CAS: 263707-16-0 Formula: C16H15ClN4O2 Molecular Weight: 330.77Moligand™ ? 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 #: E422933View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- (1E)-2-(5-tert-butyl-1,2-oxazol-3-yl)-N-(3-chloroanilino)-2-oxoethanimidoyl cyanide
- SMILES
- CC(C)(C)C1=CC(=NO1)C(=O)C(=NNC2=CC(=CC=C2)Cl)C#N
- InChIKey
- DXEATJQGQHDURZ-DEDYPNTBSA-N
- InChI
- 1S/C16H15ClN4O2/c1-16(2,3)14-8-12(21-23-14)15(22)13(9-18)20-19-11-6-4-5-10(17)7-11/h4-8,19H,1-3H3/b20-13+
- Synonyms
- α-[(2-(3-Chlorophenyl)hydrazinylidene]-5-(1,1-dimethylethyl)-β-oxo-3-isoxazolepropanenitrile
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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.