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
24,642Navigate 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
102,635Explore 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)
19,700Find 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 (where available)—to build screening and validation sets.
By Disease (DOID)
8,782Shop 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.
Popular Products
- MPP dihydrochlorideCAS: 911295-24-4 EC Number: 636-682-7 PubChem CID: 135541421 Formula: C29H31N3O3.2HCl Molecular Weight: 542.5● In Stock — US warehouse, ships to EU* Item #: M288006View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 4-[1-(4-hydroxyphenyl)-4-methyl-5-[4-(2-piperidin-1-ylethoxy)phenyl]pyrazol-3-yl]phenol;dihydrochloride
- SMILES
- CC1=C(N(N=C1C2=CC=C(C=C2)O)C3=CC=C(C=C3)O)C4=CC=C(C=C4)OCCN5CCCCC5.Cl.Cl
- InChIKey
- FWDNPWVVRVSJQH-UHFFFAOYSA-N
- InChI
- show more
- Synonyms
- AKOS024456896 | SR-01000597961 | MPP dihydrochloride hydrate, >=97% (HPLC), white powder | MS-29985 | SCHEMBL17332059...
- 8-Bromo-3,4-dihydro-2H-naphthalen-1-oneCAS: 651735-60-3 Formula: C10H9BrO Molecular Weight: 225.08● In Stock — US warehouse, ships to EU* Item #: B344494View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 8-bromo-3,4-dihydro-2H-naphthalen-1-one
- SMILES
- C1CC2=C(C(=O)C1)C(=CC=C2)Br
- InChIKey
- DIYWCGZFCFYCIE-UHFFFAOYSA-N
- InChI
- 1S/C10H9BrO/c11-8-5-1-3-7-4-2-6-9(12)10(7)8/h1,3,5H,2,4,6H2
- Synonyms
- SB38135 | 1(2H)-Naphthalenone, 8-bromo-3,4-dihydro- | SY258037 | 8-bromo-1-tetralone | EN300-1072780 | SCHEMBL5238902...
- MRS 2179 tetrasodium saltCAS: 1454889-37-2 Formula: C11H13N5O9P2Na4 Molecular Weight: 513.16◐ .Made to order · 8–12 wks Item #: M286578View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- tetrasodium;[(2R,3S,5S)-5-[6-(methylamino)purin-9-yl]-2-(phosphonatooxymethyl)oxolan-3-yl] phosphate
- SMILES
- CNC1=C2C(=NC=N1)N(C=N2)C3CC(C(O3)COP(=O)([O-])[O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+].[Na+]
- InChIKey
- XLPQPYQWGFCKEY-IDAKGYGSSA-J
- InChI
- show more
- Synonyms
- 2'-Deoxy-N6-methyladenosine 3',5'-bisphosphate tetrasodium salt
- Vinblastine sulfate, Tubulin inhibitorCAS: 143-67-9 EC Number: 205-606-0 PubChem CID: 241902 Formula: C46H58N4O9·H2SO4 Molecular Weight: 909.05● In Stock — US warehouse, ships to EU* Item #: V100993View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
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- SMILES
- CCC1(CC2CC(C3=C(CCN(C2)C1)C4=CC=CC=C4N3)(C5=C(C=C6C(=C5)C78CCN9C7C(C=CC9)(C(C(C8N6C)(C(=O)OC)O)OC(=O)C)CC)OC)C(=O)OC)O.OS(=O)(=O)O
- InChIKey
- KDQAABAKXDWYSZ-JKDPCDLQSA-N
- InChI
- show more
- Synonyms
- V1193 | Vinblastine, hydrate | CHEBI:9984 | Q27108547 | AKOS024456494 | HMS3676C14 | Belvan, VLB | Vinblastine 5 | Vi...
- Nylon 6/10CAS: 9008-66-6pellets● In Stock — Germany Item #: N304903View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- decanedioic acid;hexane-1,6-diamine
- SMILES
- C(CCCCC(=O)O)CCCC(=O)O.C(CCCN)CCN
- InChIKey
- YWJUZWOHLHBWQY-UHFFFAOYSA-N
- InChI
- 1S/C10H18O4.C6H16N2/c11-9(12)7-5-3-1-2-4-6-8-10(13)14;7-5-3-1-2-4-6-8/h1-8H2,(H,11,12)(H,13,14);1-8H2
- Synonyms
- Hexamethylenediamine sebacate|6422-99-7|9011-52-3|decanedioic acid;hexane-1,6-diamine|9008-66-6|62G464KX7Q|Nylon 6/10...
- 8-Benzyloxy-imidazo[1,2-a]pyridineCAS: 96428-16-9 Formula: C14H12N2O Molecular Weight: 224.26● In Stock — US warehouse, ships to EU* Item #: B344535View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 8-phenylmethoxyimidazo[1,2-a]pyridine
- SMILES
- C1=CC=C(C=C1)COC2=CC=CN3C2=NC=C3
- InChIKey
- LDJVMJRATISVRW-UHFFFAOYSA-N
- InChI
- 1S/C14H12N2O/c1-2-5-12(6-3-1)11-17-13-7-4-9-16-10-8-15-14(13)16/h1-10H,11H2
- Synonyms
- 8-benzyloxy-imidazo[1,2-alpha]pyridine | AKOS005071389 | 8-phenylmethoxyimidazo[1,2-a]pyridine | IMIDAZO[1,2-A]PYRIDI...
- MRS 1334CAS: 192053-05-7 Formula: C31H26N2O6 Molecular Weight: 522.56◐ .Made to order · 8–12 wks Item #: M287988View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 3-O-ethyl 5-O-[(4-nitrophenyl)methyl] 2-methyl-6-phenyl-4-(2-phenylethynyl)-1,4-dihydropyridine-3,5-dicarboxylate
- SMILES
- CCOC(=O)C1=C(NC(=C(C1C#CC2=CC=CC=C2)C(=O)OCC3=CC=C(C=C3)[N+](=O)[O-])C4=CC=CC=C4)C
- InChIKey
- QFLOJAMZLQXHFS-UHFFFAOYSA-N
- InChI
- show more
- Synonyms
- 1,4-Dihydro-2-methyl-6-phenyl-4-(phenylethynyl)-3,5-pyridinedicarboxylic acid 3-ethyl-5-[(3-nitrophenyl)methyl] ester
- Di-t-butoxydiacetoxy silane● In Stock — US warehouse, ships to EU* Item #: D302375View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- [acetyloxy-bis[(2-methylpropan-2-yl)oxy]silyl] acetate
- SMILES
- CC(=O)O[Si](OC(=O)C)(OC(C)(C)C)OC(C)(C)C
- InChIKey
- OPARTXXEFXPWJL-UHFFFAOYSA-N
- InChI
- 1S/C12H24O6Si/c1-9(13)15-19(16-10(2)14,17-11(3,4)5)18-12(6,7)8/h1-8H3
- Synonyms
- 13170-23-5|di-t-butoxydiacetoxysilane|Di-tert-butoxydiacetoxysilane|Silane, di(tert-butoxy)diacetoxy-|[acetyloxy-bis[...
- DexamethasoneSolid ≥98%● In Stock — US warehouse, ships to EU* Item #: D137736View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- show more
- SMILES
- CC1CC2C3CCC4=CC(=O)C=CC4(C3(C(CC2(C1(C(=O)CO)O)C)O)F)C
- InChIKey
- UREBDLICKHMUKA-CXSFZGCWSA-N
- InChI
- show more
- Synonyms
- Dexadeltone | OTO-104 | Decasone | Hexadrol Tablets | Dexametasone | Dexameth | Dexinolon | Dexinoral | (3H)-Dexameth...
- Dianicline, Neuronal acetylcholine receptor; alpha4/beta2 partial agonistCAS: 292634-27-6 Formula: C₁₃H₁₆N₂O•₂HCl Molecular Weight: 289.2◐ .Made to order · 8–12 wks Item #: D287482View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- (1R,10S)-9-oxa-4,13-diazatetracyclo[11.2.1.01,10.03,8]hexadeca-3(8),4,6-triene
- SMILES
- C1CN2CCC3(C2)C1OC4=C(C3)N=CC=C4
- InChIKey
- SUPRUPHAEXPGPF-QWHCGFSZSA-N
- InChI
- 1S/C13H16N2O/c1-2-11-10(14-5-1)8-13-4-7-15(9-13)6-3-12(13)16-11/h1-2,5,12H,3-4,6-9H2/t12-,13+/m0/s1
- Synonyms
- Y0SNM34C6O | SSR591813L | SCHEMBL2354672 | Dianicline dihydrochloride | Q5271647 | UNII-Y0SNM34C6O | (1R,10S)-9-oxa-4...
- Diastovaricin I◐ .Made to order · 8–12 wks Item #: D274827View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- show more
- SMILES
- CC1C=CC=CC=CC(=O)NC2=C(C3=C(C(=C(C(=C3)C)O)C(=O)C(=CC(C(C(C=CC(CC=C(C(=O)CC1O)C)O)C)O)C)C)C(=O)C2=O)O
- InChIKey
- VMGZUMXAOXKLLT-UHFFFAOYSA-N
- InChI
- show more
- Synonyms
- (4E,6Z)-30-Dechloro-2-demethyl-30-hydroxynaphthomycinA
- Diatrizoic acidSolid Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥98%● In Stock — US warehouse, ships to EU* Item #: D124786View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 3,5-diacetamido-2,4,6-triiodobenzoic acid
- SMILES
- CC(=O)NC1=C(C(=C(C(=C1I)C(=O)O)I)NC(=O)C)I
- InChIKey
- YVPYQUNUQOZFHG-UHFFFAOYSA-N
- InChI
- 1S/C11H9I3N2O4/c1-3(17)15-9-6(12)5(11(19)20)7(13)10(8(9)14)16-4(2)18/h1-2H3,(H,15,17)(H,16,18)(H,19,20)
- Synonyms
- Urothrast | Diat | (Diacetyldiamine)triiodobenzoate | AB00979425_02 | AMIDOTRIZOIC ACID [MART.] | DIATRIZOIC ACID [US...
![8-Benzyloxy-imidazo[1,2-a]pyridine - 97%, used for , CAS No. 96428-16-9, by Aladdin Scientific](https://www.aladdinsci.com/media/catalog/product/cache/6360e336b2a70951114dbd37294096ee/B/3/B344535.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.