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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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.
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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-Pyridin-3-yl-cyclopropylamine dihydrochloride◐ .Made to order · 8–12 wks Item #: P331545View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 1-pyridin-3-ylcyclopropan-1-amine
- SMILES
- C1CC1(C2=CN=CC=C2)N
- InChIKey
- NCKHUCRTBXQWHQ-UHFFFAOYSA-N
- InChI
- 1S/C8H10N2/c9-8(3-4-8)7-2-1-5-10-6-7/h1-2,5-6H,3-4,9H2
- Synonyms
- 1-pyridin-3-ylcyclopropan-1-amine | AKOS011972494 | 1-(3-Pyridinyl)cyclopropanamine | 1-(pyridin-3-yl)cyclopropanamin...
- 3,3'-Diaminodipropylamine(DPTA)Liquid ≥98%(GC)● In Stock — US warehouse, ships to EU* Item #: D155042View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- N'-(3-aminopropyl)propane-1,3-diamine
- SMILES
- C(CN)CNCCCN
- InChIKey
- OTBHHUPVCYLGQO-UHFFFAOYSA-N
- InChI
- 1S/C6H17N3/c7-3-1-5-9-6-2-4-8/h9H,1-8H2
- Synonyms
- 3,3'-Iminopropylamine | 4-04-00-01278 (Beilstein Handbook Reference) | Dipropylentriamin | Propylamine, 3,3'-iminobis...
- 2-Cyanotetrahydrofuran◐ .Made to order · 8–12 wks Item #: D302910View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- oxolane-2-carbonitrile
- SMILES
- C1CC(OC1)C#N
- InChIKey
- RZZIKHSWRWWPAN-UHFFFAOYSA-N
- InChI
- 1S/C5H7NO/c6-4-5-2-1-3-7-5/h5H,1-3H2
- Synonyms
- 2-Cyanotetrahydrofuran|14631-43-7|Tetrahydrofuran-2-carbonitrile|oxolane-2-carbonitrile|2-Furancarbonitrile, tetrahyd...
- 4-Bromo-N-(4-bromophenyl)-3-[[(phenylmethyl)amino]sulfonyl]benzamideSolid ≥98%(HPLC)● In Stock — US warehouse, ships to EU* Item #: B137570View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 3-(benzylsulfamoyl)-4-bromo-N-(4-bromophenyl)benzamide
- SMILES
- C1=CC=C(C=C1)CNS(=O)(=O)C2=C(C=CC(=C2)C(=O)NC3=CC=C(C=C3)Br)Br
- InChIKey
- SWKAVEUTKGKHSR-UHFFFAOYSA-N
- InChI
- 1S/C20H16Br2N2O3S/c21-16-7-9-17(10-8-16)24-20(25)15-6-11-18(22)19(12-15)28(26,27)23-13-14-4-2-1-3-5-14/h1-12,23H,13H2,(H,24,25)
- Synonyms
- 3-[(benzylamino)sulfonyl]-4-bromo-N-(4-bromophenyl)benzamide | AC-35367 | 3-(N-Benzylsulfamoyl)-4-bromo-N-(4-bromophe...
- 3-[2-(2-Aminoethoxy)ethoxy]-propanoic acidCAS: 791028-27-8 Formula: C7H15NO4 Molecular Weight: 177.2Liquid ≥98%● In Stock — US warehouse, ships to EU* Item #: A122168View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 3-[2-(2-aminoethoxy)ethoxy]propanoic acid
- SMILES
- C(COCCOCCN)C(=O)O
- InChIKey
- DEZXLFKSYRODPB-UHFFFAOYSA-N
- InChI
- 1S/C7H15NO4/c8-2-4-12-6-5-11-3-1-7(9)10/h1-6,8H2,(H,9,10)
- Synonyms
- H11015 | DTXSID401216018 | MFCD20926377 | A864917 | Amino-PEG2-COOH | AS-49350 | BCP19704 | AKOS022612554 | I<<-amine...
- 2-Diethylaminoethyl Hexanoate 2-Hydroxypropane-1,2,3-tricarboxylateCAS: 220439-24-7 Formula: C12H25NO2.C6H8O7 Molecular Weight: 407.46● In Stock — US warehouse, ships to EU* Item #: D303077View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 2-(diethylamino)ethyl hexanoate;2-hydroxypropane-1,2,3-tricarboxylic acid
- SMILES
- CCCCCC(=O)OCCN(CC)CC.C(C(=O)O)C(CC(=O)O)(C(=O)O)O
- InChIKey
- WSEXJHALMDNMRG-UHFFFAOYSA-N
- InChI
- 1S/C12H25NO2.C6H8O7/c1-4-7-8-9-12(14)15-11-10-13(5-2)6-3;7-3(8)1-6(13,5(11)12)2-4(9)10/h4-11H2,1-3H3;13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)
- Synonyms
- DA-6 citrate | 2-Hydroxypropane-1,2,3-tricarboxylic acid--2-(diethylamino)ethyl hexanoate (1/1) | 2-Diethylaminoethyl...
- (+)-AJ 76 hydrochlorideCAS: 85378-82-1 Formula: C15H23NO•HCl Molecular Weight: 269.81Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools.◐ .Made to order · 8–12 wks Item #: A287164View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- (1S,2R)-5-methoxy-1-methyl-N-propyl-1,2,3,4-tetrahydronaphthalen-2-amine;hydrochloride
- SMILES
- CCCNC1CCC2=C(C1C)C=CC=C2OC.Cl
- InChIKey
- KIRYNZFMOLYYQB-YECZQDJWSA-N
- InChI
- 1S/C15H23NO.ClH/c1-4-10-16-14-9-8-13-12(11(14)2)6-5-7-15(13)17-3;/h5-7,11,14,16H,4,8-10H2,1-3H3;1H/t11-,14+;/m0./s1
- Synonyms
- Q27133039 | (1S,2R)-cis-5-Methoxy-1-methyl-2-(N-propylamino)tetralin hydrochloride | SR-01000597840-1 | EX-A8000E | c...
- (+)-UH 232 maleate◐ .Made to order · 8–12 wks Item #: U287895View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- (Z)-but-2-enedioic acid;(1S,2R)-5-methoxy-1-methyl-N,N-dipropyl-1,2,3,4-tetrahydronaphthalen-2-amine
- SMILES
- CCCN(CCC)C1CCC2=C(C1C)C=CC=C2OC.C(=CC(=O)O)C(=O)O
- InChIKey
- MEQAJDYHKYAPJE-GUUGRXDUSA-N
- InChI
- show more
- Synonyms
- cis-(+)-5-Methoxy-1-methyl-2-(di-N-propylamino)tetralin maleate
- (+)-Warfarin sodium salt◐ .Made to order · 8–12 wks Item #: W275093View ProductPricing & Pack Sizes
Technical Identifiers
- Synonyms
- 4-Hydroxy-3-[(1R)-3-oxo-1-phenylbutyl]chromen-2-onesodiumsalt
- (1-Methyl-1H-imidazol-4-yl)methanolCAS: 17289-25-7 Formula: C5H8N2O Molecular Weight: 112.13● In Stock — US warehouse, ships to EU* Item #: M305172View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- (1-methylimidazol-4-yl)methanol
- SMILES
- CN1C=C(N=C1)CO
- InChIKey
- NLEAEGDBKRBJAP-UHFFFAOYSA-N
- InChI
- 1S/C5H8N2O/c1-7-2-5(3-8)6-4-7/h2,4,8H,3H2,1H3
- Synonyms
- AM803338 | Z1137167436 | SY020882 | NLEAEGDBKRBJAP-UHFFFAOYSA-N | W-206046 | MFCD06738905 | BB 0260520 | 1-Methyl-4-i...
- (-)-Bicuculline methochlorideCAS: 53552-05-9 Formula: C21H20ClNO6 Molecular Weight: 417.84◐ .Made to order · 8–12 wks Item #: B275243View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- (6S)-6-[(5R)-6,6-dimethyl-7,8-dihydro-5H-[1,3]dioxolo[4,5-g]isoquinolin-6-ium-5-yl]-6H-furo[3,4-g][1,3]benzodioxol-8-one;chloride
- SMILES
- C[N+]1(CCC2=CC3=C(C=C2C1C4C5=C(C6=C(C=C5)OCO6)C(=O)O4)OCO3)C.[Cl-]
- InChIKey
- RLJKFAMYSYWMND-VOMIJIAVSA-M
- InChI
- show more
- Synonyms
- d-Bicuculline (methochloride) | (a^?-Bicuculline methochloride | (6S)-6-[(5R)-6,6-dimethyl-7,8-dihydro-5H-[1,3]dioxol...
- 3'-(diethylamino)-7'-(phenylamino)-3H-spiro[2-benzofuran-1,9'-xanthen]-3-oneCAS: 29512-46-7 Formula: C30H26N2O3 Molecular Weight: 462.539◐ .Made to order · 8–12 wks Item #: H303351View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 2'-anilino-6'-(diethylamino)spiro[2-benzofuran-3,9'-xanthene]-1-one
- SMILES
- CCN(CC)C1=CC2=C(C=C1)C3(C4=CC=CC=C4C(=O)O3)C5=C(O2)C=CC(=C5)NC6=CC=CC=C6
- InChIKey
- SVTBGPICDZDBFU-UHFFFAOYSA-N
- InChI
- 1S/C30H26N2O3/c1-3-32(4-2)22-15-16-25-28(19-22)34-27-17-14-21(31-20-10-6-5-7-11-20)18-26(27)30(25)24-13-9-8-12-23(24)29(33)35-30/h5-19,31H,3-4H2,1-2H3
- Synonyms
- 29512-46-7|6'-(diethylamino)-2'-(phenylamino)spiro[isobenzofuran-1(3H),9'-[9H]xanthene]-3-one|Spiro[isobenzofuran-1(3...




![4-Bromo-N-(4-bromophenyl)-3-[[(phenylmethyl)amino]sulfonyl]benzamide - ≥98%(HPLC) CAS No(312756-74-4) by Aladdin Scientific](https://www.aladdinsci.com/media/catalog/product/cache/6360e336b2a70951114dbd37294096ee/B/1/B137570.png)
![3-[2-(2-Aminoethoxy)ethoxy]-propanoic acid - ≥98% CAS No(791028-27-8) by Aladdin Scientific](https://www.aladdinsci.com/media/catalog/product/cache/6360e336b2a70951114dbd37294096ee/A/1/A122168.png)






![3'-(diethylamino)-7'-(phenylamino)-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one - ≥95% CAS No(29512-46-7) by Aladdin Scientific](https://www.aladdinsci.com/media/catalog/product/cache/6360e336b2a70951114dbd37294096ee/H/3/H303351.png)