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
24,635Navigate 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 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 to assemble or screen PROTAC designs, with clear identifiers for efficient selection.
By Signaling Pathways
102,620Explore 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)
19,695Find 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
- Doxercalciferol, Vitamin D receptor agonistCAS: 54573-75-0 EC Number: 643-005-9 PubChem CID: 5281107 Formula: C28H44O2 Molecular Weight: 412.65Moligand™ ? 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 Item #: D408749View ProductPricing & Pack Sizes
Technical Identifiers
- Synonyms
- 1α-hydroxyvitamin D2 | (1R,3S,E)-5-((E)-2-((1R,3aS,7aR)-1-((2R,5S,E)-5,6-dimethylhept-3-en-2-yl)-7a-methyl-octahydroi...
- Doxifluridine, Thymidylate synthase inhibitorCAS: 3094-09-5 Formula: C9H11FN2O5 Molecular Weight: 246.1910mM in DMSO● In Stock — US Item #: D407883View ProductPricing & Pack Sizes
Technical Identifiers
- Synonyms
- 5'-DFUR, AMC 0101 | 5'-deoxy-5-fluoro-uridine
- Domperidone maleateCAS: 99497-03-7 EC Number: 801-827-7 PubChem CID: 6604595 Formula: C26H28ClN5O6 Molecular Weight: 541.99● In Stock — US Item #: D350627View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- (Z)-but-2-enedioic acid;6-chloro-3-[1-[3-(2-oxo-3H-benzimidazol-1-yl)propyl]piperidin-4-yl]-1H-benzimidazol-2-one
- SMILES
- C1CN(CCC1N2C3=C(C=C(C=C3)Cl)NC2=O)CCCN4C5=CC=CC=C5NC4=O.C(=CC(=O)O)C(=O)O
- InChIKey
- OAUUYDZHCOULIO-BTJKTKAUSA-N
- InChI
- show more
- Synonyms
- 5-CHLORO-1-(1-(3-(2-OXOBENZIMIDAZOLIN-1-YL)PROPYL)-4-PIPERIDYL)BENZIMIDAZOLIN-2-ONE MALEATE | 899U5WF46A | Domperidon...
- Doripenem, Bacterial penicillin-binding protein inhibitorCAS: 148016-81-3 Formula: C15H24N4O6S2 Molecular Weight: 420.5Moligand™ ? 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 Item #: D421732View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
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- SMILES
- CC1C2C(C(=O)N2C(=C1SC3CC(NC3)CNS(=O)(=O)N)C(=O)O)C(C)O
- InChIKey
- AVAACINZEOAHHE-VFZPANTDSA-N
- InChI
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- Synonyms
- (+)-(4R,5S,6S)-6-((1R)-1-Hydroxyethyl)-4-methyl-7-oxo-3-(((3S,5S)-5-((sulfamoylamino)methyl)-3-pyrrolidinyl)thio)-1-a...
- Dorsomorphin, Inhibitor of EPH receptor A2;Inhibitor of fms related receptor tyrosine kinase 1;Inhibitor of fms related receptor tyrosine kinase 3;Inhibitor of kinase insert domain receptor;Inhibitor of LCK proto-oncogene; Src family tyrosine kinase;Inhibitor of MAPK iMoligand™ ? 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 Item #: D426448View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 6-[4-(2-piperidin-1-ylethoxy)phenyl]-3-pyridin-4-ylpyrazolo[1,5-a]pyrimidine
- SMILES
- C1CCN(CC1)CCOC2=CC=C(C=C2)C3=CN4C(=C(C=N4)C5=CC=NC=C5)N=C3
- InChIKey
- XHBVYDAKJHETMP-UHFFFAOYSA-N
- InChI
- 1S/C24H25N5O/c1-2-12-28(13-3-1)14-15-30-22-6-4-19(5-7-22)21-16-26-24-23(17-27-29(24)18-21)20-8-10-25-11-9-20/h4-11,16-18H,1-3,12-15H2
- Synonyms
- BML-275 | 6-[4-(2-piperidin-1-ylethoxy)phenyl]-3-pyridin-4-yl-pyrazolo[1,5-a]pyrimidine | AC-27419 | SY256013 | AM200...
- Dorzagliatin, Allosteric modulator of GlucokinaseCAS: 1191995-00-2 Formula: C22H27ClN4O5 Molecular Weight: 462.93Moligand™ ? 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 Item #: D420852View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- (2S)-2-[3-(2-chlorophenoxy)-5-oxo-2H-pyrrol-1-yl]-N-[1-[(2R)-2,3-dihydroxypropyl]pyrazol-3-yl]-4-methylpentanamide
- SMILES
- CC(C)CC(C(=O)NC1=NN(C=C1)CC(CO)O)N2CC(=CC2=O)OC3=CC=CC=C3Cl
- InChIKey
- HMUMWSORCUWQJO-QAPCUYQASA-N
- InChI
- show more
- Synonyms
- HY-109030 | AKOS030527745 | Sinogliatin | (2S)-2-[3-(2-chlorophenoxy)-5-oxo-2H-pyrrol-1-yl]-N-[1-[(2R)-2,3-dihydroxyp...
- Dothiepin-d3CAS: 136765-31-6 Formula: C19H18D3NS Molecular Weight: 298.46◐ .Made to order · 8–12 wks Item #: D350622View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- (3E)-N,N-dimethyl-3-(1,2,3-trideuterio-6H-benzo[c][1]benzothiepin-11-ylidene)propan-1-amine
- SMILES
- CN(C)CCC=C1C2=CC=CC=C2CSC3=CC=CC=C31
- InChIKey
- PHTUQLWOUWZIMZ-TVUQWVDKSA-N
- InChI
- 1S/C19H21NS/c1-20(2)13-7-11-17-16-9-4-3-8-15(16)14-21-19-12-6-5-10-18(17)19/h3-6,8-12H,7,13-14H2,1-2H3/b17-11+/i5D,6D,10D
- Synonyms
- 3-Dibenzo[b,e]thiepin-11(6H)-ylidene-N-methyl-N-(methyl-d3)-1-propanamine | N,N-(Dimethyl-d3)-dibenzo[b,e]thiepin-11(...
- Dolasetron mesylate10mM in DMSO● In Stock — US Item #: D420738View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- methanesulfonic acid;[(3S,7R)-10-oxo-8-azatricyclo[5.3.1.03,8]undecan-5-yl] 1H-indole-3-carboxylate;hydrate
- SMILES
- CS(=O)(=O)O.C1C2CC3CC(CC1N3CC2=O)OC(=O)C4=CNC5=CC=CC=C54.O
- InChIKey
- QTFFGPOXNNGTGZ-RCSCTSIBSA-N
- InChI
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- Synonyms
- BAA87881 | Dalasetron (Mesylate hydrate) | rel-(5s,6R,8r,9aS)-3-Oxooctahydro-1H-2,6-methanoquinolizin-8-yl 1H-indole-...
- Domatinostat (4SC-202)10mM in DMSO● In Stock — US Item #: D426874View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- (E)-N-(2-aminophenyl)-3-[1-[4-(1-methylpyrazol-4-yl)phenyl]sulfonylpyrrol-3-yl]prop-2-enamide
- SMILES
- CN1C=C(C=N1)C2=CC=C(C=C2)S(=O)(=O)N3C=CC(=C3)C=CC(=O)NC4=CC=CC=C4N
- InChIKey
- PRXXYMVLYKJITB-IZZDOVSWSA-N
- InChI
- 1S/C23H21N5O3S/c1-27-16-19(14-25-27)18-7-9-20(10-8-18)32(30,31)28-13-12-17(15-28)6-11-23(29)26-22-5-3-2-4-21(22)24/h2-16H,24H2,1H3,(H,26,29)/b11-6+
- Synonyms
- DB13101 | DOMATINOSTAT [WHO-DD] | HY-16012A | 4SC202 | 4SC-202 | 4SC-202 (free base) | AS-77606 | A860619 | C3202 | D...
- Domperidone, Dopamine D2 receptor antagonistMoligand™ ? 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 Item #: D409098View ProductPricing & Pack Sizes
Technical Identifiers
- Synonyms
- 5-chloro-1-[1-[3-(2,3-dihydro-2-oxo-1H-benzimidazol-1-yl)propyl]-4-piperidinyl]-1,3-dihydro-2H-...
- Domperidone-d6CAS: 1329614-18-7 Formula: C22H18D6ClN5O2 Molecular Weight: 431.95● In Stock — US Item #: D354137View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 6-chloro-3-[1-[1,1,2,2,3,3-hexadeuterio-3-(2-oxo-3H-benzimidazol-1-yl)propyl]piperidin-4-yl]-1H-benzimidazol-2-one
- SMILES
- C1CN(CCC1N2C3=C(C=C(C=C3)Cl)NC2=O)CCCN4C5=CC=CC=C5NC4=O
- InChIKey
- FGXWKSZFVQUSTL-WIQKFUDUSA-N
- InChI
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- Synonyms
- 5-Chloro-1-[1-[3-(2,3-dihydro-2-oxo-1H-benzimidazol-1-yl)propyl]-4-piperidinyl]-1,3-dihydro-2H-benzimidazol-2-one-d6 ...
- Donafenib (Sorafenib D3)CAS: 1130115-44-4 Formula: C21H13D3ClF3N4O3 Molecular Weight: 467.84Moligand™ ? 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 Item #: D420672View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 4-[4-[[4-chloro-3-(trifluoromethyl)phenyl]carbamoylamino]phenoxy]-N-(trideuteriomethyl)pyridine-2-carboxamide
- SMILES
- CNC(=O)C1=NC=CC(=C1)OC2=CC=C(C=C2)NC(=O)NC3=CC(=C(C=C3)Cl)C(F)(F)F
- InChIKey
- MLDQJTXFUGDVEO-FIBGUPNXSA-N
- InChI
- show more
- Synonyms
- DTXSID90648995 | SCHEMBL3817 | s9621 | SCHEMBL14480690 | 2-Pyridinecarboxamide, 4-[4-[[[[4-chloro-3-(trifluoromethyl)...












