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
Browse by type, application, or key specifications such as purity, grade, packaging, and handling requirements.
136,965 products
Shop by category
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
- GSK360ACAS: 931399-19-8 Formula: C17H17FN2O5 Molecular Weight: 348.33Solid Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥98%◐ .Made to order · 8–12 wks Item #: G339111View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 2-[[1-(2-cyclopropylethyl)-6-fluoro-4-hydroxy-2-oxoquinoline-3-carbonyl]amino]acetic acid
- SMILES
- C1CC1CCN2C3=C(C=C(C=C3)F)C(=C(C2=O)C(=O)NCC(=O)O)O
- InChIKey
- TYHRZQVUPPODPT-UHFFFAOYSA-N
- InChI
- 1S/C17H17FN2O5/c18-10-3-4-12-11(7-10)15(23)14(16(24)19-8-13(21)22)17(25)20(12)6-5-9-1-2-9/h3-4,7,9,23H,1-2,5-6,8H2,(H,19,24)(H,21,22)
- Synonyms
- 2-[[1-(2-cyclopropylethyl)-6-fluoro-4-hydroxy-2-oxoquinoline-3-carbonyl]amino]acetic acid | DTXSID10715754 | GSK360A ...
- ADL5859 HClCAS: 850173-95-4 Formula: C24H28N2O3·HCl Molecular Weight: 428.96● In Stock — US warehouse, ships to EU* Item #: A127848View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- N,N-diethyl-4-(5-hydroxyspiro[chromene-2,4'-piperidine]-4-yl)benzamide;hydrochloride
- SMILES
- CCN(CC)C(=O)C1=CC=C(C=C1)C2=CC3(CCNCC3)OC4=CC=CC(=C42)O.Cl
- InChIKey
- ZFNLSWREIULTDO-UHFFFAOYSA-N
- InChI
- 1S/C24H28N2O3.ClH/c1-3-26(4-2)23(28)18-10-8-17(9-11-18)19-16-24(12-14-25-15-13-24)29-21-7-5-6-20(27)22(19)21;/h5-11,16,25,27H,3-4,12-15H2,1-2H3;1H
- Synonyms
- EX-8608 | SW219439-1 | MLS006010290 | DTXSID20677374 | MFCD17215194 | 850173-95-4 (ADL 5859 HCl) | FT-0719997 | J-523...
- ADX 10059 hydrochlorideCAS: 757949-98-7 Formula: C15H13FN2•HCl Molecular Weight: 276.73◐ .Made to order · 8–12 wks Item #: A288223View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 2-[2-(3-fluorophenyl)ethynyl]-4,6-dimethylpyridin-3-amine;hydrochloride
- SMILES
- CC1=CC(=NC(=C1N)C#CC2=CC(=CC=C2)F)C.Cl
- InChIKey
- BDXXMGYKLQZXOU-UHFFFAOYSA-N
- InChI
- 1S/C15H13FN2.ClH/c1-10-8-11(2)18-14(15(10)17)7-6-12-4-3-5-13(16)9-12;/h3-5,8-9H,17H2,1-2H3;1H
- Synonyms
- Raseglurant | 2-[(3-Fluorophenyl)ethynyl]-4,6-dimethyl-3-pyridinamine hydrochloride
- AcegastrodineCAS: 64291-41-4 Formula: C21H26O11 Molecular Weight: 454.43Solid Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥97%◐ .Made to order · 8–12 wks Item #: A304259View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- [(2R,3R,4S,5R,6S)-3,4,5-triacetyloxy-6-[4-(hydroxymethyl)phenoxy]oxan-2-yl]methyl acetate
- SMILES
- CC(=O)OCC1C(C(C(C(O1)OC2=CC=C(C=C2)CO)OC(=O)C)OC(=O)C)OC(=O)C
- InChIKey
- HGUDVDQXCUHOED-YMQHIKHWSA-N
- InChI
- show more
- Synonyms
- 4-(Hydroxymethyl)phenyl-beta-Dglucopyranoside tetraacetate | b-D-Glucopyranoside, 4-(hydroxymethyl)phenyl, 2,3,4,6-te...
- [4-(3,5-Dichlorophenyl)phenyl]methylamine hydrochloride● In Stock — US warehouse, ships to EU* Item #: D355989View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- [4-(3,5-dichlorophenyl)phenyl]methanamine;hydrochloride
- SMILES
- C1=CC(=CC=C1CN)C2=CC(=CC(=C2)Cl)Cl.Cl
- InChIKey
- DXTVPISDIGCIAG-UHFFFAOYSA-N
- InChI
- 1S/C13H11Cl2N.ClH/c14-12-5-11(6-13(15)7-12)10-3-1-9(8-16)2-4-10;/h1-7H,8,16H2;1H
- Synonyms
- A912862 | 4-(3,5-DICHLOROPHENYL)BENZYLAMINE HCL | (4-(3,5-dichlorophenyl)phenyl)methylamine hcl | [4-(3,5-dichlorophe...
- [4-(6-Formylpyridin-2-yl)phenyl]carbamic acid tert-butyl esterCAS: 834884-86-5 Formula: C17H18N2O3 Molecular Weight: 298.3● In Stock — US warehouse, ships to EU* Item #: F355976View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- tert-butyl N-[4-(6-formylpyridin-2-yl)phenyl]carbamate
- SMILES
- CC(C)(C)OC(=O)NC1=CC=C(C=C1)C2=CC=CC(=N2)C=O
- InChIKey
- UKAPEGUQXJZYQQ-UHFFFAOYSA-N
- InChI
- 1S/C17H18N2O3/c1-17(2,3)22-16(21)19-13-9-7-12(8-10-13)15-6-4-5-14(11-20)18-15/h4-11H,1-3H3,(H,19,21)
- Synonyms
- AKOS015960181 | [4-(6-FORMYLPYRIDIN-2-YL)PHENYL]CARBAMIC ACID TERT-BUTYL ESTER | MFCD07776852 | Z2044820897 | TERT-BU...
- AF 64394CAS: 1637300-25-4 Formula: C21H20ClN5O Molecular Weight: 393.87● In Stock — US warehouse, ships to EU* Item #: A288554View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- N-[(4-chloro-2-propan-2-yloxyphenyl)methyl]-5-phenyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine
- SMILES
- CC(C)OC1=C(C=CC(=C1)Cl)CNC2=CC(=NC3=NC=NN23)C4=CC=CC=C4
- InChIKey
- WBYNZQXAAWPAGR-UHFFFAOYSA-N
- InChI
- 1S/C21H20ClN5O/c1-14(2)28-19-10-17(22)9-8-16(19)12-23-20-11-18(15-6-4-3-5-7-15)26-21-24-13-25-27(20)21/h3-11,13-14,23H,12H2,1-2H3
- Synonyms
- N-[[4-Chloro-2-(1-methylethoxy)phenyl]methyl]-5-phenyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine
- Fibrinopeptide B, human● In Stock — US warehouse, ships to EU* Item #: F118924View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- show more
- SMILES
- show more
- InChIKey
- MYRIFIVQGRMHRF-OECXYHNASA-N
- InChI
- show more
- Synonyms
- FPB,human TFA | Fibrinopeptide B human | Fibrinopeptide B | Fibrinopeptide B (human) | Fibrinopeptide B, human | FPB,...
- Acetyl-4-chloro-D-phenylalanineCAS: 135270-40-5 Formula: C11H12ClNO3 Molecular Weight: 241.67● In Stock — US warehouse, ships to EU* Item #: A354235View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- (2R)-2-acetamido-3-(4-chlorophenyl)propanoic acid
- SMILES
- CC(=O)NC(CC1=CC=C(C=C1)Cl)C(=O)O
- InChIKey
- HLORMWAKCPDIPU-SNVBAGLBSA-N
- InChI
- 1S/C11H12ClNO3/c1-7(14)13-10(11(15)16)6-8-2-4-9(12)5-3-8/h2-5,10H,6H2,1H3,(H,13,14)(H,15,16)/t10-/m1/s1
- Synonyms
- Acetyl-4-chloro-D-phenylalanine | (R)-2-acetamido-3-(4-chlorophenyl)propanoicacid | Ac-p-chloro-D-Phe-OH | N-Acetyl-D...
- Acetyl-4-iodo-D-phenylalanineCAS: 201351-59-9 Formula: C11H12INO3 Molecular Weight: 333.12● In Stock — US warehouse, ships to EU* Item #: A354221View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- (2R)-2-acetamido-3-(4-iodophenyl)propanoic acid
- SMILES
- CC(=O)NC(CC1=CC=C(C=C1)I)C(=O)O
- InChIKey
- RTVNNJWKXVLALU-SNVBAGLBSA-N
- InChI
- 1S/C11H12INO3/c1-7(14)13-10(11(15)16)6-8-2-4-9(12)5-3-8/h2-5,10H,6H2,1H3,(H,13,14)(H,15,16)/t10-/m1/s1
- Synonyms
- DTXSID201304069 | (R)-2-Acetamido-3-(4-iodophenyl)propanoicacid | AKOS027250992 | (2R)-2-acetamido-3-(4-iodophenyl)pr...
- BGT226 (NVP-BGT226) maleate, PI3-kinase class I inhibitorCAS: 1245537-68-1 Formula: C28H25F3N6O2.C4H4O4 Molecular Weight: 650.6● In Stock — US warehouse, ships to EU* Item #: N125612View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- (Z)-but-2-enedioic acid;8-(6-methoxypyridin-3-yl)-3-methyl-1-[4-piperazin-1-yl-3-(trifluoromethyl)phenyl]imidazo[4,5-c]quinolin-2-one
- SMILES
- CN1C2=CN=C3C=CC(=CC3=C2N(C1=O)C4=CC(=C(C=C4)N5CCNCC5)C(F)(F)F)C6=CN=C(C=C6)OC.C(=CC(=O)O)C(=O)O
- InChIKey
- YUXMAKUNSXIEKN-BTJKTKAUSA-N
- InChI
- show more
- Synonyms
- SCHEMBL996046 | BGT226 maleate | BGT-226 maleate | BGT226 (NVP-BGT226) | Di-2-thienyl ketone; Bis(2-thienyl)ketone~Di...
- [4-(4-Fluorophenyl)phenyl]methylamine hydrochloride● In Stock — US warehouse, ships to EU* Item #: F355987View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- [4-(4-fluorophenyl)phenyl]methanamine;hydrochloride
- SMILES
- C1=CC(=CC=C1CN)C2=CC=C(C=C2)F.Cl
- InChIKey
- IZUWYHXAARRMGW-UHFFFAOYSA-N
- InChI
- 1S/C13H12FN.ClH/c14-13-7-5-12(6-8-13)11-3-1-10(9-15)2-4-11;/h1-8H,9,15H2;1H
- Synonyms
- (4'-fluorobiphenyl-4-yl)methanamine hydrochloride | c-(4'-fluorobiphenyl-4-yl)methylamine HCl | 4-(4-Fluorophenylbenz...
![[4-(3,5-Dichlorophenyl)phenyl]methylamine hydrochloride](https://www.aladdinsci.com/media/catalog/product/cache/6360e336b2a70951114dbd37294096ee/D/3/D355989.png)
![[4-(6-Formylpyridin-2-yl)phenyl]carbamic acid tert-butyl ester - 97%, used for , CAS No. 834884-86-5, by Aladdin Scientific](https://www.aladdinsci.com/media/catalog/product/cache/6360e336b2a70951114dbd37294096ee/F/3/F355976.png)
![[4-(4-Fluorophenyl)phenyl]methylamine hydrochloride](https://www.aladdinsci.com/media/catalog/product/cache/6360e336b2a70951114dbd37294096ee/F/3/F355987.png)
Fast Shipping Same-day shipping on in-stock items
Technical Details Quality & specification info on every product page
Pack Size Options Multiple packaging sizes with pricing access from listing
R&D Use Only Products supplied for research and development use
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.