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).
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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
- LW 6CAS: 934593-90-5 Formula: C26H29NO5 Molecular Weight: 435.5110mM in DMSO● In Stock — US warehouse, ships to EU* Item #: L426990View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- methyl 3-[[2-[4-(1-adamantyl)phenoxy]acetyl]amino]-4-hydroxybenzoate
- SMILES
- COC(=O)C1=CC(=C(C=C1)O)NC(=O)COC2=CC=C(C=C2)C34CC5CC(C3)CC(C5)C4
- InChIKey
- BJRPPNOJYFZSLY-UHFFFAOYSA-N
- InChI
- show more
- Synonyms
- CAY10585;Methyl 3-[[[4-(adamantan-1-yl)phenoxy]acetyl]amino]-4-hydroxybenzoate;3-[[[4-(Adamantan-1-yl)phenoxy]acetyl]...
- LX-2343CAS: 333745-53-2 Formula: C22H19ClN2O6S Molecular Weight: 474.9110mM in DMSO● In Stock — US warehouse, ships to EU* Item #: L423435View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 2-[N-(benzenesulfonyl)-5-chloro-2-methoxyanilino]-N-(1,3-benzodioxol-5-yl)acetamide
- SMILES
- COC1=C(C=C(C=C1)Cl)N(CC(=O)NC2=CC3=C(C=C2)OCO3)S(=O)(=O)C4=CC=CC=C4
- InChIKey
- ZGYSGIYKAVUVOR-UHFFFAOYSA-N
- InChI
- 1S/C22H19ClN2O6S/c1-29-19-9-7-15(23)11-18(19)25(32(27,28)17-5-3-2-4-6-17)13-22(26)24-16-8-10-20-21(12-16)31-14-30-20/h2-12H,13-14H2,1H3,(H,24,26)
- Synonyms
- N-(benzo[d][1,3]dioxol-5-yl)-2-(N-(5-chloro-2-methoxyphenyl)phenylsulfonamido)acetamide;2-[N-(Benzenesulfonyl)-5-chlo...
- LGK-974, Probable protein-cysteine N-palmitoyltransferase porcupine inhibitorCAS: 1243244-14-5 Formula: C23H20N6O Molecular Weight: 396.4Moligand™ ? 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 #: L409002View ProductPricing & Pack Sizes
Technical Identifiers
- Synonyms
- NVP-LGK974, WNT974 | [2,4'-Bipyridine]-5-acetamide, 2',3-dimethyl-N-[5-(2-pyrazinyl)-2-pyridinyl]-
- LJH685CAS: 1627710-50-2 Formula: C22H21F2N3O Molecular Weight: 381.4210mM in DMSO● In Stock — US warehouse, ships to EU* Item #: L421986View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 2,6-difluoro-4-[4-[4-(4-methylpiperazin-1-yl)phenyl]pyridin-3-yl]phenol
- SMILES
- CN1CCN(CC1)C2=CC=C(C=C2)C3=C(C=NC=C3)C4=CC(=C(C(=C4)F)O)F
- InChIKey
- IKUFKDGKRLMXEX-UHFFFAOYSA-N
- InChI
- 1S/C22H21F2N3O/c1-26-8-10-27(11-9-26)17-4-2-15(3-5-17)18-6-7-25-14-19(18)16-12-20(23)22(28)21(24)13-16/h2-7,12-14,28H,8-11H2,1H3
- Synonyms
- CCG-268422 | AKOS030526619 | 2,6-difluoro-4-[4-[4-(4-methylpiperazin-1-yl)phenyl]-3-pyridyl]phenol | LJH 685 | Phenol...
- LTI-29110mM in DMSO● In Stock — US warehouse, ships to EU* Item #: L422348View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 5,7-dimethyl-N-(4-pentoxycyclohexyl)pyrazolo[1,5-a]pyrimidine-3-carboxamide
- SMILES
- CCCCCOC1CCC(CC1)NC(=O)C2=C3N=C(C=C(N3N=C2)C)C
- InChIKey
- HZILSILAELSWKN-UHFFFAOYSA-N
- InChI
- 1S/C20H30N4O2/c1-4-5-6-11-26-17-9-7-16(8-10-17)23-20(25)18-13-21-24-15(3)12-14(2)22-19(18)24/h12-13,16-17H,4-11H2,1-3H3,(H,23,25)
- Synonyms
- 5,7-Dimethyl-N-(4-pentoxycyclohexyl)pyrazolo[1,5-a]pyrimidine-3-carboxamide | LTI291 | LTI-291 | HY-104038 | EX-A2518...
- LTURM 34CAS: 1879887-96-3 Formula: C24H18N2O3S Molecular Weight: 414.4810mM in DMSO● In Stock — US warehouse, ships to EU* Item #: L422293View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 8-dibenzothiophen-4-yl-2-morpholin-4-yl-1,3-benzoxazin-4-one
- SMILES
- C1COCCN1C2=NC(=O)C3=C(O2)C(=CC=C3)C4=CC=CC5=C4SC6=CC=CC=C56
- InChIKey
- SMMSWOMXOZLOPI-UHFFFAOYSA-N
- InChI
- 1S/C24H18N2O3S/c27-23-19-9-3-6-16(21(19)29-24(25-23)26-11-13-28-14-12-26)18-8-4-7-17-15-5-1-2-10-20(15)30-22(17)18/h1-10H,11-14H2
- Synonyms
- 8-(4-Dibenzothienyll)-2-(4-morpholinyl)-4H-1,3-benzoxazin-4-one
- LY-3381916CAS: 2166616-75-5 Formula: C23H25FN2O3 Molecular Weight: 396.4510mM in DMSO● In Stock — US warehouse, ships to EU* Item #: L422607View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 4-fluoro-N-[(1R)-1-[1-(oxane-4-carbonyl)-2,3-dihydroindol-5-yl]ethyl]benzamide
- SMILES
- CC(C1=CC2=C(C=C1)N(CC2)C(=O)C3CCOCC3)NC(=O)C4=CC=C(C=C4)F
- InChIKey
- NUBWFWVVKLRSHS-OAHLLOKOSA-N
- InChI
- show more
- Synonyms
- s8919 | EX-A4934 | AC-36897 | NSC817042 | NSC-817042 | AKOS040733638 | MS-26689 | BCP33269 | IDO1-IN-5 | SCHEMBL19689...
- LY2183240Liquid 10mM in DMSO● In Stock — US warehouse, ships to EU* Item #: L426615View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- N,N-dimethyl-5-[(4-phenylphenyl)methyl]tetrazole-1-carboxamide
- SMILES
- CN(C)C(=O)N1C(=NN=N1)CC2=CC=C(C=C2)C3=CC=CC=C3
- InChIKey
- GZNIYOXWFCDBBJ-UHFFFAOYSA-N
- InChI
- 1S/C17H17N5O/c1-21(2)17(23)22-16(18-19-20-22)12-13-8-10-15(11-9-13)14-6-4-3-5-7-14/h3-11H,12H2,1-2H3
- Synonyms
- LY2183240 | LY-2183240 | SCHEMBL2184828 | AS-82203 | N,N-dimethyl-5-[(4-phenylphenyl)methyl]-1-tetrazolecarboxamide |...
- LY2409881 trihydrochloride● In Stock — US warehouse, ships to EU* Item #: L413816View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 2-[5-chloro-2-[3-(4-methylpiperazin-1-yl)propylamino]pyrimidin-4-yl]-N-cyclopropyl-1-benzothiophene-4-carboxamide;trihydrochloride
- SMILES
- CN1CCN(CC1)CCCNC2=NC=C(C(=N2)C3=CC4=C(C=CC=C4S3)C(=O)NC5CC5)Cl.Cl.Cl.Cl
- InChIKey
- IEXCRLAGBWKVPW-UHFFFAOYSA-N
- InChI
- show more
- Synonyms
- 2-(5-chloro-2-(3-(4-methylpiperazin-1-yl)propylamino)pyrimidin-4-yl)-N-cyclopropylbenzo[b]thiophene-4-carboxamide tri...
- LY2510924 TFA saltCAS: 1088715-84-7(free basis) Formula: C62H88N14O10(free basis) Molecular Weight: 1189.45(free basis)● In Stock — US warehouse, ships to EU* Item #: L414034View ProductPricing & Pack Sizes
Technical Identifiers
- Synonyms
- L-Lysinamide,L-phenylalanyl-L-tyrosyl-N6-(1-methylethyl)-L-lysyl-D-arginyl-3-(2-naphthalenyl)-L-ala...
- LY 3200882CAS: 1898283-02-7 Formula: C24H29N5O3 Molecular Weight: 435.5210mM in DMSO● In Stock — US warehouse, ships to EU* Item #: L422328View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 2-[4-[[4-[1-cyclopropyl-3-(oxan-4-yl)pyrazol-4-yl]oxypyridin-2-yl]amino]pyridin-2-yl]propan-2-ol
- SMILES
- CC(C)(C1=NC=CC(=C1)NC2=NC=CC(=C2)OC3=CN(N=C3C4CCOCC4)C5CC5)O
- InChIKey
- PNPFMWIDAKQFPY-UHFFFAOYSA-N
- InChI
- show more
- Synonyms
- SCHEMBL17645407 | LY 3200882 [WHO-DD] | YAD28302 | HY-103021 | 19HY34R6UN | BCP20882 | UNII-19HY34R6UN | 1898283-02-7...
- LY-333531 hydrochlorideCAS: 169939-93-9 Formula: C28H28N4O3 · HCl Molecular Weight: 505.0110mM in DMSO◐ .Made to order · 8–12 wks Item #: L422095View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- show more
- SMILES
- CN(C)CC1CCN2C=C(C3=CC=CC=C32)C4=C(C5=CN(CCO1)C6=CC=CC=C65)C(=O)NC4=O.Cl
- InChIKey
- NYQIEYDJYFVLPO-FERBBOLQSA-N
- InChI
- show more
- Synonyms
- LY333531 HCl | (9S)-9-[(DiMethylaMino)Methyl]-6,7,10,11-tetrahydro-9H,18H-5,21:12,17-DiMethenodibenzo[e,k]pyrrolo[3,4...












