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A collection of antibiotics, bioactive molecules and signal transduction reagents to empower your research

Small molecules continue to be essential tools throughout the drug development lifecycle—from early-stage target identification and mechanistic studies, to lead optimization, preclinical validation, and even translational research. Their versatility and functional diversity make them indispensable in both hypothesis-driven research and phenotypic discovery.

 

Extended library files now include bioactives - Released September 2025

Bioactives in the drug discovery process

At Thermo Scientific, our compound collections—including bioactive molecules, antibiotics, and signal transduction molecules—are widely used across multiple phases of development. These libraries have been applied in both broad, exploratory studies and in highly targeted assays designed to probe specific pathways or disease mechanisms.

 

Rather than relying solely on large-scale, high-throughput screening campaigns, modern drug discovery increasingly adopts strategic compound selection—using smaller, curated libraries with known bioactivity or target relevance. This quality-over-quantity approach helps reduce costs, minimize false positives, and improve translational outcomes.

 

These molecules play a crucial role in developing therapeutics for oncology, where pathway-specific inhibitors are used to block tumor proliferation; for cardiovascular disease, where ion channel modulators and vasodilators are under investigation; in anti-infectives, where novel antibiotics address rising resistance; and for neurological disorders, where small molecules help elucidate complex neurochemical pathways and modulate neuronal function.

 

Whether you're mapping a signaling cascade, validating a novel drug target, or refining a lead compound, our small molecule tools are designed to provide high-impact data and accelerate decision-making across the full continuum of discovery and development.


Our solutions

Diverse

The Thermo Scientific Small Molecule Collection includes a highly curated and functionally diverse portfolio of bioactive compounds, antibiotics, and signal transduction molecules. These molecules are used not only in high-throughput screening, but also in mechanistic studies, target validation, and pathway analysis. Their application spans key therapeutic areas e.g. oncology, cardiovascular disease, anti-infectives, and neurological disorders and others.

Mechanism driven

Unlike traditional hit-like collections, these compounds are selected for their known or predicted biological activity and ability to modulate specific cellular targets or signaling pathways. Their structures are optimized to reflect real-world drug properties, enabling both exploratory research and translational development.

 

Reliable

These are high-quality, experimentally validated molecules designed for consistent performance across in vitro, cell-based, and early in vivo models. Whether probing cellular signaling in cancer or investigating antimicrobial resistance, researchers trust these libraries for reproducibility and actionable biological insights.


Features and benefits

Better data, faster

A focused yet functionally rich compound library improves the quality of data generated while reducing unnecessary complexity and cost.

Smarter discovery

Small molecules with validated bioactivity and drug-like properties increase the likelihood of success in early- and mid-stage discovery workflows.

Move forward, quickly

Enables faster progress from target engagement to lead optimization, while supporting diverse applications across therapeutic research fields.

Supports your research area

Whether you're studying cancer, heart disease, infections, or the brain, these molecules are ready to support your work from basic biology to preclinical development.


For Research Use Only. Not for use in diagnostic procedures.