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
- BSJ-4-11610mM in DMSO● In Stock — US warehouse, ships to EU* Item #: B422871View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
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- SMILES
- CC(C)S(=O)(=O)C1=CC=CC=C1NC2=NC(=NC=C2Cl)NC3CCCN(C3)CCCCCCCNC(=O)COC4=CC=CC5=C4C(=O)N(C5=O)C6CCC(=O)NC6=O
- InChIKey
- YJOJMGTVKMABKQ-FIQOPJFZSA-N
- InChI
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- BTR-1CAS: 18331-34-5 Formula: C12H11NOS2 Molecular Weight: 249.35● In Stock — US warehouse, ships to EU* Item #: B412313View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 5-benzylidene-3-ethyl-2-sulfanylidene-1,3-thiazolidin-4-one
- SMILES
- CCN1C(=O)C(=CC2=CC=CC=C2)SC1=S
- InChIKey
- ZQDPYAPUFMILTB-UHFFFAOYSA-N
- InChI
- 1S/C12H11NOS2/c1-2-13-11(14)10(16-12(13)15)8-9-6-4-3-5-7-9/h3-8H,2H2,1H3
- Synonyms
- 5-BENZYLIDENE-3-ETHYL RHODANINE|18331-34-5|C12H11NOS2|5-benzylidene-3-ethyl-2-sulfanylidene-1,3-thiazolidin-4-one|IFL...
- BX 471, Antagonist of CCR1Moligand™ ? 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 #: B422618View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- [5-chloro-2-[2-[(2R)-4-[(4-fluorophenyl)methyl]-2-methylpiperazin-1-yl]-2-oxoethoxy]phenyl]urea
- SMILES
- CC1CN(CCN1C(=O)COC2=C(C=C(C=C2)Cl)NC(=O)N)CC3=CC=C(C=C3)F
- InChIKey
- XQYASZNUFDVMFH-CQSZACIVSA-N
- InChI
- show more
- Synonyms
- BX471 | BX-471 | B6060 | s2753 | A14409 | DTXSID10176164 | NCGC00370909-03 | UNII-76K17ZG4ZN | Urea, N-(5-chloro-2-(2...
- Bakkenolide ACAS: 19906-72-0 Formula: C15H22O2 Molecular Weight: 234.33◐ .Made to order · 8–12 wks Item #: B414419View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- (2R,3aR,7S,7aR)-7,7a-dimethyl-4'-methylidenespiro[3,3a,4,5,6,7-hexahydro-1H-indene-2,3'-oxolane]-2'-one
- SMILES
- CC1CCCC2C1(CC3(C2)C(=C)COC3=O)C
- InChIKey
- OVXAYHNZXBOVPV-QMGNLALYSA-N
- InChI
- 1S/C15H22O2/c1-10-5-4-6-12-7-15(9-14(10,12)3)11(2)8-17-13(15)16/h10,12H,2,4-9H2,1,3H3/t10-,12+,14+,15+/m0/s1
- Synonyms
- (+)-Bakkenolide A | AKOS040750440 | Bakkenolide A | MFCD10566620 | Spiro(furan-3(2H),2'-indan)-2-one, 3'a,4,4',5,5',6...
- Batefenterol, Muscarinic acetylcholine receptor M3 antagonistCAS: 743461-65-6 Formula: C40H42ClN5O7 Molecular Weight: 740.2410mM in DMSO● In Stock — US warehouse, ships to EU* Item #: B425791View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
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- SMILES
- COC1=CC(=C(C=C1CNCC(C2=C3C=CC(=O)NC3=C(C=C2)O)O)Cl)NC(=O)CCN4CCC(CC4)OC(=O)NC5=CC=CC=C5C6=CC=CC=C6
- InChIKey
- URWYQGVSPQJGGB-DHUJRADRSA-N
- InChI
- show more
- Synonyms
- Batefenterol | GSK961081 | GSK-961081 | 1-(3-((2-Chloro-4-((((2R)-2-hydroxy-2-(8-hydroxy-2-oxo-1,2-dihydroquinolin-5-...
- BarnidipineCAS: 104713-75-9 Formula: C27H29N3O6 Molecular Weight: 491.55● In Stock — US warehouse, ships to EU* Item #: B412594View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 5-O-[(3S)-1-benzylpyrrolidin-3-yl] 3-O-methyl (4S)-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
- SMILES
- CC1=C(C(C(=C(N1)C)C(=O)OC2CCN(C2)CC3=CC=CC=C3)C4=CC(=CC=C4)[N+](=O)[O-])C(=O)OC
- InChIKey
- VXMOONUMYLCFJD-DHLKQENFSA-N
- InChI
- show more
- Synonyms
- Barnidipino [INN-Spanish] | YM-09730-5(Free base) | BCP07244 | 104713-75-9 (free base) | HY-107322A | CHEBI:135793 | ...
- Batefenterol, Muscarinic acetylcholine receptor M3 antagonistCAS: 743461-65-6 Formula: C40H42ClN5O7 Molecular Weight: 740.24● In Stock — US warehouse, ships to EU* Item #: B412136View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
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- SMILES
- COC1=CC(=C(C=C1CNCC(C2=C3C=CC(=O)NC3=C(C=C2)O)O)Cl)NC(=O)CCN4CCC(CC4)OC(=O)NC5=CC=CC=C5C6=CC=CC=C6
- InChIKey
- URWYQGVSPQJGGB-DHUJRADRSA-N
- InChI
- show more
- Synonyms
- Batefenterol | GSK961081 | GSK-961081 | 1-(3-((2-Chloro-4-((((2R)-2-hydroxy-2-(8-hydroxy-2-oxo-1,2-dihydroquinolin-5-...
- Batimastat, Inhibitor of MMP1;Inhibitor of MMP13;Inhibitor of MMP3Moligand™ ? 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 #: B421183View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- (2S,3R)-N-hydroxy-N'-[(2S)-1-(methylamino)-1-oxo-3-phenylpropan-2-yl]-3-(2-methylpropyl)-2-(thiophen-2-ylsulfanylmethyl)butanediamide
- SMILES
- CC(C)CC(C(CSC1=CC=CS1)C(=O)NO)C(=O)NC(CC2=CC=CC=C2)C(=O)NC
- InChIKey
- XFILPEOLDIKJHX-QYZOEREBSA-N
- InChI
- show more
- Synonyms
- Butanediamide, N(sup 4)-hydroxy-N(sup 1)-(2-(methylamino)-2-oxo-1-(phenylmethyl)ethyl)-2-(2-methylpropyl)-3-((2-thien...
- Bax channel blocker10mM in DMSO● In Stock — US warehouse, ships to EU* Item #: B423450View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 1-(3,6-dibromocarbazol-9-yl)-3-piperazin-1-ylpropan-2-ol;dihydrochloride
- SMILES
- C1CN(CCN1)CC(CN2C3=C(C=C(C=C3)Br)C4=C2C=CC(=C4)Br)O.Cl.Cl
- InChIKey
- HWFKCAFKXZFOQT-UHFFFAOYSA-N
- InChI
- 1S/C19H21Br2N3O.2ClH/c20-13-1-3-18-16(9-13)17-10-14(21)2-4-19(17)24(18)12-15(25)11-23-7-5-22-6-8-23;;/h1-4,9-10,15,22,25H,5-8,11-12H2;2*1H
- Synonyms
- J-019229 | NCGC00092317-01 | 3,6-DIBROMO-ALPHA-(1-PIPERAZINYLMETHYL)-9H-CARBAZOLE-9-ETHANOL DIHYDROCHLORIDE | 1-(3,6-...
- Bafetinib (INNO-406), Tyrosine-protein kinase Lyn inhibitorCAS: 859212-16-1 Formula: C30H31F3N8O Molecular Weight: 576.62Moligand™ ? 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 #: B408114View ProductPricing & Pack Sizes
Technical Identifiers
- Synonyms
- NS-187 | (S)-4-((3-(dimethylamino)pyrrolidin-1-yl)methyl)-N-(4-methyl-3-(4-(pyrimidin-5-yl)pyrimidin-2-ylamino)phenyl...
- Bafilomycin C1CAS: 88979-61-7 Formula: C39H60O12 Molecular Weight: 720.89◐ .Made to order · 8–12 wks Item #: B275381View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
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- SMILES
- CC1CC(=CC=CC(C(OC(=O)C(=CC(=CC(C1O)C)C)OC)C(C)C(C(C)C2(CC(C(C(O2)C(C)C)C)OC(=O)C=CC(=O)O)O)O)OC)C
- InChIKey
- WUDBXVQNMOTFEE-FUGNQFJWSA-N
- InChI
- show more
- Synonyms
- (E)-4-[(2R,4R,5S,6R)-2-hydroxy-2-[(2S,3R,4S)-3-hydroxy-4-[(3S,4Z,6E,9S,10S,11R,12E,14Z)-10-hydroxy-3,15-dimethoxy-7,9...
- BaicaleinMoligand™ ? 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 #: B408240View ProductPricing & Pack Sizes
Technical Identifiers
- Synonyms
- 4H-1-Benzopyran-4-one, 5,6,7-trihydroxy-2-phenyl-












