Chemical vendors
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CHEMICAL VENDORSWe will sell your products worldwide more efficiently with our global network of suppliers and partners. By partnering with ChemDiv, you gain access to over 3,500 pharmaceutical, biotech, and academic clients around the world.
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About us
ChemDiv has been a pioneer in discovery libraries since 1991. Its first diverse heterocyclic compounds collection was compiled from academic lab sources from all over the world, and ChemDiv subsequently successfully launched its own large-scale library synthesis program.
ChemDiv is now the recognized global leader in discovery chemistry with the industry’s largest, most diverse, and most pharmacologically-relevant commercial collection of over 1,600,000 individually crafted, lead-like, drug-like small molecules. We have preffered supplier status with top Pharma worldwide.
Our collaborators range from large, midsize, and small Pharma/Biotech, to academia, foundations and screening centers. The company operates multiple research and development (R&D) as well as business operations around the world.
| Why ChemDiv |
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| Why Scientists choose ChemDiv |
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Screening Compound Vendors: Why ChemDiv’s Unique Chemical Space Accelerates Discovery
Medicinal chemists, biotech procurement teams, and academic researchers all face the same challenge: finding the right partner that combines scale, quality, and science. The ideal provider delivers diverse libraries of drug-like compounds, fast logistics, custom chemistry, and data that plug cleanly into AI‑driven workflows. ChemDiv brings these elements together to shorten the path from hit to lead.
What matters when evaluating a vendor
• Library relevance and diversity: broad, non‑redundant chemical space with lead‑ and drug‑like profiles aligned to target classes and disease areas.
• Quality by design: rigorous med‑chem curation, PAINS and reactivity filtering, high purity, stability, and solubility controls to reduce false positives/negatives.
• Practical delivery: global supply, reliable plate maps, and flexible formats (96/384‑well; dry film or DMSO).
• Data/AI readiness: clean identifiers, structures, and metadata for seamless virtual screening, QSAR, and ML model training.
• Integrated support: from HTS to medicinal chemistry and ADME/DMPK, so hits can move forward without friction.
ChemDiv’s screening libraries
ChemDiv provides a comprehensive portfolio designed to maximize hit probability while minimizing redundancy:
• Diversity libraries: smartly sampled, 3D‑rich chemical space for first‑pass HTS.
• Target‑ and disease‑focused sets: GPCRs, kinases, ion channels, proteases, oncology, CNS, anti‑infectives, and more.
• Bioactive/annotated collections: approved drugs and known modulators for benchmarking, positive controls, and phenotypic deconvolution.
• Fragment and covalent libraries: low‑MW fragments and electrophile‑tuned sets for FBLD and chemoproteomics.
• Natural‑product‑inspired series: complexity and Fsp³ enrichment to access underexplored regions of chemical space.
• Virtual expansion space: an ultra‑large in‑silico catalog for AI‑prioritized make‑on‑demand chemistry, backed by rapid custom synthesis.
Quality and “screenability”
Every compound is selected for developability: drug‑like physicochemical ranges, absence of promiscuous motifs, and confirmed identity/purity. Libraries are periodically refreshed and can be delivered in your preferred layout, solvent, and concentration. Cherry‑pick individual compounds, order pre‑plated sets, or request bespoke subsets that balance diversity with your assay’s throughput and readout.
Custom synthesis and unique chemical space
When a promising scaffold falls outside the catalog, ChemDiv’s custom synthesis team can explore adjacent chemical space, design analog series, and scale from milligrams to multi‑grams. Experienced route scouting, parallel synthesis, and rapid SAR cycles help convert screening hits into tractable leads. This capability is what turns a static catalog into a dynamic discovery engine.
Integrated drug discovery services
ChemDiv operates as an end‑to‑end partner so you can consolidate vendors and maintain momentum:
• Computational design (CADD/AI): structure‑/ligand‑based design, docking, virtual screening, and ML‑guided prioritization.
• Medicinal chemistry: hit expansion, lead optimization, property tuning, IP‑sensitive scaffold design, and scalable synthesis.
• Biology & HTS: assay development, biochemical/cell‑based screening, and orthogonal confirmation.
• ADME/DMPK & safety: permeability, solubility, metabolic stability, plasma protein binding, PK profiling, and early liability flags.
• Preclinical enablement: process chemistry and CMC support to advance candidates toward IND‑enabling studies.
AI‑readiness by default
ChemDiv’s compounds and workflows are designed for computational use: standardized structures, clean metadata, and formats that drop into your cheminformatics stack. For AI teams, virtual libraries coupled with curated experimental data provide reliable training and active‑learning loops—so models propose compounds that ChemDiv can rapidly make and test.
Global access and dependable logistics
With international operations and a track record of supplying thousands of research groups, ChemDiv ships quickly and consistently. You get transparent timelines, responsive support, and documentation aligned to your quality system.
Get started
Explore the complete list of compound libraries at https://www.chemdiv.com/catalog/complete-list-of-compounds-libraries/ and our integrated drug discovery services at https://www.chemdiv.com/drug-discovery-services/. If you’re comparing screening compound vendors, talk to ChemDiv about a pilot set, a focused library for your target class, or a custom synthesis plan that expands your unique chemical space.
Our Select Partners
Collaboration with Academia
