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
Chemical Vendors: How to Choose a Reliable Supplier of Chemical Substances
In the modern world, chemical substances play an important role in various fields of science and industry. They are used in pharmaceuticals, agrochemistry, materials science, cosmetology, and many other fields. However, choosing a reliable supplier of chemical substances can be a challenging task. In this article, we will look at the main criteria for selecting chemical vendors and talk about ChemDiv — one of the leaders in the supply of chemical compounds.
Criteria for Selecting a Chemical Supplier
When choosing a chemical supplier, several key factors must be considered:
1. Product Quality. The supplier must guarantee the high quality of its products, compliance with all necessary standards and regulations. This is especially important in the pharmaceutical industry, where even minor deviations in composition can affect the effectiveness and safety of drugs.
2. Wide Range. A reliable supplier should offer a wide range of chemicals, including rare and specialized compounds. This will meet the needs of various industries and scientific research.
3. Logistics and Delivery. It is important that the supplier has a developed logistics network and can promptly deliver products to any part of the world. This is especially true for companies operating in different regions and countries.
4. Certification and Compliance with Standards. The supplier must have all the necessary certificates and licenses confirming the quality and safety of its products. This will ensure that the products meet international standards and requirements.
5. Technical Support and Consultations. A reliable supplier not only sells chemicals but also provides technical support and consultations to its customers. This helps customers choose the most suitable products and use them effectively.
6. Reputation and Experience. Finally, it is important to consider the supplier's reputation and experience in the market. Companies with many years of experience and positive customer feedback are usually more reliable partners.
ChemDiv: A Reliable Supplier of Chemical Compounds
ChemDiv is a company specializing in the supply of chemical compounds for various fields of science and industry. It offers a wide range of products, including:
Diverse Compound Libraries. These libraries include collections of small molecules that are used for high-throughput screening in drug discovery. ChemDiv provides access to a variety of compound libraries, each designed to meet specific research needs.
Custom Synthesis Services. ChemDiv offers custom synthesis services for the production of specific chemical compounds according to customer requirements. This service is particularly useful for researchers who need unique or hard-to-find compounds for their studies.
Medicinal Chemistry Services. The company provides a range of medicinal chemistry services, including lead optimization, structure-activity relationship (SAR) studies, and more. These services help researchers to develop and optimize drug candidates.
Bioassays. ChemDiv provides bioassay services to evaluate the biological activity of chemical compounds. This includes a variety of assays to determine the activity of compounds against specific targets or pathways.
Fragment-Based Screening. This service uses small molecular fragments to identify hits for drug discovery. It is a powerful tool for finding new leads and optimizing existing drug candidates.
Hit-to-Lead Services. ChemDiv offers hit-to-lead services to help researchers progress from initial hits to lead compounds. This includes optimization of potency, selectivity, and pharmacokinetic properties.
Additionally, ChemDiv's product range includes:
Natural Product-Inspired Libraries. These libraries are designed to mimic the structural diversity found in natural products, offering a rich source of bioactive compounds for drug discovery.
Screening Libraries. These are collections of diverse compounds specifically curated for high-throughput screening campaigns, helping researchers identify hits quickly and efficiently.
Focused Libraries. These libraries are tailored to specific therapeutic areas or biological targets, providing a targeted approach to drug discovery.
ChemDiv guarantees the high quality of its products and services, compliance with all necessary standards and regulations. The company has a developed logistics network and can promptly deliver products to any part of the world. In addition, ChemDiv provides technical support and consultations to its customers, helping them choose the most suitable products and use them effectively.
One of ChemDiv's advantages is its flexibility and ability to adapt to customer needs. The company can offer individual solutions for various projects and research, making it a reliable partner for scientific and industrial organizations.
In addition, ChemDiv is actively involved in scientific research and development. The company collaborates with leading scientific centers and universities, which allows it to keep up with the latest trends and achievements in the field of chemistry. This, in turn, enables ChemDiv to offer its customers the most modern and effective solutions.
If you are looking for a reliable supplier of chemical substances, ChemDiv is an excellent
