News & Announcements

​Cayman Compound Libraries

Article from 2021-06-18


Updated March 2025

Small molecule screening libraries for cell biology, drug discovery, and drug identification

Cayman offers a unique set of compound libraries, rich in biologically active molecules, useful for screening and hit-seeking for diverse therapeutic targets. The content of each library is carefully selected from the large collection of small molecules in the Cayman catalog. Each panel is competitively priced with Cayman’s mission in mind to provide affordable, high-quality compounds to help make research possible.

Advantages of Cayman Compound Libraries

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Careful Curation

Each panel offers a curated set of compounds focused to the stated purpose of the library with balanced representation across targets when applicable. Our knowledgeable scientists search for highly active, cell-permeable compounds in peer-reviewed literature and within databases such as IUPHAR and the Chemical Probes Portal. Each compound selected for the library meets the solubility, potency, selectivity, and activity criteria established for target validation and early-stage drug discovery. Panels are routinely re-evaluated to include new catalog introductions as the research evolves.

Competitive Pricing

Our curation process allows us to keep our prices low. Many other companies offer compound libraries in the thousands of compounds, with a price tag to match. Cayman's highly focused screening libraries are expertly edited to eliminate redundancies and hit the maximum number of meaningful cellular targets with the minimum number of compounds. This concise design expedites your screening efforts, allowing you to carry on with your research quickly.

Convenient Format

These compounds are prepared in an anhydrous environment and packaged in a 96-well Matrix™ tube rack format as 0.1-10 mM stock solutions in 100% DMSO (unless otherwise indicated) according to industry standards for high-throughput screening. Each library comes with full documentation, including plate maps, targets (when applicable), and references to individual product pages that share full structural and biological information.

Hit Compound Availability

Individual compounds are available for purchase when follow-up experiments are warranted.

Library Customization

Library compilations can be customized to your specifications. Ask our in-house chemists to synthesize novel, drug-like, and/or lead-like screening compounds or choose from our large selection of small molecule inhibitors. Our experts can help you to create a focused group of compounds using the solvent formulation that works best for your application.

Choose from Multiple Screening Panels

Plates come preloaded with a diverse range of compounds. Browse the libraries below and visit the links to download a full list of targets (where applicable) and a map of contents of each well.


Anti-Inflammatory Agents

~235 compounds

Contents include:
  • Pro-inflammatory cytokine production inhibitors 
  • Macrophage and T cell activation inhibitors
  • Cytokine storm receptor signaling inhibitors
  • NLRP3 inflammasome inhibitors
  • NF-κB signaling inhibitors
  • Canonical and non-canonical inflammatory kinase signaling pathway inhibitors
  • Corticosteroids and glucocorticoids
  • COX-1/-2, 5-LO, mPGES-1, cPLA2, and sEH inhibitors
  • NETosis, coagulation, and platelet aggregation-related enzyme and receptor modulators


Antivirals

>410 compounds

Targets include HIV, HBV, HCV, influenza, HSV, coronaviruses, as well as malaria.
Contents include:
  • HIV reverse transcriptase, protease, and integrase inhibitors
  • RNA-dependent RNA polymerase inhibitors
  • HCV nonstructural protein inhibitors

Autophagy

>150 compounds

Contents include:
  • mTOR, PI3K, LRRK2, and Aurora kinase inhibitors
  • HDAC inhibitors
  • Protease inhibitors
  • Calcium channel blockers
  • p53 and AMPK modulators
  • Vps34 inhibitors

Cell Death

~152 compounds

Contents include inducers and inhibitors of multiple cell death pathways:
  • Apoptosis
  • Autophagy-dependent cell death
  • Lysosome-dependent cell death
  • Entotic cell death
  • Ferroptosis
  • Necroptosis
  • NETosis
  • Oxeiptosis
  • Parthanatos
  • Pyroptosis


Cellular Metabolism

~160 compounds

Contents include modulators of:
  • Glycolysis
  • Pentose phosphate pathway
  • Citric acid cycle
  • Nucleotide and lipid metabolism
  • Oxidative phosphorylation
  • Redox homeostasis

Epigenetic Modulators

>140 compounds

Contents include modulators of:
  • Methyltransferases
  • Demethylases
  • Histone acetyltransferases
  • Histone deacetylases
  • Acetylated histone binding proteins

FDA-Approved Drugs

~875 compounds

Contents include:
  • Antidiabetic drugs
  • Antiseizure drugs
  • Antipsychotics
  • Antibiotics
  • Antiviral agents
  • Non-steroidal anti-inflammatory drugs (NSAIDs)
  • Chemotherapeutics
An Off-Patent Drug Screening Library containing ~607 FDA-approved compounds that are no longer covered under composition-of-matter patents in the United States is also available.


Immuno-Oncology Target Modulators

>90 compounds

Contents include:
  • Adenosine agonists and antagonists
  • CCR agonists and antagonists
  • CXCR agonists and antagonists
  • TLR agonists and antagonists
  • BTK inhibitors
  • PI3K inhibitors
  • VEGFR inhibitors
  • B-RAF inhibitors
  • PD-1/PD-L1 interaction inhibitors
  • HDAC inhibitors

Kinases

~160 compounds

Targets include:
  • ROCK
  • Activin-like kinase (ALK)
  • GSK3
  • PKC
  • PDGFR
  • VEGFR
  • Src
  • MAPK
  • CDK
  • PI3K inhibitors

A Comprehensive Kinase Screening Library with greater coverage of individual kinases, kinase isoforms and mutants, and kinase families is also available containing >850 kinase inhibitors.



Microbiome Metabolites

~140 compounds

Contents include a variety of microbiome metabolites such as:
  • Indole-3-propionic acid
  • L-Kynurenine
  • Spermidine
  • Ellagic acid
  • Kaempferol
  • Quinine


Natural Products

~1,640 compounds

Contents include a wide range of natural products, including:
  • Paclitaxel
  • Digitoxin
  • Artemisinin
  • Caffeine
  • Ginsenosides
  • Penicillins

Pesticide Compound Library

Pesticides

~174 compounds

Contents include a variety of pesticide-associated compounds such as:
  • Avermectin B1a
  • Herbicidin A
  • Acephate
  • o,p'-DDT
  • Methiocarb
  • Ginkgoneolic acid

Stem Cell Modulators

>140 compounds

Contents include:
  • Differentiation inducers
  • Self-renewal and proliferation maintainers
  • Reprogramming efficiency enhancers


Terpenes

~95 compounds

Contents include many aromatic compounds such as:
  • (±)-Limonene
  • (±)-Linalool
  • β-Caryophyllene
  • α- and β-Pinene
  • Eucalyptol
  • Nerolidol
  • α-Humulene
  • (±)-Camphene
  • (+)-Borneol
  • Terpineol
  • (+)-Valencene

Lipid Screening


Bio-Active Lipids

Library I: >820 compounds
Library II: >190 compounds

Library I contents include:
  • Prostaglandins
  • Thromboxanes
  • Cannabinoids
  • D-myo-Inositol-phosphates
  • Phosphatidylinositol-phosphates
  • Sphingolipids
  • Inhibitors
  • Receptor agonists and antagonists
  • Ceramide derivatives
  • Other complex PUFAs
Library II contents include:
  • Prostaglandins
  • Isoprostanes
  • Thromboxanes
  • Leukotrienes
  • Lipoxins
  • Other complex PUFAs

D-myo-Inositol Phosphates

>37 compounds

Contents include a variety of D-myo-inositol phosphates, including:
  • D-myo-Inositol-1,4,5-triphosphate
  • D-myo-Inositol-1,4,5,6-tetraphosphate
  • D-myo-Inositol-1,2,3,4,5,6-hexaphosphate
  • D-myo-Inositol-1,4-diphosphate

Fatty Acids

>75 compounds

Contents include both common and unusual fatty acids such as:
  • Arachidonic acid
  • Linoleic acid
  • Eicosapentaenoic acid
  • Stearic acid
  • α-Linolenic acid
  • γ-Linolenic acid
  • Oleic acid
  • Palmitic acid
  • 9-Thiastearic acid
  • 2-Hydroxymyristic acid
  • AUDA
  • CUDA

Prostaglandins

Library I: >70 compounds
Library II: >60 compounds
Library III: >75 compounds

Library I contents include:
  • F-series prostaglandins and isoprostanes
Library II contents include:
  • D- and E-series prostaglandins
Library III contents include:
  • A- and J-series prostaglandins
  • Thromboxanes
  • Lactones
  • Stable PGH
  • Prostacyclin mimics
  • Metabolites
  • Potent PGA and PGJ analogs

Custom Discovery


BIONET Fragment Screening Libraries

Premium Library: >1,108 fragments
PROTAC Library: >658 fragments
Fluorine Library: >533 fragments

In collaboration with Key Organics, Cayman now offers BIONET Fragment Libraries for drug discovery. Each library contain aqueous soluble fragments and a complete data package rapidly to rapidly build fragment pools and initiate screening.

Each library is available in both dry and DMSO formats.

Custom Library

Tailor a library to your exact requirements

Design options:
  • Add or remove compounds
  • Select solvent and desired concentration
  • Remove solvent (neat)
  • Request bar-coded vials
  • Request bulk quantity or specific size.

Make our experts an extension of your scientific staff

Activity Screening

We perform activity screening using your compounds, or our compound libraries, in biochemical or functional assays. Send us your samples—we’ll run the assays and deliver a professional report with results you can trust. Learn more.

Medicinal Chemistry & Structure-Based Drug Design

Whether it’s lead generation or optimization, route and methods development, screening, or scale-up, our scientists have the expertise and technology to bring your drug discovery program through pre-clinical stages of development. Learn more.


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