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
- 1-Adamantylamine, Channel blocker of GluN2A;Channel blocker of GluN2B;Channel blocker of GluN2C;Channel blocker of GluN2DLiquid Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. 2mM in DMSO● In Stock — US warehouse, ships to EU* Item #: A425890View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- adamantan-1-amine
- SMILES
- C1C2CC3CC1CC(C2)(C3)N
- InChIKey
- DKNWSYNQZKUICI-UHFFFAOYSA-N
- InChI
- 1S/C10H17N/c11-10-4-7-1-8(5-10)3-9(2-7)6-10/h7-9H,1-6,11H2
- Synonyms
- amantadine|1-Adamantanamine|768-94-5|adamantan-1-amine|1-Adamantylamine|1-Aminoadamantane|Adamantanamine|Adamantylami...
- 1-Allylcyclopropane-1-sulfonyl Chloride● In Stock — US warehouse, ships to EU* Item #: A339715View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 1-prop-2-enylcyclopropane-1-sulfonyl chloride
- SMILES
- C=CCC1(CC1)S(=O)(=O)Cl
- InChIKey
- AQYNREAFYINZPS-UHFFFAOYSA-N
- InChI
- 1S/C6H9ClO2S/c1-2-3-6(4-5-6)10(7,8)9/h2H,1,3-5H2
- Synonyms
- AQYNREAFYINZPS-UHFFFAOYSA-N | DTXSID00657735 | 1-allyl-cyclopropane sulfonyl chloride | EN300-275901 | Q-100969 | 1-a...
- 1-BCPCAS: 34023-62-6 Formula: C13H15NO3 Molecular Weight: 233.26● In Stock — US warehouse, ships to EU* Item #: B356586View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 1,3-benzodioxol-5-yl(piperidin-1-yl)methanone
- SMILES
- C1CCN(CC1)C(=O)C2=CC3=C(C=C2)OCO3
- InChIKey
- BXBNADAPIHHXJQ-UHFFFAOYSA-N
- InChI
- 1S/C13H15NO3/c15-13(14-6-2-1-3-7-14)10-4-5-11-12(8-10)17-9-16-11/h4-5,8H,1-3,6-7,9H2
- Synonyms
- J-019425 | AI3-01460 | Q27188679 | HMS3676C13 | N-(3,4-Methylenedioxybenzoyl)piperidine | DTXSID10187634 | EN300-1700...
- 1-Boc-1,2,3,6-tetrahydropyridine-4-carboxylicAcidSolid ≥97%● In Stock — US warehouse, ships to EU* Item #: B357206View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 1-[(2-methylpropan-2-yl)oxycarbonyl]-3,6-dihydro-2H-pyridine-4-carboxylic acid
- SMILES
- CC(C)(C)OC(=O)N1CCC(=CC1)C(=O)O
- InChIKey
- XMOGRJIQFWJZDG-UHFFFAOYSA-N
- InChI
- 1S/C11H17NO4/c1-11(2,3)16-10(15)12-6-4-8(5-7-12)9(13)14/h4H,5-7H2,1-3H3,(H,13,14)
- Synonyms
- AMY32013 | EN300-97515 | 1-boc-4-carboxy-3,4-didehydropiperidine | AB91329 | 1-(tert-Butoxycarbonyl)-1,2,3,6-tetrahyd...
- 1-Aminohydantoin HydrochlorideCAS: 2827-56-7 Formula: C3H5N3O2·HCl Molecular Weight: 151.5510mM in DMSO◐ .Made to order · 8–12 wks Item #: A422989View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 1-aminoimidazolidine-2,4-dione;hydrochloride
- SMILES
- C1C(=O)NC(=O)N1N.Cl
- InChIKey
- WEOHANUVLKERQI-UHFFFAOYSA-N
- InChI
- 1S/C3H5N3O2.ClH/c4-6-1-2(7)5-3(6)8;/h1,4H2,(H,5,7,8);1H
- Synonyms
- Broact | WEOHANUVLKERQI-UHFFFAOYSA-N | 1-Amino hydantoin hydrochloride | 5-HYDROXYDOPAMINEHYDROCHLORIDE | A819399 | A...
- 1-BCPCAS: 34023-62-6 Formula: C13H15NO3 Molecular Weight: 233.2610mM in DMSO● In Stock — US warehouse, ships to EU* Item #: B423477View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 1,3-benzodioxol-5-yl(piperidin-1-yl)methanone
- SMILES
- C1CCN(CC1)C(=O)C2=CC3=C(C=C2)OCO3
- InChIKey
- BXBNADAPIHHXJQ-UHFFFAOYSA-N
- InChI
- 1S/C13H15NO3/c15-13(14-6-2-1-3-7-14)10-4-5-11-12(8-10)17-9-16-11/h4-5,8H,1-3,6-7,9H2
- Synonyms
- J-019425 | AI3-01460 | Q27188679 | HMS3676C13 | N-(3,4-Methylenedioxybenzoyl)piperidine | DTXSID10187634 | EN300-1700...
- 1-Dodecyl-3-Methylimidazolium HexafluorophosphateCAS: 219947-93-0 EC Number: 801-470-7 PubChem CID: 10250129 Formula: C16H31F6N2P Molecular Weight: 396.39Solid ≥98%● In Stock — US warehouse, ships to EU* Item #: D303070View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 1-dodecyl-3-methylimidazol-3-ium;hexafluorophosphate
- SMILES
- CCCCCCCCCCCCN1C=C[N+](=C1)C.F[P-](F)(F)(F)(F)F
- InChIKey
- MPHALGYBTKGJEV-UHFFFAOYSA-N
- InChI
- 1S/C16H31N2.F6P/c1-3-4-5-6-7-8-9-10-11-12-13-18-15-14-17(2)16-18;1-7(2,3,4,5)6/h14-16H,3-13H2,1-2H3;/q+1;-1
- Synonyms
- 1-dodecyl-3-methyl-1H-imidazol-3-ium; hexafluoro--phosphanuide | 1-Dodecyl-3-methylimidazolium hexafluorophosphate | ...
- 1-Dodecylpyridin-1-ium chloride hydrate◐ .Made to order · 8–12 wks Item #: D302805View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 1-dodecylpyridin-1-ium;chloride;hydrate
- SMILES
- CCCCCCCCCCCC[N+]1=CC=CC=C1.O.[Cl-]
- InChIKey
- BDGGUWSWAKGEGH-UHFFFAOYSA-M
- InChI
- 1S/C17H30N.ClH.H2O/c1-2-3-4-5-6-7-8-9-10-12-15-18-16-13-11-14-17-18;;/h11,13-14,16-17H,2-10,12,15H2,1H3;1H;1H2/q+1;;/p-1
- Synonyms
- 1-Dodecylpyridinium chloride hydrate, 98% | FT-0715862 | 1-Dodecylpyridinium chloride hydrate,98 % | MFCD00150002 | 1...
- 1-Ethyl-2,3-Dimethylimidazolium TetrafluoroborateCAS: 307492-75-7 EC Number: 801-297-7 PubChem CID: 21977262 Formula: C7H13BF4N2 Molecular Weight: 212Solid ≥99%● In Stock — Germany Item #: E303395View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 1-ethyl-2,3-dimethylimidazol-3-ium;tetrafluoroborate
- SMILES
- [B-](F)(F)(F)F.CCN1C=C[N+](=C1C)C
- InChIKey
- KNIWGPCMWBGRBE-UHFFFAOYSA-N
- InChI
- 1S/C7H13N2.BF4/c1-4-9-6-5-8(3)7(9)2;2-1(3,4)5/h5-6H,4H2,1-3H3;/q+1;-1
- Synonyms
- 307492-75-7|1-ETHYL-2,3-DIMETHYLIMIDAZOLIUM TETRAFLUOROBORATE|1-Ethyl-2,3-dimethyl-1H-imidazol-3-ium tetrafluoroborat...
- 1-Ethyl-3-MethyliMidazoliuMHydrogenSulfateCAS: 674282-83-8 Formula: C6H12N2O4S Molecular Weight: 208.235Liquid ≥98%● In Stock — US warehouse, ships to EU* Item #: E304343View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 1-ethyl-3-methylimidazol-3-ium;hydrogen sulfate
- SMILES
- CCN1C=C[N+](=C1)C.OS(=O)(=O)[O-]
- InChIKey
- HZKDSQCZNUUQIF-UHFFFAOYSA-M
- InChI
- 1S/C6H11N2.H2O4S/c1-3-8-5-4-7(2)6-8;1-5(2,3)4/h4-6H,3H2,1-2H3;(H2,1,2,3,4)/q+1;/p-1
- Synonyms
- SCHEMBL479201 | NCGC00260190-01 | FT-0715321 | Tox21_202642 | 1-methyl-3-ethylimidazolium hydrogensulfate | 1-Ethyl-3...
- 1-Methyl-3-octyl-1H-imidazolium salt with bis[(trifluoromethyl)sulfonyl]methane● In Stock — US warehouse, ships to EU* Item #: H304966View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 1-methyl-3-octylimidazol-1-ium;trifluoro(trifluoromethylsulfonylmethylsulfonyl)methane
- SMILES
- CCCCCCCCN1C=C[N+](=C1)C.[CH-](S(=O)(=O)C(F)(F)F)S(=O)(=O)C(F)(F)F
- InChIKey
- NXPDVDJZADEBDB-UHFFFAOYSA-N
- InChI
- 1S/C12H23N2.C3HF6O4S2/c1-3-4-5-6-7-8-9-14-11-10-13(2)12-14;4-2(5,6)14(10,11)1-15(12,13)3(7,8)9/h10-12H,3-9H2,1-2H3;1H/q+1;-1
- 1-Methyl-3-nitro-1-nitrosoguanidine10mM in DMSO● In Stock — US warehouse, ships to EU* Item #: M425595View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 1-methyl-3-nitro-1-nitrosoguanidine
- SMILES
- CN(C(=N)N[N+](=O)[O-])N=O
- InChIKey
- VZUNGTLZRAYYDE-UHFFFAOYSA-N
- InChI
- 1S/C2H5N5O3/c1-6(5-8)2(3)4-7(9)10/h1H3,(H2,3,4)
- Synonyms
- MNNG | N-Nitroso-N'-nitro-N-methylguanidine | RCRA waste number U163 | 3-methyl-1-nitro-3-nitrosoguanidine | BSPBio_0...
![1-Methyl-3-octyl-1H-imidazolium salt with bis[(trifluoromethyl)sulfonyl]methane](https://www.aladdinsci.com/media/catalog/product/cache/6360e336b2a70951114dbd37294096ee/H/3/H304966.png)
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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.